Aircraft Accident/Incident Report

Near Kipnuk, Alaska 99614
Sunday, September 5, 1982 11:45 AKD

NTSB Narrative Summary Released at Completion of Accident

THE PILOT REPORTED THAT THE AIRCRAFT LOST OIL PRESSURE WHILE HE WAS IN NORMAL CRUISE. SHORTLY THEREAFTER, THE ENGINE BEGAN RUNNING ROUGH. THE ENGINE FAILED COMPLETELY WHILE HE WAS ON AN APPROACH FOR A FORCED LANDING. SHORTLY AFTER TOUCHING DOWN ON UNEVEN, SOFT, WET TUNDRA, THE AIRCRAFT NOSED OVER. AN INVESTIGATION REVEALED THERE WAS A CRACK IN THE ENGINE CRANKCASE, PN 633412, WHERE OIL HAD LEAKED OUT. A TEARDOWN OF THE ENGINE REVEALED EVIDENCE OF OIL EXHAUSTION. THE PILOT REPORTED THAT THERE WAS AMPLE OIL WHEN HE CHECKED IT PRIOR TO TAKEOFF.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 9/5/1982
Event Day of the Week Sunday
Time of Event 1145
Event Time Zone --
Event City NEAR KIPNUK
Event State ALASKA
Event Country --
Zipcode of the event site 99614
Event Date Year 1982
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Unknown
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) 55
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2907
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N76078
NTSB Number ANC82DA083
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 207A
Aircraft Series Identifier 207A
Aircraft Serial Number 20700664
Certified Max Gross Weight 3800
Aircraft Category Airplane
Aircraft Registration Class Unknown
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 6
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 23
Airframe Hours 1957
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name BETHEL VENTURES,INC.
Aircraft Owner Street Address P.O. BOX 888
Aircraft Owner City BETHEL
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99559
Operator is an individual? --
Operator Name BETHEL VENTURES,INC.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address P.O. BOX 888
Operator City BETHEL
Operator State AK
Operator Country
Operator Zip code 99559
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Cargo
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code C
Departure City BETHEL
Departure State AK
Departure Country
Departure Time 1100
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code C
Destination City KIPNUK
Destination State AK
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:50PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --