Assessing the Effects of Family Structure on Student Academic Performance and Social Adjustment

ABSTRACT

This study investigates the effects of family structure on students’ academic performance and social adjustment in Lagos State secondary schools. The research was motivated by the growing concern over declining academic achievement and behavioural instability among adolescents, often linked to the type of family environment in which they are raised. A descriptive survey design was adopted, and data were collected through structured questionnaires distributed to students and teachers across selected public secondary schools in Lagos State. The findings revealed that family structure significantly influences students’ academic outcomes and social behaviour. Students from stable nuclear families tend to perform better academically and exhibit stronger social adjustment skills compared to those from single-parent or polygamous homes. The study further established that parental involvement, emotional support, and communication are critical factors contributing to students’ academic success and moral development. Based on these findings, the study recommends stronger parental engagement, establishment of functional counselling units in schools, and awareness campaigns to promote family stability. It concludes that while schools contribute significantly to student development, the family remains the fundamental unit shaping academic performance and social behaviour.

Runway incidents in Nigeria

Runway incidents in Nigeria

Date Airline / Aircraft (reg) Airport Runway Type of occurrence Source
09 Apr 2016 Aero Contractors B737-500 (5N-BLG) Lagos (Murtala Muhammed) Runway 18R Veered off runway on landing (runway excursion) Nigerian Safety Bureau
11 May 2024 XeJet / NG Eagle (Embraer ERJ-145, 5N-BZZ) Lagos (Murtala Muhammed) Runway 18L/36R (reported as 18L) Runway excursion / overrun after landing avherald.com
07 May 2023 Max Air B737 (5N-MBD) Abuja (Nnamdi Azikiwe) Runway 22 Aircraft lost tires on landing and disabled runway (airport shut) Nigeria Civil Aviation Authority
11 Dec 2024 Allied Air B737-400 (5N-JRT) Abuja (Nnamdi Azikiwe) (reported runway) Runway excursion — NSIB opened investigation Nigerian Safety Bureau
13 Jul 2025 Air Peace B737 (5N-BQQ) Port Harcourt (Port Harcourt Int’l) Runway 21 Runway excursion (touched down long, exited runway/clearway) — NSIB preliminary report Nigerian Safety Bureau
(example earlier fatal event) 10 Dec 2005 Sosoliso DC-9 (5N-BFD) Port Harcourt (final approach) Crash on approach / runway area (major accident) — historic (included for context) Wikipedia
  • Lagos (Murtala Muhammed) — runway-related incidents identified: 2 (Apr 2016 — 18R; May 2024 — 18L). Nigerian Safety Bureau

  • Abuja (Nnamdi Azikiwe) — runway-related incidents identified: 2 (May 2023 — Runway 22; Dec 2024 — Allied Air case). Abuja is a single-runway airport, so each runway-blocking event disrupted the entire airport. Nigeria Civil Aviation Authority

  • Port Harcourt — runway incidents identified (including major 2005 crash and more recent 2019/2025 excursions): 2–3 notable events across years (2005 Sosoliso crash; 2019 Air Peace excursion; 2025 Air Peace NSIB preliminary). Wikipedia+2Premium Times+2

Important notes & limitations

Influence Of ICT On Programme Production. A Study Of Nigeria Television Authority (NTA Enugu)

Abstract
This study aimed to provide a comprehensive analysis of the effects of digital transformation on broadcasting media production in Nigeria. It specifically examined the extent to which digitization has been adopted within the Nigerian Television Authority (NTA), Enugu, in the context of modern information and communication technologies (ICT) and internet-based operations. A survey research design was utilized, and a sample size of 150 respondents was determined using appropriate statistical procedures to reflect the study population. The survey method was selected as it facilitated the collection of public opinions through structured questionnaires. The collected data were organized and presented using tables and simple percentages for clarity. The study concluded with key findings, conclusions, and recommendations intended to guide future research in this area.

Project Topics on Igbo Religion, Philosophy, and Cultural Anthropology

Project Topics on Igbo Religion, Philosophy, and Cultural Anthropology

Igbo culture offers countless fascinating research opportunities for students and scholars interested in exploring one of West Africa’s most complex and enduring civilizations. From examining the intricate cosmological beliefs surrounding Chukwu (the Supreme Being) and the pantheon of lesser deities like Ala (earth goddess) and Amadioha (thunder god), to investigating how traditional philosophy concepts like “Omenaala” (customs and traditions) continue to shape modern Igbo identity, these research projects can bridge ancient wisdom with contemporary realities. Students might delve into the sophisticated governance systems of traditional Igbo communities, analyzing how age-grade societies and council of elders functioned as democratic institutions long before colonial contact, or explore the cultural significance of festivals like New Yam Festival and masquerade traditions in maintaining community cohesion. Other compelling topics include the role of oral literature and proverbs in transmitting philosophical knowledge, the intersection of traditional healing practices with spiritual beliefs, gender roles and women’s status in pre-colonial versus modern Igbo society, or how diaspora communities maintain cultural connections across continents. These studies not only preserve invaluable cultural heritage but also offer fresh perspectives on universal themes of community, spirituality, and human organization that resonate far beyond Igboland itself.

  1. The Concept of Chi in Igbo Religion: A Philosophical and Anthropological Analysis of Personal Destiny and Individual Identity

  2. Igbo Rituals of Birth, Marriage, and Death: A Cultural Anthropological Interpretation of Religious Philosophy

  3. The Role of Ancestral Veneration (Ndi Ichie) in Igbo Religious Thought and Social Structure

  4. The Philosophical Meaning of Sacrifice (Igo Mmuo) in Igbo Traditional Religion: A Study in Symbolism and Communal Ethics

  5. The Concept of Ọfọ na Ogu in Igbo Religion: A Philosophical Examination of Justice and Moral Order

  6. Igbo Cosmology and the Structure of the Universe: A Cultural and Philosophical Appraisal of the Spiritual World

  7. Divination (Afa) and Traditional Epistemology in Igbo Religion: A Philosophical and Anthropological Study

  8. The Role of the Dibia (Traditional Priest-Healer) in Igbo Religion: Religious Authority, Knowledge, and Cultural Significance

  9. The Place of Women in Igbo Traditional Religion: A Cultural Anthropological and Philosophical Inquiry

  10. The Impact of Igbo Religion on Community Ethics: A Study of Communal Life, Taboo, and Moral Philosophy

  11. The Interplay between Christianity and Igbo Traditional Religion: A Philosophical Analysis of Religious Syncretism

  12. The Sacred Forest and Religious Space in Igbo Culture: A Philosophical and Anthropological Exploration

  13. The Role of Oral Tradition in the Transmission of Religious Philosophy in Igbo Society

  14. The Concept of Reincarnation (Ilo-uwa) in Igbo Religion: A Philosophical Perspective on the Cycle of Life and Identity

  15. Igbo Funeral Rites and the Philosophy of Afterlife: A Cultural Anthropological Perspective

  16. The Use of Proverbs (Ilu Igbo) in Communicating Religious Wisdom and Ethical Values in Igbo Traditional Society

  17. The Ontology of Spirits (Mmuo) in Igbo Religious Belief: A Study in Metaphysics and Cultural Practice

  18. Taboo (Nso Ani) in Igbo Traditional Religion: A Philosophical Study of Sacred Prohibition and Social Harmony

  19. The Role of the Eze (King) and Sacred Kingship in Igbo Religion: Cultural Authority and Religious Legitimacy

  20. The Symbolism of Ikenga in Igbo Religion: A Study in Personal Agency and Religious Philosophy

The Heart-Wrenching Reality of Leaving Home: What “We Need New Names” Teaches Us About Migration

The Heart-Wrenching Reality of Leaving Home: What “We Need New Names” Teaches Us About Migration

When I first read NoViolet Bulawayo’s “We Need New Names,” I couldn’t shake the feeling that I was reading someone’s diary—raw, honest, and painfully real. Here was Darling, this spirited kid from Zimbabwe, living in a place called Paradise (which, ironically, was anything but paradise), and then suddenly finding herself in America, completely lost between two worlds that both felt foreign to her.

The book hit me hard because it captures something we don’t talk about enough: what migration actually does to your head and your heart. Not the sanitized version we see in movies, but the messy, complicated reality of what happens when you’re forced to rebuild yourself from scratch in a place that doesn’t quite get you.

When You Don’t Know Who You Are Anymore

Let’s be honest—most of us have never had to question our entire identity. We wake up, we know our name, we know where we belong, we speak our language without thinking about it. But Darling? She gets to America and suddenly everything she thought she knew about herself gets turned upside down.

Back in Paradise, despite all the chaos and poverty, Darling knew exactly who she was. She was part of a crew—Bastard, Chipo, Godknows, Sbho—and they had their own world, their own rules, their own way of making sense of things. They were poor, sure, but they were them. They belonged somewhere, even if that somewhere was falling apart.

Then America happens. And slowly, bit by bit, Darling starts losing pieces of herself. Her accent changes first—you know how that happens when you’re desperate to fit in. Then her way of thinking shifts. She starts seeing her old life through American eyes, and suddenly Paradise doesn’t look the same anymore. Her friends back home start feeling like strangers.

This isn’t just about adapting to a new place. This is about your entire sense of self getting scrambled. Psychologists have fancy terms for it—”cultural dissonance” and “acculturation stress”—but really, it’s just the devastating experience of not knowing who you are anymore. You’re not quite American, but you’re not quite Zimbabwean either. You’re stuck in this weird limbo, and it’s lonely as hell.

I remember reading about Darling’s Skype calls with her friends and feeling my heart break. Here she is, trying to connect with the people who used to know her better than anyone, and she can’t. She’s changed too much. They look at her and see someone who’s become foreign. She looks at them and realizes she can’t relate to their problems anymore. It’s like watching someone grieve their own identity while they’re still alive.

The Weight of Leaving Everyone Behind

Here’s something that really gets to me about migration stories: the guilt. Darling makes it to America, right? She gets opportunities her friends back home can only dream of. She should be grateful, happy, celebrating. Instead, she’s carrying around this crushing weight of survivor’s guilt.

Every time she sees her friends on that computer screen, she’s reminded that she escaped and they didn’t. She’s safe while they’re still dealing with the same problems. She has food while they’re still struggling. She has a future while theirs remains uncertain. How do you live with that?

The book shows us that migration isn’t just about the person who leaves—it’s about everyone who gets left behind. Those relationships don’t just pause; they start dying. Not because anyone wants them to, but because the person who left is becoming someone else, someone their friends and family don’t recognize anymore.

Darling’s memories of home start getting fuzzy and romanticized. That’s what happens when you’re dealing with loss—your brain tries to protect you by making the past seem better than it was. But this creates its own problems because now she’s not just disconnected from her current reality; she’s disconnected from her actual past too. She’s living in this bubble of nostalgia that makes it even harder to figure out where she belongs.

When Your Language Betrays You

One of the most heartbreaking parts of the book is watching Darling lose her language. Not just her ability to speak it, but her connection to it. Language isn’t just words—it’s how we think, how we understand the world, how we connect with people who share our experiences.

When Darling starts speaking with an American accent, she’s not just changing how she sounds. She’s changing how she thinks. The rhythm of her thoughts starts following American patterns. The way she understands relationships, time, humor, even love—it all starts shifting to match her new language.

This hits different when you realize that language carries culture inside it. When you lose your native way of speaking, you lose access to ways of understanding the world that only exist in that language. Certain jokes don’t translate. Certain emotions don’t have English words. Certain ways of showing love or respect get lost.

By the end of the book, Darling can barely communicate with her own people in the way she used to. It’s not that she’s forgotten the words—it’s that she’s forgotten how to be in that language. She’s lost the cultural knowledge that makes the language alive and meaningful.

Family Dynamics Gone Wrong

Migration doesn’t just mess with individuals—it destroys family systems too. Look at Darling and her Aunt Fostalina. Here’s a woman who’s been in America longer, who’s supposed to be the guide, the one who helps Darling navigate this new world. But the truth is, everyone’s migration experience is different. What worked for Fostalina might not work for Darling.

This creates this weird dynamic where the older generation can’t really mentor the younger one because the world keeps changing. The advice doesn’t translate. The strategies don’t work the same way. Each person has to figure out their own way of being an immigrant, which means each person has to figure out their own way of managing the psychological fallout.

And then there’s the different ways family members experience migration. Some people come for opportunities, some come as refugees, some come for family reunification. Some are excited, some are traumatized, some are just trying to survive. All of these different experiences create different psychological needs, but families often don’t know how to support each other through such different challenges.

