Summary
NASA grudgingly released some results Monday from an $11.3 million federal air safety study it previously withheld from the public over concerns it would upset travelers and hurt airline profits. The data reflects hundreds of cases where pilots flew too close to other planes, plunged from altitude or landed at airports without clearance.
NASA published the findings -- contained in 16,208 pages -- but did not provide a road map to understand them, making it cumbersome for any thorough analysis by outsiders. Released on New Year's Eve, the unprecedented research conducted over nearly four years relates to safety problems identified by some 25,000 commercial pilots and more than 4,000 private pilots interviewed by telephone.See the full content of this document
Extract
Pilots Survey Reports 1,266 Close Calls
The results from commercial pilots appeared to reflect in part at least 1,266 incidents in which aircraft flew within 500 feet of each other, generally considered a near miss; at least 1,312 cases where pilots suddenly dropped or cli...
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