ASN Wikibase Occurrence # 360767
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| Date: | Saturday 5 March 1994 |
| Time: | 12:00 LT |
| Type: |  Piper PA-23-180 |
| Owner/operator: | Proflight |
| Registration: | N2142P |
| MSN: | 23-737 |
| Total airframe hrs: | 4805 hours |
| Engine model: | LYCOMING IO-360-B1B |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fairfield, AZ -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Training |
| Departure airport: | Las Vegas, NV (L15) |
| (KSGU) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DURING THE ACCIDENT FLIGHT, THE CFI WAS IN THE FINAL PROCESS OF PREPARING THE SECOND PILOT TO TAKE HIS MULTIENGINE CFI CHECK RIDE. AFTER COMPLETING A TOUCH-AND-GO LANDING, THE AIRPLANE CLIMBED TO BETWEEN 200- AND 300-FEET AGL. THE CFI ATTEMPTED TO RETARD THE LEFT ENGINE'S THROTTLE, BUT ACCIDENTALLY RETARDED THE LEFT ENGINE'S PROPELLER CONTROL INTO THE FEATHER DETENT. THE CFI MANEUVERED THE AIRPLANE WHILE ATTEMPTING TO RESTART THE LEFT ENGINE. DURING THIS TIME, THE AIRCRAFT BY-PASSED SEVERAL SUITABLE LANDING SITES AND ENDED UP OVERFLYING HILLY TERRAIN AS THE AIRCRAFT CONTINUED A GRADUAL DESCENT. THE PILOT LOST CONTROL OF THE AIRPLANE AS THE AIRSPEED DECREASED; THE AIRCRAFT ROLLED TO THE LEFT AND COLLIDED WITH HILLY TERRAIN. THE LEFT ENGINE AND PROPELLER COMBINATION WAS REMOVED FROM THE AIRCRAFT AND INSTALLED IN AN ENGINE TEST CELL. THE ENGINE, PROPELLER, AND PROPELLER GOVERNOR WERE FOUND TO FUNCTION NORMALLY THROUGHOUT THEIR NORMAL OPERATING RANGES.
Probable Cause: THE FLIGHT INSTRUCTOR'S INADVERTENT MOVEMENT OF THE LEFT ENGINE PROPELLER CONTROL INTO THE FEATHER POSITION, HIS DECISION TO BY-PASS SUITABLE LANDING SITES IN AN ATTEMPT TO RESTART THE LEFT ENGINE AS THE AIRCRAFT ENERGY AND PERFORMANCE CAPABILITY DETERIORATED, HIS FAILURE TO MAINTAIN AN AIRPSEED AT OR ABOVE VMC, HIS FAILURE TO MAINTAIN CONTROL OF THE AIRCRAFT, AND HIS INADEQUATE SUPERVISION OF THE FLIGHT.
Accident investigation:
 |
|
Sources:
NTSB LAX94LA153
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 10:58 | ASN Update Bot | Added |
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