Accident Cessna 207 N23CF,
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ASN Wikibase Occurrence # 217256
 
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Date:Thursday 18 June 1992
Time:19:30
Type:Silhouette image of generic C207 model; specific model in this crash may look slightly different    
Cessna 207
Owner/operator:Hageland Aviation Services
Registration: N23CF
MSN: 20700276
Year of manufacture:1974
Total airframe hrs:8092 hours
Engine model:CONTINENTAL IO-520-F
Fatalities:Fatalities: 0 / Occupants: 5
Aircraft damage: Substantial
Category:Accident
Location:Quinhagak, AK -   United States of America
Phase: En route
Nature:Unknown
Departure airport:AQH
Destination airport:Bethel, AK (BET)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
JUST AFTER MAKING THE INITIAL TAKEOFF CLIMB POWER REDUCTION THE PILOT NOTICED THAT THE ENGINE OIL PRESSURE WAS INDICATING ZERO. BEFORE HE COULD LAND AT HIS DEPARTURE AIRPORT THE ENGINE SEIZED. AN OFF AIRPORT FORCED LANDING RESULTED IN SUBSTANTIAL DAMAGE TO THE AIRPLANE. THE ENGINE OIL FILTER ADAPTER HAD SEPARATED FROM THE OIL PUMP HOUSING, AND ALL ENGINE OIL WAS LOST. THE THREADS ON THE ADAPTER AND HOUSING WERE WORN AND DAMAGED. THE ADAPTER HAD LAST BEEN INSTALLED USING WATER PUMP PLIERS INSTEAD OF THE SPECIAL WRENCH AS PER THE CESSNA MAINTENANCE MANUAL.

Probable Cause: ENGINE FAILURE DUE TO TOTAL OIL LOSS. CONTRIBUTING TO THE ACCIDENT WERE THE SEPARATION OF THE OIL FILTER ADAPTER FROM THE OIL PUMP DUE TO IMPROPER MAINTENANCE PROCEDURES AND NON ADHERENCE TO RECOMMENDED DIRECTIVES BY COMPANY MAINTENANCE PERSONNEL, AND THE UNSUITABLE TERRAIN ON WHICH TO MAKE THE FORCED LANDING.

Accident investigation:
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Investigating agency: NTSB
Report number: ANC92LA095
Status: Investigation completed
Duration:
Download report: Final report

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001211X14758&key=1

History of this aircraft

Other occurrences involving this aircraft
20 November 2022 N23CF YR-Aircraft Leasing LLC, dba Yute Commuter Service 0 near Bethel, AK sub

Revision history:

Date/timeContributorUpdates
04-Nov-2018 08:43 ASN Update Bot Added

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