ASN Wikibase Occurrence # 363003
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| Date: | Wednesday 2 September 1992 |
| Time: | 12:30 LT |
| Type: |  Cessna 210M |
| Owner/operator: | Private |
| Registration: | N6979B |
| MSN: | 21062863 |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 2860 hours |
| Engine model: | CONTINENTAL IO-520 L2 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Smithfield, NC -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Fuquay-varina, NC |
| (W27) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT ARRIVED AT THE AIRPORT AND DISCOVERED THAT THE AIRPLANE'S BATTERY WAS WEAK. HE REQUESTED AN ELECTRICAL BOOST FROM A LOCAL MECHANIC TO START THE ENGINE. AFTER STARTING THE ENGINE, THE PILOT ALLOWED THE ENGINE TO RUN FOR SEVERAL MINUTES BEFORE TAXIING TO THE RUNWAY FOR TAKEOFF. THE PILOT REPORTED THAT THE RUNUP PROCEDURE WAS NORMAL. HE ALSO TURNED OFF ALL ELECTRICAL EQUIPMENT, BUT LEFT ONE COMMUNICATION RADIO ON. AFTER LIFTOFF, THE PILOT DISCOVERED THAT THE LANDING GEAR WOULD NOT RETRACT COMPLETELY. THE PILOT ELECTED TO CONTINUE THE FLIGHT AND, WHILE EN ROUTE, HE ATTEMPTED MANUALLY TO LOWER THE MAIN LANDING GEAR, BUT FELT PRESSURE ON THE EMERGENCY EXTENSION HANDLE AND DECIDED TO DISCONTINUE THE EXTENSION OPERATION. DURING THE LANDING ROLL, AT THE DESTINATION AIRPORT, THE RIGHT MAIN LANDING GEAR COLLAPSED AND THE AIRPLANE VEERED OFF THE RIGHT SIDE OF THE RUNWAY. AS THE RIGHT WING WAS LIFTED UP, DURING THE WRECKAGE RECOVERY PHASE, THE PILOT LOWERED THE RIGHT MAIN GEAR WITH THE EMERGENCY EXTENSION HANDLE. EXAMINATION OF THE ELECTRICAL SYSTEM DISCLOSED THAT A DIODE IN THE ALTERNATOR HAD SLIPPED FROM ITS NORMALLY INSTALLED POSITION.
Probable Cause: THE PILOT'S OPERATION OF THE AIRPLANE WITH KNOWN ELECTRICAL DEFICIENCIES WHICH RESULTED IN A FAILURE OF THE LANDING GEAR HYDRAULIC POWERPACK. THE PILOT ALSO FAILED TO FOLLOW EMERGENCY PROCEDURES FOR LOWERING THE LANDING GEAR. FACTORS WERE AN INOPERATIVE ALTERNATOR AND A WEAK BATTERY.
Accident investigation:
 |
|
Sources:
NTSB ATL92LA174
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 12:30 | ASN Update Bot | Added |
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