Navigational Aids Systems (Navaids) and Safety Measures of Aircraft: An Analysis

By Hassan, Adegbayi M.; Akanni, C. O. et al. | The Indonesian Journal of Geography, December 2016 | Go to article overview

Navigational Aids Systems (Navaids) and Safety Measures of Aircraft: An Analysis


Hassan, Adegbayi M., Akanni, C. O., Osoba, Sunday E., The Indonesian Journal of Geography


1. Introduction

Aviation industry is the main industry that links Nigeria with the outside world thereby making it possible for Nigeria to be effectively integrated with the world economy and the opportunity to benefit from the economic, technological and socio-political development around the globe, hence air transport cannot be underestimated. However, Air safety is presently being threatened more than before due to recent incessant air crashes and accidents of aircrafts in Nigeria. Within a period of six years i.e 2000 to 2006, there occurred nineteen (19) aircrafta space of one year Aviation Safety Network/ASN [Aviation Safety Database, 2007]. Air crashes and incidents do occur at any stage of air navigation, but it is generally known in aviation industry that taking-offand landing of aircraftare the most critical stages, for instance, the Sosoliso Airline 5NBFD Accident of 10th December, 2005 occurred in the final phase of landing in Port-Harcourt, Nigeria with 108 fatalities Aviation Safety Network/ASN [Aviation Safety Database, 2007]. Furthermore, out of the nineteen (19) aircraftaccidents/incidents in Ni geria from 2000 to 2006 earlier mentioned eleven (11) occurred during the final phase of approach and landing Aviation Safety Network/ASN [Aviation Safety Database, 2007]. At the final phase, aircraftare expected to be fully established on NAVAIDS Approach i.e on instrument approach, making use of Instrument Landing System Navigational Aids to enhance safety and ensure safe landing.

Demuren [2006] pointed out that safety is the major pivot on which aviation activities revolve while Adesanya [2001] viewed accident occurrences in Nigeria as a major source of concern to air passengers. Air transport services are designed to meet the needs and tastes of customers which are not met until a passenger's journey or freight arrived safely. The concept of safe arrival according to Steward [1980] is not confined to merely avoidance of injury or damage but that passengers are not to be exhausted by sickness, fear, discomfort or frustration. In air transportation, safety of lives and properties is the utmost priority of aviation industry, in this regard, the International Civil Aviation Organisation (ICAO) have set a very high standards to be met by all operators in the industry, to ensure that high safety level is obtained. So also, the System concept according to Shaw [1993] emphasizes that obstruction in any part of the system affects its entirety, in other words, each sub-system is an integral part of the main system, functioning together for a desired output. Specific factors involved in air accidents occurrence have been grouped together through the process of their individual interaction as a system with a background understanding that a mistake or fault committed in either of the system interacting together is capable of giving an output called accident i.e. any malfunction of any of the subsystem affects the whole system of flight safety.

However, Bello [1996] linked some causes of air accidents especially in developing countries to technological restrictions and economic constraints, attributing air crashes and accidents to crews failure in several ways which include unstabilized approach to runway, uncontrolled flight into terrain and noncompliance with stated regulations among others. Slater (1998) opined that accident, age of aircraft, mechanical error, weather, maintenance, pilot error and air traffic control procedures are major factors for accident occurrence. In his study of the safety and security of Nigerian Airspace, Agboola [2001] emphasize that communication system should be improved upon as safety of airspace requires much exchange of data on flights to ascertain authorized flights from non-authorized flights. Sene [2004] pointed out that the safety of any flight is largely dependent on the security at the airport during takeoffor landing and stressed that a safe, efficient and regular air navigation system must be developed to the same status in order that air traffic load does not exceed either the airport or air navigation capacity. …

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