“This Web site contains responses collected from the air carrier and general aviation pilot surveys as part of the NASA National Aviation Operational Monitoring Service (NAOMS) project from April 2001 through December 2004. Relevant information is contained in the accompanying documentation. In the interest of timeliness, this first release is by nature conservative to ensure the responses do not contain confidential commercial information or information that could compromise the anonymity of individual pilots. Efforts will be made in 2008 to release additional NAOMS information that was redacted for this release.”
Executive Summary: “While the United States had many aviation safety data collection efforts, no program at that time provided decision-makers with statistically defensible estimates of the frequencies with which unwanted events occurred in the nations airspace. Nor was it known with acceptable levels of certainty whether the frequencies of such occurrences were following upward or downward trends. Similarly, the national capacity to measure the effects of aviation safety interventions and to uncover unwanted side effects from those interventions was limited. NAOMS was built to help remedy these aviation safety measurement deficiencies by providing data that are statistically meaningful and representative of the safety trends occurring within the national airspace, thus allowing the aviation safety community to perform improved, data-driven analysis.
The NAOMS concept involved the use of carefully designed and executed surveys to solicit information from the operators of the aviation system first, air carrier pilots, and then others, such as general aviation (GA) pilots. The information provided by these operator groups could be combined to provide a multifaceted picture of national aviation system safety in conjunction with other national aviation safety data sets. NAOMS surveys primarily asked participants about their experiences during flight operations as opposed to their opinions on aviation safety. Questions related to operational activity (risk exposure), unwanted events, and special topics, such as the effects of safety interventions.”
AP: “NASA begrudgingly 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. It published the findings in a format that made 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 29,000 pilots interviewed by telephone.”
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