Darling’s relationship with her mother gets complicated by distance and change. Her mother sees her daughter getting opportunities she never had, which should be good, right? But she also sees her daughter becoming someone she doesn’t recognize, someone who might not need her anymore. That’s terrifying for a parent.

The Myth of Going Back

Here’s something that really messed me up about this book: the realization that you can’t really go home again. Not because home doesn’t exist anymore (though sometimes that’s true too), but because you don’t exist anymore. The person who left is gone, replaced by someone who’s been fundamentally changed by the experience of living elsewhere.

Those Skype conversations Darling has with her friends aren’t just awkward because of the distance—they’re awkward because she’s literally not the same person who left. She can’t relate to their concerns anymore. She can’t understand why they’re worried about things that seem small to her now. She can’t fake caring about gossip that used to be the center of her world.

And her friends? They see right through her attempts to connect. They know she’s changed. They know she’s become American in ways that matter. They’re not wrong to feel like she’s abandoned them, because in a very real sense, she has. Not intentionally, not maliciously, but inevitably.

This creates what I think of as existential homelessness. You don’t belong in your new country because you’re foreign. You don’t belong in your old country because you’ve become foreign there too. You’re floating between worlds, fully accepted by neither.

The Community You Lose vs. The Community You Can’t Find

In Paradise, Darling had something that’s actually pretty rare: a tight-knit community where everyone knew everyone, where your problems were everyone’s problems, where you were never really alone even when you were struggling. That kind of community support is psychologically huge. It’s what gets people through trauma, poverty, uncertainty.

In America, that community structure doesn’t exist for her. American culture is more individualistic, which has its benefits but also means you’re more on your own. Making friends is different. Building trust is different. The social safety net is different.

Darling struggles to create meaningful connections in America partly because she’s an outsider, but also because the whole approach to relationships is different. The depth of connection she had with her friends in Paradise came from shared struggle, shared culture, shared understanding of how the world works. In America, she has to build relationships from scratch with people who don’t share any of that background.

The book shows us that this isn’t just about making friends—it’s about finding people who can hold space for your full self, including the parts of you that are foreign, confusing, or painful. That’s incredibly hard to find, especially when you’re still figuring out who your full self even is.

Growing Up Female Between Cultures

Being a young woman navigating migration adds another layer of complexity that Bulawayo handles really well. Darling is coming of age while moving between cultures that have very different ideas about what it means to be female, what opportunities are available to women, what’s expected of them.

In Zimbabwe, she had certain expectations about her future, her role, her possibilities. In America, she’s exposed to completely different ideas about what she can be and do. This is exciting but also psychologically overwhelming. She has to figure out not just who she is, but who she wants to be when the options have suddenly expanded dramatically.

This is complicated by the fact that her family and community back home are watching her transformation through a gendered lens. Her adoption of American culture might be seen as rebellion, abandonment of values, or forgetting where she came from. The pressure to represent her culture well while also taking advantage of her new opportunities creates this impossible balancing act.

Money Can’t Buy You Belonging

One thing that really struck me about the book is how it shows that economic improvement doesn’t automatically equal psychological well-being. Darling’s material circumstances are definitely better in America. She has food, safety, educational opportunities. But she’s also more isolated, confused, and disconnected than she ever was in Paradise.

This challenges the narrative we often hear about immigration success. We measure success by economic indicators—did you get a good job, did you buy a house, did you achieve the American Dream? But the book shows us that you can check all those boxes and still feel like you’re dying inside because you’ve lost your sense of self and belonging.

The pressure to be grateful for these opportunities makes it even harder to acknowledge the psychological costs. Darling is supposed to be happy, supposed to be grateful, supposed to be thriving. Admitting that she’s struggling feels like betraying everyone who sacrificed to get her there.

Technology: Connection or Torture?

The way Bulawayo writes about technology in the book is brilliant because it captures something really specific about modern migration. Darling can see and talk to her friends back home anytime she wants. Previous generations of migrants had to deal with complete disconnection—letters that took weeks, phone calls that cost a fortune, years between visits.

But does this constant connection make things better or worse? The book suggests it might actually make things worse in some ways. Every Skype call is a reminder of how much Darling has changed, how much distance has grown between her and her friends. She can see them but can’t reach them. She can talk to them but can’t really communicate with them.

