ANC88IA047

NTSB incident investigation · Cessna 207A · Takslesuk Lake, AK · April 14, 1988

Incident · No injuriesIncident investigationFinal report
Date
April 14, 1988, 15:10 local (23:10 UTC)
Place
Takslesuk Lake, AK
Injuries
1 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N73188Cessna 207A
Weather
Visual (VMC) · Day
Status
Completed · report January 25, 1990
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19880414012389I
Case key
4963

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of engine power(total) - mech failure/malfCruise - normal
Engine assembly,connecting rod - failure,totalCause
Forced landingLanding - roll
Terrain condition - rough/unevenFactor
Terrain condition - snow coveredFactor
Terrain condition - tundraFactor

Analysis

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.

Aircraft

Registration
N73188
Reported as
Cessna 207A
Category
Airplane
Serial number
20700568
Airframe hours
5,668
Engine
Continental IO-520-F11, 300 horsepower, reciprocating
Damage
Minor damage
Flight
Part 135
Registered owner
Friendship Air Alaska Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · April 4, 1988 · 31 hours before
Departed
Chevak, AK
Destination
BET · Bethel, AK
Flight plan
VFR

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
32
Certificate
Airline transport
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Unknown, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
3,500 total

Weather

Conditions
Visual (VMC) · Day
Wind
120° at 11 knots
Visibility
40 statute miles
Lowest ceiling
4,500 ft broken
Temperature
39 °F, dew point 28 °F
Altimeter
29.00 inHg
Observed at
BET

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N73188 · 1

Matched to the same aircraft by N-number and date.