Primarily in response to airline pressures for fuel economies, ICAO, the International Civil Aviation Organization, established a study program early in the 1980's to determine the feasibility of halving the vertical separation minimum (VSM) used above FL 290 to 1000 ft. The paper is the first of a 3-part article describing a European contribution to the program. After outlining the aims and organization of the experimental work it describes the choice of methodology available to measure height-keeping errors and gives an indication of the measurement accuracy achieved. Details of the data collections, the risk calculations performed and the factors found to affect height-keeping accuracy are given in Part II and III. Overall, the work has shown that whereas it would be feasible to introduce a 1000 ft VIM in the N. Atlantic region, other measures would be necessary before it could be used in continental airspace.
European Studies to Investigate the Feasibility of Using 1000 ft. Vertical Separation Minima above FL 290. Part 1. Overview of Organisation, Techniques Employed and Conclusions
1991
28 pages
Report
No indication
English
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