ASN Wikibase Occurrence # 309844
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| Date: | Thursday 13 August 1992 |
| Time: | 09:30 LT |
| Type: | BEECHCRAFT 76 DUCHESS |
| Owner/operator: | John F. Mannix |
| Registration: | N67052 |
| MSN: | ME-296 |
| Total airframe hrs: | 2020 hours |
| Engine model: | Lycoming O-360-A16G6D |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Atlantic Ocean off Nantucket, MA -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Nantucket, MA (ACK |
| Hyannis, MA (KHYN) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT WAS CRUISING AT 2500 FEET, WHEN THE LEFT ENGINE QUIT, FOLLOWED SHORTLY BY THE RIGHT ENGINE. HE MADE A QUICK, UNSUCCESSFUL ATTEMPT TO RESTART THE ENGINES AND THEN CONCENTRATED ON EXECUTING A FORCED LANDING IN THE OCEAN. THE AIRPLANE WAS RECOVERED, AND AFTER REPLACING THE SALT WATER DAMAGED MAGNETOS AND FUEL PUMP, THE LEFT ENGINE WAS RUN FROM IDLE TO FULL POWER USING FUEL THAT WAS IN THE TANK. THE PILOT SAID THAT HE DID NOT USE CARBURETOR HEAT DURING THE FLIGHT. THE TEMPERATURE/DEW POINT WAS 66/59 DEGREES F. THE FAA CHART FOR CARBURETOR ICING PROBABILITY SHOWNS A MODERATE CHANCE OF ICING AT CRUISE POWER FOR THIS TEMPERATURE/DEW POINT COMBINATION.
Probable Cause: THE PILOT'S FAILURE TO USE CARBURETOR HEAT, RESULTING IN CARBURETOR ICE AND LOSS OF ENGINE POWER AND SUBSEQUENT FORCED LANDING IN THE OCEAN.
Accident investigation:
 |
|
Sources:
NTSB NYC92LA178
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Mar-2023 15:00 | IJC64 | Added |
| 10-Apr-2024 18:41 | ASN Update Bot | Updated [Time, Aircraft type, Operator, Total occupants, Other fatalities, Nature, Departure airport, Destination airport, Source, Damage, Narrative, Accident report] |
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