It’s like being haunted by your own past self. The technology keeps her connected to who she used to be, but it also makes it impossible to forget or move on. She’s stuck in this constant state of comparison and loss.

What This Means for All of Us

Reading “We Need New Names” made me think about how little we understand about what migration actually does to people psychologically. We talk about immigrants in terms of policies, economics, statistics. But we rarely talk about the profound identity crisis that comes with leaving everything you know and trying to rebuild yourself somewhere else.

The book shows us that successful migration isn’t just about learning English or getting a job. It’s about somehow integrating multiple versions of yourself into something coherent. It’s about finding ways to honor your past while building your future. It’s about maintaining connections that matter while accepting that some things will inevitably be lost.

Most importantly, it shows us that there’s no “right” way to be an immigrant. Darling’s struggles aren’t signs of failure—they’re normal responses to an abnormal situation. The psychological work of migration is ongoing, complex, and deeply personal.

The Gifts and Costs of Leaving

What I love about Bulawayo’s approach is that she doesn’t present migration as either purely positive or purely negative. It’s both. Darling gains opportunities, perspectives, and possibilities she never would have had in Zimbabwe. But she also loses community, identity, and connections that can never be fully replaced.

The book suggests that maybe the goal isn’t to choose between these two realities but to find ways to hold both. Maybe successful migration means learning to carry your losses alongside your gains, to honor what you’ve left behind while embracing what you’ve found.

Darling’s story doesn’t end with her fully integrated into American society or with her returning to Zimbabwe. It ends with her still figuring it out, still navigating the complex reality of living between worlds. And maybe that’s the most honest ending possible, because the psychological work of migration isn’t something you complete—it’s something you live with.

In a world where more people are migrating than ever before, “We Need New Names” offers crucial insights into what we’re really asking of people when we expect them to successfully integrate into new societies. It’s not just about learning new skills or following new rules—it’s about reconstructing your entire sense of self while grieving the person you used to be.

The book reminds us that behind every immigration statistic is a human being dealing with profound psychological challenges that most of us can’t imagine. It asks us to consider not just whether immigrants are contributing to their new societies, but whether those societies are creating space for the full complexity of the immigrant experience.

Most importantly, it shows us that the immigrant experience isn’t just about immigrants—it’s about what it means to be human in a world where belonging is increasingly complicated, where home is increasingly fluid, and where identity is increasingly something we have to actively construct rather than passively inherit.

Darling’s story is ultimately a story about resilience, about the human capacity to adapt and survive even when everything familiar is stripped away. But it’s also a story about loss, about the things we sacrifice when we’re forced to choose between survival and belonging. It’s a story that asks us to see migration not as a policy issue or an economic phenomenon, but as one of the most profound human experiences possible—the experience of leaving everything you know in search of something better, and discovering that “better” is far more complicated than you ever imagined.

 

Assessing the Impact of Airline Deregulation on the Growth and Performance of Nigeria’s Aviation Industry

  • Survival Analysis of Airlines

    • Given the high failure rate (53%), you could conduct a Kaplan-Meier survival analysis to examine the lifespan of airlines in Nigeria.
    • Variables needed: Year of establishment, year of closure (if applicable), and operational status (active/inactive).
  • Regression Analysis on Airfare Reduction & Passenger Growth

    • A linear regression could assess the relationship between airfare reductions (independent variable) and passenger traffic growth (dependent variable).
    • Hypothesis: Lower fares significantly increase passenger numbers.
    • Data needed: Yearly airfare prices and corresponding passenger traffic.
  • ANOVA for Flight Delays & Economic Losses

    • One-way ANOVA could determine if there are significant differences in flight delay times across different airlines.
    • Dependent variable: Average flight delay time per airline.
    • Independent variable: Airline group (e.g., domestic vs. international, low-cost vs. full-service).
  • Correlation Between Airline Failures & Economic Factors

    • A Pearson correlation could test whether factors like fuel costs, GDP growth, or currency exchange rates are linked to airline failures.
    • Data needed: Historical airline failures, aviation fuel prices, and macroeconomic indicators.

Design and Automation of Online Examination and Evaluation System

Computers are widely recognized for their diverse applications, particularly in scientific and mathematical domains. However, limited attention has been given to developing a comprehensive and efficient online examination system within this context. This gap highlights the necessity of designing and implementing an online examination and evaluation system. At present, online examination systems play a crucial role in higher education institutions worldwide, as traditional manual examination processes are associated with numerous challenges. These issues can be effectively addressed by leveraging Information and Communication Technology (ICT) to improve the administration and management of examinations within academic institutions.

The implementation of an online examination system will greatly benefit both the institution and the students. It will provide students with a more convenient and efficient way to take assessments while ensuring instant result generation with complete accuracy and security. This research project aims to assist university examination boards in organizing, conducting, and managing examinations in a more reliable, fast, and sustainable manner compared to conventional manual methods.

Traditional examination systems present several challenges, including delays in result processing, time-consuming question paper creation, difficulties in verifying correct and incorrect answers, and the high risk of data loss. Additionally, retrieving records in a manual system is often slow and cumbersome. The primary objective of this project is to develop an online examination system that allows students to take tests and instantly access their results. A key advantage of this system is its ability to enable students to sit for examinations remotely while receiving immediate feedback. This feature helps eliminate concerns about unfair grading, a common issue in traditional examination methods.

A Critical Examination of Weather Factors Posing a Threat to Air Transport Operations in Nigeria

IMPACT OF VISIBILITY LIMITING WEATHER ELEMENTS ON FLIGHT OPERATIONS IN NIGERIA AIRPORTS

INTRODUCTION

As social beings, humans constantly require resources and encounter limitations in accessing them. Transportation serves as a crucial means to overcome spatial constraints in fulfilling these needs. Fortunately, it provides an effective solution (Taaffe, Morrill, & Gould, 1985). Transportation is an essential activity, facilitating the movement of people, goods, and information across locations. Historically, societies have regarded it as a fundamental pillar of development (Rodrigue & Claude, 2013). Without transportation, human activities would be severely restricted. Its core purpose is to enable the transfer of passengers, cargo, or data from one location to another while simultaneously adding value to them (Rodrigue & Claude, 2013). In essence, transportation is not an end in itself but a means to serve broader economic and social functions (Taaffe, Morrill, & Gould, 1985).

Rodrigue (2017) defines transportability as the ease with which passengers, freight, or information can move between locations. This is influenced by transportation costs and the characteristics of the goods being transported, such as fragility, perishability, and value. Additionally, legal restrictions, tariffs, and border regulations also impact transportability. When transportability is high, distance becomes less of a barrier (Harrington, 1999). Without transportation, the development of nations, regions, and global economies would face significant challenges, as it plays a crucial role in physical and economic growth (Oyesiku, 2002).

Industries that rely on rapid delivery, such as those dealing with perishable goods like fish, tomatoes, and vegetables, depend on efficient transportation networks. It also facilitates market expansion by enabling the distribution of goods to new locations, fostering economic growth. The advancement of transportation technology has enhanced time utility, ensuring the swift movement of products.

Currently, transportation is categorized into three main types: land (road and rail), water, and air transport (Rodrigue & Claude, 2013). Road transport involves the movement of goods and people over highways and streets. It requires less capital investment compared to rail or air transport (Rodrigue & Claude, 2013). Additionally, road transport offers door-to-door services and is ideal for short-distance travel due to its flexibility. However, it may not be suitable for long distances or bulk cargo due to irregularities, potential breakdowns, and lack of a structured organization, making it less reliable.

Rail transport, on the other hand, utilizes wheeled carriages on rail tracks for the movement of people and goods. It plays a pivotal role in international trade and economic growth (Truu, n.d.). Compared to road transport, railways are faster and less affected by adverse weather conditions such as rain and fog. Rail transport is cost-effective, reliable, and provides protection against environmental elements like sun, wind, and dust, making it ideal for heavy and bulky goods (Taaffe, Morrill, & Gould, 1985). However, government monopoly and the lack of door-to-door service remain significant drawbacks.

Water transport involves moving people and goods across seas, rivers, and other water bodies. Primarily used for non-perishable cargo, it serves commercial, recreational, and military purposes (Black, 2003). Its key advantages include the ability to transport large and heavy goods at a relatively low cost since water bodies exist naturally and require minimal infrastructure investment. However, its slow speed makes it less suitable for time-sensitive transportation. Moreover, changing river courses can lead to delays and rerouting, making it less favorable for small businesses (Kaukiainen, 2012).

