In addition in 1956 US airlines were experiencing four near crashes daily

In addition in 1956 us airlines were experiencing

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1950. In addition, in 1956, U.S airlines were experiencing four near- crashes daily (Doney.net). On 30th of June 1956, both flights departed Los Angeles under Instrument Flight Rules (IFR) and were assigned different altitudes: 21,000 feet for United 718, and 19,000 feet for TWA 2. As expected, when approached to the Great Canyon both aircraft entered in uncontrolled airspace. Shortly after, TWA 2 requested to climb “one thousand on top” to avoid weather. This clearance assumed cancelling IFR and continue under VFR rules, where pilots are responsible to maintain separation with traffic, terrain, and weather. While avoiding clouds, TWA 2 managed to climb to 21,000 feet, resulted levelling off the same altitude as United 718. According to the Civil Aeronautics Board's Accident Investigation Report, the separation was not the responsibility of the ATC as TWA 2 was flying VFR in uncontrolled airspace. The Salt Lake Traffic Controller did not advise either aircraft to change their altitude in which he knew about the information but failed to advise both aircraft. Development of Alternative Actions
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5 THE FEDERAL AVIATION ACT OF 1958 The improvement of the whole civil aviation system in the country could be gained via developing controlled airspace and training for operators involved. Solution 1: The lack of radar coverage was obvious and the new aviation agency had to consider installation of as many radars around the country as possible. All the congested areas and airways had to be equipped with radars and two-way communication. This solution would always keep aircraft under radar contact with an appropriate level of separation provided. Advantages : Safety would be improved significantly. As a result, the number of mid-air collisions would reduce to almost zero. Disadvantages: The main questions that would rise at that time would be the price. The FAA had to find financing to build up multiple radar facilities. On top of that, the whole process could take years to finish. At lastly, and as importantly, it would rocket the price of airline operations.
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  • Spring '12
  • davidlowe
  • Federal Aviation Administration

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