ANC86LA103

NTSB accident investigation · Cessna 170B · Tekanika River, AK · July 7, 1986

Accident · No injuriesLimited investigationFinal report
Date
July 6, 1986, 16:30 local (Jul 7, 1986, 00:30 UTC)
Place
Tekanika River, AK
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N3162BCessna 170B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19860706030259A
Case key
4697

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

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
Engine assembly,push rod - failure,totalCause
Forced landingDescent - emergency
Nose overLanding - roll

Analysis

The acft nosed over during the forced landing which followed a total loss of pwr. The plt reported he noted a decrease in oil pressure during cruise flt just prior to the pwr loss. Examination of the acft eng revealed that the #6 cylinder push rod had failed.

Aircraft

Registration
N3162B
Reported as
Cessna 170B
Category
Airplane
Serial number
25404
Airframe hours
1,886
Engine
Continental C-145, 145 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Timbre Houlton
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 6, 1986 · 50 hours before
Destination
FAI · Fairbanks, AK

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
20
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
435 total · 211 in this make and model · 399 as pilot in command · 122 in the last 90 days · 60 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
30° at 6 knots
Visibility
30 statute miles
Lowest ceiling
None
Temperature
84 °F, dew point 25 °F
Altimeter
29.00 inHg

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 N3162B · 1

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