Aircraft Accident/Incident Report

Cape Simpson, Alaska
Monday, May 13, 1985 12:00 AKD

NTSB Narrative Summary Released at Completion of Accident

# 6 CYL EXPLODED IN FLT DUE TO CONNECTING ROD COMING APART. POST-ACCIDENT INSP REVEALED THAT NUT HAD BACK OFF DUE TO INADEQUATE TORQUE & NO COTTER KEY INSTALLED IN NUT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 5/13/1985
Event Day of the Week Monday
Time of Event 1200
Event Time Zone --
Event City CAPE SIMPSON
Event State ALASKA
Event Country --
Zipcode of the event site
Event Date Year 1985
Event Date Month 5
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 Unknown
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1153 Atlantic Daylight Time
Direction of event from weather observation facility (degrees) 270
Weather Observation Facility ID BRW
Elevation of weather observation facility 44
Distance of event from weather observation facility (units?) 35
Time Zone of the weather observation ADT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 50
Air Temperature at event time (in degrees celsius) -12
Dew Point at event time (in degress fahrenheit) -16
Wind Direction (degrees magnetic) 30
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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 7
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 5007
NTSB Notification Source --
NTSB Notification Date May 13 1985 12:00AM
NTSB Notification Time 1155
Fiche Number and/or location -used to find docket information 27737
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9943M
NTSB Number ANC85IA083
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed VFR
Flight plan Was Activated? --
Damage Minor
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 207A
Aircraft Series Identifier 207A
Aircraft Serial Number 20700757
Certified Max Gross Weight 3800
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 7
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Mar 1 1985 12:00AM
Airframe hours since last inspection 50
Airframe Hours 1858
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name EDWARD J. SCHOLLEMBERG
Aircraft Owner Street Address P.O. BOX 2036
Aircraft Owner City HOMER
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode 99603
Operator is an individual? --
Operator Name BARROW AIR
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 184
Operator City BARROW
Operator State AK
Operator Country
Operator Zip code 99723
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 Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code BRW
Departure City BARROW
Departure State AK
Departure Country
Departure Time 1130
Departure Time Zone ADT
Destination Same as Local Flt --
Destination Airport Code 10AK
Destination City NUIQSUT
Destination State AK
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --