NTSB Identification: FTW92FAMS1.
The docket is stored on NTSB microfiche number 45424.
Accident occurred Thursday, October 31, 1991 in MISSING
Probable Cause Approval Date: 04/13/1992
Aircraft: Grumman F9F-8T, registration: N24WJ
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE 1960 MANUFACTURED MILITARY TRAINER WAS CLIMBING THROUGH 25,300 FEET TO ITS CRUISING ALTITUDE OF 29,000 FEET WHEN RADAR CONTACT WAS LOST. A FOUR DAY AIR AND WATER SEARCH FAILED TO LOCATE THE AIRPLANE OR OCCUPANTS. THE PILOT HAD BEEN ISSUED A LETTER OF AUTHORIZATION TO FLY THE AIRPLANE IN VFR CONDITIONS ONLY. THE AIRPLANE WAS EQUIPPED FOR IMC FLIGHT, BUT IT DID NOT HAVE WEATHER RADAR INSTALLED. CONVECTIVE ACTIVITY (VIP LEVEL ONE THUNDERSTORMS) EXISTED IN THE VICINITY OF THE LAST KNOWN POSITION AND OVERCAST SKIES PREVAILED.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

UNDETERMINED.

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