Aircraft Accident/Incident Report

Takslesuk Lake, Alaska 00000
Thursday, April 14, 1988 15:10 AKD

NTSB Narrative Summary Released at Completion of Accident

THE SCHEDULED COMMUTER FLIGHT, FRIENDSHIP FLIGHT 305, WAS EN ROUTE FROM CHEVAK, ALASKA TO BETHEL, ALASKA. DURING CRUISE FLIGHT, THE AIRPLANE EXPERIENCED AN ENGINE FAILURE RESULTING A A FORCED LANDING ON ROUGH, SNOW COVERED TERRAIN. THE PILOT-IN-COMMAND STATED HE SAW A CONNECTING ROD RESTING IN THE BOTTOM OF THE ENGINE COWLING AND THE ENGINE CRANKCASE HAD A GAPING HOLE IN ITS SIDE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 4/14/1988
Event Day of the Week Thursday
Time of Event 1510
Event Time Zone --
Event City TAKSLESUK LAKE
Event State ALASKA
Event Country --
Zipcode of the event site 00000
Event Date Year 1988
Event Date Month 4
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 Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 2310 Coordinated Universal Time? Same as GMT
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID BET
Elevation of weather observation facility 131
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation UTC
Lighting Conditions Day
Lowest Ceiling Height 4500
Lowest Non-Ceiling Height 1500
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 40
Air Temperature at event time (in degrees celsius) 4
Dew Point at event time (in degress fahrenheit) -2
Wind Direction (degrees magnetic) 120
Variable Wind Indicator Unknown
Wind Speed (knots) 11
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
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) 5012
NTSB Notification Source --
NTSB Notification Date Apr 14 1988 12:00AM
NTSB Notification Time 1550
Fiche Number and/or location -used to find docket information 36400
Date of most recent change to record Dec 13 2000 11:39AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N73188
NTSB Number ANC88IA047
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 20700568
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 8
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Apr 4 1988 12:00AM
Airframe hours since last inspection 31
Airframe Hours 5668
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name FRIENDSHIP AIR ALASKA INC.
Aircraft Owner Street Address 3806 UNIVERSITY AVE. SO.
Aircraft Owner City FAIRBANKS
Aircraft Owner State AK
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code HASA
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 Non-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
Departure City CHEVAK
Departure State AK
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code BET
Destination City BETHEL
Destination State AK
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
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 --