ASN Wikibase Occurrence # 359727
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| Date: | Thursday 29 September 1994 |
| Time: | 21:50 LT |
| Type: |  Piper PA-23-160 |
| Owner/operator: | Superstition Air Service |
| Registration: | N5272A |
| MSN: | 23-2109 |
| Total airframe hrs: | 5692 hours |
| Engine model: | LYCOMING O-320-B3B |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | West Chicago, IL -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | St Louis, MO (KSUS) |
| (KDPA) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT REPORTED THAT THE LEFT ENGINE LOST POWER DURING DESCENT. AFTER SEVERAL UNSUCCESSFUL ATTEMPTS TO RESTORE ENGINE POWER THE PILOT CLOSED THE THROTTLE AND FEATHERED THE LEFT PROPELLER. HE SAID HE LOWERED THE LANDING GEAR HANDLE AND OBTAINED SAFE GEAR INDICATIONS DURING THE SINGLE ENGINE APPROACH, BUT DID NOT USE THE EMERGENCY HYDRAULIC PUMP. DURING THE LANDING, THE NOSE GEAR COLLAPSED. INVESTIGATION REVEALED BOTH AUXILIARY FUEL TANKS WERE NEARLY EMPTY AND THE MAIN FUEL TANKS WERE ABOUT HALF FULL. THE TWO RIVETS WHICH MOUNT THE LEFT FUEL SELECTOR HANDLE HAD FAILED, RENDERING THE SELECTOR INOPERATIVE. FUNCTIONAL TESTS OF THE LANDING GEAR, HYDRAULIC, AND FUEL SYSTEMS, INCLUDING THE CROSSFEED, REVEALED NO OTHER EVIDENCE OF MALFUNCTION.
Probable Cause: the pilot's failure to use the manual hydraulic pump to lower the landing gear. Factors were the failure of the fuel selector handle, the subsequent fuel starvation, and the pilot's failure to properly crossfeed and restart the left engine.
Accident investigation:
 |
|
Sources:
NTSB CHI94LA351
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 13:57 | ASN Update Bot | Added |
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