Flawed NASA survey worth a second look


By Paul Marks If you fly, you may have been disappointed on 31 December 2007 when NASA released 16,000 pages’ worth of survey data on flight safety. Despite spending $11 million on gathering the data, which involved questioning 500 US commercial pilots every month for four years, NASA administrator Michael Griffin says the results are unusable because the survey’s methodology was flawed. Conducted by the Battelle Memorial Institute in Santa Clara, California, the National Aviation Operational Monitoring Service (NAOMS) project interviewed pilots about safety issues such as the frequency of near misses,
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