ASN Wikibase Occurrence # 359201
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| Date: | Saturday 25 March 1995 |
| Time: | 15:00 LT |
| Type: |  Hughes 369HS |
| Owner/operator: | Crystal Finger Corporation |
| Registration: | N3961H |
| MSN: | 520378S |
| Year of manufacture: | 1972 |
| Total airframe hrs: | 5020 hours |
| Engine model: | Allison250-C20 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Burnet, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Llano, TX (6R9) |
| (T27) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE CONDUCTING AN AIR TOUR FLIGHT AT AN AIR SHOW, THE PILOT FUELED THE TURBINE POWERED HELICOPTER WHICH NORMALLY USES JET 'A' FUEL. THE FACILITY WHERE HE WAS HAD ONLY 100LL AVIATION GASOLINE SO HE ADDED 15 GALLONS TO THE LESS THAN 10 GALLONS OF JET FUEL ON BOARD. TWENTY TWO MINUTES INTO THE FLIGHT, TO A FACILITY WHERE JET FUEL WAS AVAILABLE, THE HELICOPTER HAD A PARTIAL POWER LOSS AND THE PILOT PERFORMED AN AUTOROTATION WHICH TERMINATED IN A HARD LANDING. ACCORDING TO THE OPERATING MANUAL, JET FUEL AND AVIATION GASOLINE MAY BE MIXED; HOWEVER, WHEN THIS IS DONE THE FUEL BOOST PUMP MUST BE USED WHILE OPERATING. THE PILOT DID NOT HAVE THE FUEL BOOST PUMP ON.
Probable Cause: FAILURE BY THE PILOT-IN-COMMAND TO MAINTAIN ROTOR RPM DURING THE AUTOROTATION AND HIS DELAYED FLARE. A FACTOR WAS: THE PILOT'S FAILURE TO USE THE FUEL BOOST PUMP WHILE USING AVIATION GASOLINE VICE JET FUEL.
Accident investigation:
 |
|
Sources:
NTSB FTW95LA146
History of this aircraft
Other occurrences involving this aircraft
| 22 October 1989 | N3961H | Brainerd Helicopter Service | 0 | Ogilvie, MN | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 08:02 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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