Air transport is the fastest mode of transportation (Black, 2003). It is particularly advantageous for long-distance travel due to its speed and convenience. Other benefits include its strategic significance, independence from geographical barriers such as mountains and rivers, and its use in agricultural applications, including aerial pesticide spraying. It is also vital for emergency response during natural disasters such as floods and earthquakes (Zubova & Moshtagh, 2018). However, air transport is costly, vulnerable to risks such as hijacking and accidents, and heavily dependent on weather conditions. This study focuses on how adverse weather conditions affecting visibility impact flight operations.

According to Grant (2007), the history of aviation spans over 200 years, dating back to the Montgolfier brothers’ hot-air balloon. Among all transport modes, aviation was the first to strive for complete all-weather functionality (Sasse & Hauf, 2003). Given its reliance on clear atmospheric conditions, visibility plays a critical role in aviation and should not be underestimated. Nevertheless, commercial air travel remains one of the safest transportation options due to the industry’s swift response to accidents and continuous safety improvements (Herrera & Vasigh, 2009).

Since aviation is conducted in an open environment, weather significantly impacts flight operations (Sasse & Hauf, 2003). Weather conditions affect not only the safety but also the overall efficiency of airline operations. Various airport activities, such as aircraft fueling, maintenance, baggage handling, and catering, depend on favorable weather conditions (Markovic, Hauf, Röhner, & Spehr, 2008). Adverse weather can reduce airport operational capacity, leading to flight delays, diversions, or cancellations (Sasse & Hauf, 2003).

Aircraft operate within the Earth’s atmosphere, which extends approximately 100 km above mean sea level (MSL). The atmosphere comprises gases such as nitrogen, oxygen, argon, carbon dioxide, and trace elements like ozone and water vapor (Aremu, 2020). Several atmospheric factors, including temperature, pressure, humidity, wind speed, and cloud cover, influence flight visibility (Oliver, 1997). Weather-related disruptions in aviation include thunderstorms, haze, precipitation, and strong winds. According to Kulesa, Brodus, Jackson, & Pelton (2013), weather accounts for approximately 70% of all flight delays and 23% of aviation accidents. Notably, the same weather phenomenon may impact flights differently depending on the time and location of operation, meaning that one flight may be affected while another, taking off just minutes later, remains unaffected.

Regardless of the transportation mode—land, water, or air—visibility remains a crucial factor. Hughes (1982) identifies visibility as the most significant weather parameter influencing aviation operations. Visibility, in general terms, refers to the ability to clearly perceive an object from a given distance. When visibility is reduced, the classification is as follows:

  1. Haze – visibility exceeding one kilometer.
  2. Thick mist – visibility around one kilometer.
  3. Fog – visibility of less than one kilometer.

Aremu (2020) defines visibility as the clarity of the atmosphere, which determines how far an object can be seen without obstruction. Visibility varies based on factors such as the observer’s height, the presence of airborne particles, and the time of day. The Glossary of Meteorology (2009) describes visibility as the distance at which an object can be distinctly observed. This measurement is crucial in surface meteorological observations and Meteorological Aerodrome Reports (METAR), where it is recorded in meters. Meteorological visibility indicates air transparency, and in aeronautical terms, it refers to the maximum distance at which a black object of defined dimensions can be seen against a bright background (Seinfeld, Pandis, & Spyros, 2006). Additionally, visibility is measured by the optimal distance at which a light source of 1000 candelas can be identified against a dark background (Seinfeld et al., 2006).

Impact of Limited Runwway on Flight Efficiency in Murtala Muhammed International Airport Lagos State

ABSTRACT
This study investigates the effect of restricted runway capacity on flight efficiency at Nnamdi Azikiwe International Airport in Abuja, Nigeria. Utilizing a survey approach, the research design served as a framework for collecting and analyzing information on the complex interplay between runway limitations and flight operations. The target population included all 1,237 airport staff across various departments, including Administration, Finance, Personnel, Maintenance/Repairs, Control/Monitoring, and Ticketing. A proportional sampling technique was applied to derive a representative sample size of 387 respondents. The research instrument, a modified Likert scale questionnaire, was validated through face and content validity assessment and achieved a reliability coefficient of 0.72 using Pearson Product Moment Correlation analysis. Data collection involved administering the questionnaire to selected employees with structured guidance to ensure accuracy. Descriptive statistics, t-tests, and Pearson Product Moment Correlation analysis were utilized to address research questions and test hypotheses. The findings revealed significant effects of limited runway capacity on flight arrivals, take-off schedules, and boarding processes. These results highlight the pressing need for infrastructural improvements, resource allocation strategies, stakeholder collaboration, and technological advancements to enhance runway management and operational efficiency. The study calls for strategic measures to mitigate runway constraints, ensuring a seamless balance between airport capacity and the evolving demands of contemporary air travel.

