ASN Wikibase Occurrence # 35565
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| Date: | Monday 14 December 1987 |
| Time: | 18:58 |
| Type: |  Piper PA-28-161 |
| Owner/operator: | Alpine Aviation |
| Registration: | N2138J |
| MSN: | 28-7916206 |
| Total airframe hrs: | 3393 hours |
| Engine model: | LYCOMING O-320-D3G |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Draper, UT -
 United States of America
|
| Phase: | Approach |
| Nature: | Ferry/positioning |
| Departure airport: | Salt Lake City , UT (SLC) |
| Provo, UT (PUV) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
DRG A NGT FLT TO REPOSITION THE ACFT TO ITS HOME BASE, THE ENG LOST PWR AS THE PLT WAS CRUISING AT ABOUT 1000' AGL. HE TRANSMITTED A 'MAYDAY' CALL & MANEUVERED THE ACFT TO MAKE A FORCED LNDG ON AN INTERSTATE HIWAY. WHILE APCHG TO LND, THE ACFT STRUCK THE TOP (GROUND) WIRE OF A PWR LINE THAT CROSSED THE HIWAY IN THAT AREA. THE ACFT THEN FLIPPED OVER & FELL ON THE NORTHBOUND LANES OF THE HIWAY. A TEAR DOWN OF THE ENG REVEALED THE ACCESSORY DRIVE GEAR ATTACHING BOLT (PN: STD-847) HAD BACKED OUT, ALLOWING THE DRIVE GEAR TO LOOSEN. THIS RESULTED IN A LOSS OF SYNCHRONIZATION OF VALVE & IGNITION TIMING. AN INCORRECTLY SIZED HELI-COIL, USED TO REPAIR THE GEAR ATTACHING THREADS, WAS FOUND INSTALLED IN THE CRANKSHAFT. CAUSE:
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001213X32684
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
Corrections or additions? ... Edit this accident description
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