Transportation Safety: Information Concerning Why a 1980 Aircraft Report Was Not Provided Earlier to the National Transportation Safety Board

Pursuant to a congressional request, GAO provided information on the reasons why a Boeing report entitled Center Wing Fuel Tank Heating Study (also referred to as the Panama Study) dated March 14, 1980, was not provided to the National Transportation Safety Board (NTSB) to aid in its investigation of the 1996 Trans World Airlines (TWA) flight 800 crash until June 1999.