ANC87LA066

NTSB accident investigation · Cessna 170B · Kenai, AK · May 6, 1987

Accident · Serious injuriesLimited investigationFinal report
Date
May 5, 1987, 21:00 local (May 6, 1987, 05:00 UTC)
Place
Kenai, AK
Injuries
2 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N2754DCessna 170B
Weather
Visual (VMC) · Day
Status
Completed · report April 25, 1988
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19870505012279A
Case key
4847

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/malfManeuvering
Propeller system/accessories,hub - failure,totalCause
Aircraft handling - not maintainedPilot in commandFactor
Propeller system/accessories - separationCause
Airspeed - not maintainedPilot in commandFactor
Forced landingDescent - emergency
On ground/water collision with objectLanding - flare/touchdown
Object - tree(s)
In flight collision with terrain/waterLanding - flare/touchdown

Analysis

The pilot stated during a low level flight above the trees, the aircraft started to vibrate. A few seconds later the propeller completely separated from the aircraft. The propeller was not located in the wooded area. The propeller separated from the aircraft for undetermined reasons.

Aircraft

Registration
N2754D
Reported as
Cessna 170B
Category
Airplane
Serial number
25296
Airframe hours
3,512
Engine
Lycoming O-340-1A1, 170 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Patsy N. Dinnebeck
Registered owner
Michael C. Bailey
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · March 26, 1987 · 8 hours before

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
41
Certificate
Private
Airplane ratings
Single-engine land, Single-engine sea
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
964 total · 52 in this make and model · 899 as pilot in command · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
50° at 5 knots
Visibility
20 statute miles
Lowest ceiling
None
Temperature
45 °F, dew point 34 °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 N2754D · 1

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