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Air Traffic Control Upgrades Essay, Research Paper


It has been estimated that air traffic will duplicate within the following 10 old ages. Keeping our current accident rate, with dual the traffic, would mathematically take to twice every bit many accidents as we presently experience every twelvemonth. That chance is unacceptable ( UK and International Press ) . There has been obvious turning concern with our air space due to the anticipated expected growing in air traffic in the old ages to come. These concerns are non indefensible with engineering increasing at a ferocious gait and sophisticated equipment going more and more available. This paper will discourse what is presently being done to run into the demanding demands of future air travel. The chief focal point will be on the Wide Area Augmentation System ( WAAS ) in association to the construct of free flight, with regard to the Global Positioning System ( GPS ) , and Air Traffic Control ( ATC ) mechanization. The ATC mechanization part of this study will give specific attending to datalink applications, struggle investigation, and following coevals air power safety.

Wide Area Augmentation System ( WAAS )

The Federal Aviation Administration? s ( FAA ) WAAS is being developed as the following coevals air power pilotage system. It will supply en path coverage through Category I precision attack capablenesss by increasing the truth, handiness, and unity of signals from the U.S. Department of Defense? s Global Positioning System ( GPS ) satellites ( Raytheon 1998 ) . Class I precision attacks are a determination tallness of 200 pess and a track ocular scope of 2,400 pess ( 1,800 pess with touchdown and centerline lighting ) . Before the WAAS can be to the full understood, cognition of the GPS system must be addressed. The information provided on GPS will be brief and its intent is to supplement the apprehension of the WAAS. GPS is configuration of 24 orbiters that was declared operational in December 1993 and is used for pilotage and function intents by a broad assortment of industries, including air power ( Hughes 1999 ) . The GPS has three chief constituents: the 24 orbiters, the ground-based proctors, and the receiving systems. GPS offers two degrees of service, Standard Positioning Service, and Precise Positioning Service ( Flight Training 1998 ) . The latter of the two is available for military usage merely. The Jet Propulsion Laboratory ( JPL ) began to develop state-of? the-art GPS receiving systems, a package constituent for the most sophisticated and accurate GPS analysis package available, and an experimental constituent where field measurings were made and GPS informations were analyzed ( Lichten 1997 ) . Throughout the 1990? s JPL had been working on different ways to analyse the GPS informations with minimum clip. JPL realized that it would be possible to treat the information in existent clip if a few twelve data-link land sites could be established ( Lichten 1997 ) . This is the premiss for which the WAAS is based on, supplying real-time precise pilotage capablenesss to aircraft through the sweetening of GPS informations. The undermentioned graphical representation is the system the Federal Aviation Administration ( FAA ) is be aftering on utilizing for the WAAS.

The WAAS will ensue in betterments to the efficiency of the national air space system including direct path pilotage, reduced aircraft separation, increased air space capacity and important fuel nest eggs for air hose and lading industries ( Hughes 1999 ) . The

nest eggs to society envisioned from WAAS are on the side estimated to be more than $ 12B to air hoses and air power bureaus over the first 10 old ages, mostly due to fuel nest eggs ( more efficient pilotage with GPS ) and higher capacity in airdromes ( more accurate pilotage and efficient programming ) ( Lichten 1997 ) . The usage of these new engineerings in an incorporate planetary air traffic direction system would supply the same freedom to airspace users that is now being advocated as? free flight? ( Air Traffic Technology International, 1998, p. 115 ) . The term free flight has been interpreted in different ways. Some may comprehend free flight as complete freedom for a pilot to wing an aircraft anyplace, at any clip, and to be able to alter height, velocity and heading without necessitating to affect anyone else ( Air Traffic Technology International, 1998, p. 116 ) . A good definition would be the safe and efficient operational capableness under instrument flight regulations ( IFR ) , in which the operators have greater flexibleness in choosing the flight way and velocity of their aircraft in existent clip ( Heijl, ICAO Canada 1998 ) . Although the free flight system will no doubt hold a great affect every bit far as taking preferable paths and heights, the construct of a helter-skelter, unmanaged air space system is unrealistic. In the passage to the hereafter planetary air traffic direction system, safety must go on to be the first precedence, and the separation confidence provided by ATC will stay an indispensable component of the hereafter system ( Heijl, ICAO Canada 1998 ) . There are excessively many variables that can travel incorrect in a wholly? free flight? system of operation. Weather, last minute hit turning away, and track convergence are a few. The original program for the Phase One execution of the WAAS was scheduled for late 1998 ( Lichten 1997 ) . This has been delayed due to the chief contractor, Rayethon, could non complete the necessary package in clip. WAAS? s introduction will be delayed by 14 months. The plan has been plagued for the past several old ages by cost overproductions, the fire of the plan? s premier contractor ( JPL ) , and the uncertainnesss over the system? s security and congressional support ( Flying, April 1999 p. 27 )

The WAAS and free flight is the new moving ridge of air power. WAAS works by heightening the current GPS signal to be accurate plenty for pilotage from en path to Category I precision attacks. In simple footings, it will make this by rectifying atmospheric and other mistakes in the GPS signal and conveying that corrected signal back to the surface. Despite the hold, the new signal will be airing this summer, though its usage will be restricted to ocular flight regulations until phase one officially begins ( Flying, April 1999 p. 27 )

Air Traffic Control Automation

The aforesaid subjects would non be complete without adverting what is being done to better ATC. There are many betterments on the skyline for ATC. These betterments can non take topographic point without a gradual debut into the current system. The alteration has to be more evolutionary than a complete drastic conversion. The new systems must incorporate with the current systems to supply a smooth passage that will take to eventual all upgraded and modernised constituents. This study will concentrate on three specific facets of mechanization for ATC. They are datalink applications, struggle investigation, and following coevals air power safety.

Datalink Applications


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