SEA86LA150

NTSB accident investigation · Piper J3C · Kent, WA · June 22, 1986

Accident · No injuriesLimited investigationFinal report
Date
June 22, 1986, 10:30 local (17:30 UTC)
Place
Kent, WA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N3667KPiper J3C
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860622058119A
Case key
40426

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

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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,crankshaft - disintegratedCause
Forced landingLanding
Gear collapsedLanding - roll
Terrain condition - none suitableCause
Terrain condition - rough/unevenCause

Analysis

A forced landing was made after a total loss of power. Landing was accomplished onto very rough rising terrain. During landing roll the left main gear collapsed. Investigation revealed a broken crankshaft. A top overhaul had been done less than 30 hours prior and a major overhaul done less than 300 hours prior.

Aircraft

Registration
N3667K
Reported as
Piper J3C
Category
Airplane
Serial number
22358
Airframe hours
2,120
Engine
Continental C-85-12, 85 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Arthur R. Kenyon
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · May 26, 1986 · 5 hours before
Departed
WA77 · Enumclaw, WA

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
62
Certificate
Commercial
Airplane ratings
Single-engine land, Single-engine sea
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
2,714 total · 2,642 in this make and model · 2,653 as pilot in command · 6 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
350° at 8 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
61 °F
Altimeter
30.00 inHg

FAA reports on this event · 1

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