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Runway Excursion: Causes and Prevention Among Aviation Companies In Developing Countries

Runway Excursion: Causes and Prevention

A runway excursion is a critical aviation safety incident where an aircraft veers off or overruns the runway surface during takeoff or landing. This type of incident can lead to significant damage to the aircraft, injuries to passengers and crew, and, in severe cases, fatalities. Runway excursions are among the most common types of aviation accidents and are a major focus of safety programs worldwide.

What is a Runway Excursion?

A runway excursion occurs when an aircraft departs the runway surface, either laterally (sideways) or longitudinally (overrunning the end of the runway). These incidents can happen during:

  • Takeoff: When the aircraft fails to become airborne or aborts the takeoff and overruns the runway.
  • Landing: When the aircraft touches down but is unable to stop within the available runway length.

Runway excursions are categorized into two types:

  1. Overrun: The aircraft exits the runway beyond the threshold, typically at the end of the runway.
  2. Veer-off: The aircraft exits the runway laterally, either to the left or right side.

Causes of Runway Excursions

Runway excursions are often the result of a combination of factors, including environmental conditions, operational errors, and technical issues. The primary causes include:

  1. Weather Conditions:
    • Wet or Contaminated Runways: Water, snow, ice, or slush on the runway can reduce braking effectiveness and cause hydroplaning, making it difficult for the aircraft to stop.
    • Crosswinds: Strong or gusty crosswinds can make it challenging for pilots to maintain directional control during takeoff or landing.
    • Poor Visibility: Fog, rain, or low visibility can impair the pilot’s ability to judge distances and align the aircraft correctly.
  2. Pilot Error:
    • Misjudgment of Landing Speed or Distance: Pilots may misjudge the approach speed or touchdown point, leading to a long landing and insufficient runway remaining to stop.
    • Delayed Go-Around Decision: Failing to execute a timely go-around when conditions are unsafe can result in a runway overrun.
    • Improper Use of Brakes or Thrust Reversers: Inefficient use of braking systems or thrust reversers can reduce deceleration effectiveness.
  3. Technical Malfunctions:
    • Brake Failure: Malfunctioning brakes or anti-skid systems can prevent the aircraft from decelerating properly.
    • Tire Blowouts: A blown tire during landing or takeoff can cause loss of control and lead to a veer-off.
    • Engine Failure: Engine issues during takeoff or landing can reduce the aircraft’s ability to accelerate or decelerate as needed.
  4. Runway Conditions:
    • Short Runways: Airports with shorter runways may not provide sufficient stopping distance, especially for larger aircraft.
    • Runway Surface Defects: Cracks, potholes, or uneven surfaces can affect braking performance and directional control.
  5. Operational Factors:
    • Overloaded Aircraft: Exceeding the aircraft’s maximum weight limits can increase the required takeoff or landing distance.
    • Incorrect Configuration: Failure to properly configure the aircraft (e.g., flaps, slats, or spoilers) for landing or takeoff can impact performance.

Preventing Runway Excursions

To mitigate the risk of runway excursions, the aviation industry has implemented several safety measures:

  • Runway Safety Areas (RSAs): These are cleared and graded areas at the end of runways designed to reduce damage in the event of an overrun.
  • Improved Runway Surfaces: Regular maintenance and grooving of runways to enhance drainage and reduce the risk of hydroplaning.
  • Pilot Training: Enhanced training programs focus on crosswind techniques, go-around procedures, and landing performance calculations.
  • Advanced Technology: Systems like Runway Overrun Prevention (ROP) and Enhanced Ground Proximity Warning Systems (EGPWS) provide pilots with real-time alerts and guidance.
  • Weather Monitoring: Accurate and timely weather information helps pilots and air traffic controllers make informed decisions.