ASN Wikibase Occurrence # 370916
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Date: | Thursday 16 June 1988 |
Time: | 23:30 LT |
Type: | Cessna 172K |
Owner/operator: | Moon/wolf Air Service |
Registration: | N7499G |
MSN: | 17259199 |
Total airframe hrs: | 5050 hours |
Engine model: | LYCOMING O-320-E2D |
Fatalities: | Fatalities: 0 / Occupants: 4 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Mora, MN -
United States of America
|
Phase: | Landing |
Nature: | Private |
Departure airport: | Mora, MN (19D) |
Destination airport: | (19D) |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:DRG FLT, ONE OF THE PLTS DEMONSTRATED A NEGATIVE 'G' MANEUVER BY ENTERING A CLIMB, THEN MAKING A 'PUSH OVER' TO A DESCENT. HE THROTTLED BACK ON THE BACK SIDE OF THE MANEUVER TO MAINTAIN AIRSPEED. WHEN THE THROTTLE WAS READVANCED, THERE WAS NO ENG RESPONSE. EMERGENCY PROCEDURES WERE INITIATED, BUT THE ENG WOULD NOT RESTART. SUBSEQUENTLY, A NIGHT LANDING WAS MADE IN A WOODED AREA & THE ACFT WAS EXTENSIVELY DAMAGED. LITTLE FUEL WAS FOUND REMAINING IN THE ACFT, BUT FUEL HAD DRAINED FROM THE FUEL SYSTEM AFTER THE ACDNT. DURING A CHECK OF THE MAGNETOS, ONE PROVIDED NO SPARK & THE OTHER PROVIDED ONLY A WEAK SPARK. THE MAGNETOS WERE DISASSEMBLED; BOTH WERE FOUND TO HAVE LOOSE DISTRIBUTOR BLOCKS. ALSO, LARGE AMOUNTS OF CARBON HAD BUILT UP IN BOTH MAGNETO CASES, ALTHOUGH NO TRACE OF CARBON ARCING WAS FOUND.
Probable Cause:
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CHI88DER03 |
Status: | Investigation completed |
Duration: | 1 year and 5 months |
Download report: | Final report |
|
Sources:
NTSB CHI88DER03
Location
Revision history:
Date/time | Contributor | Updates |
25-Mar-2024 16:10 |
ASN Update Bot |
Added |
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