CHI91DEP11

NTSB accident investigation · English Pietenpol Aircamper · Brodhead, WI · July 27, 1991

Accident · Serious injuriesFinal report
Date
July 27, 1991, 15:39 local (20:39 UTC)
Place
Brodhead, WI
Injuries
1 serious, 1 minor
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N14961English Pietenpol Aircamper
Weather
Visual (VMC) · Day
Status
Completed · report September 28, 1992
Report
Approved by Office Director
FAA report
19910727030199A
Case key
14844

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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Probable cause

Erosion of an exhaust valve.

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(partial) - mech failure/malfTakeoff - initial climb
Engine assembly,valve,exhaust - erodedCause
Forced landingManeuvering - turn to landing area (emergency)
In flight collision with terrain/waterLanding

Analysis

The amateur built airplane was powered by a converted automobile engine. During a climb after takeoff, the engine sustained a partial power loss & the pilot attempted to return to the airport. However, he was unable to reach the airport & the airplane was damaged during a forced landing. An investigation revealed an exhaust valve was eroded & leaking.

Aircraft

Registration
N14961
Reported as
English Pietenpol Aircamper (PIETENPOL)
Category
Airplane, amateur-built
Serial number
P101SE
Engine
Corvair GO-140, 145 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Cary Francis Winch
Registered owner
Cary Francis Winch
Airworthiness certificate
Special, Experimental (Special)
Departed
C37 · Brodhead, WI
Destination
79C · Necedah, WI

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
22
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Flight hours
100 total · 30 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
90° at 10 knots
Visibility
15 statute miles
Lowest ceiling
5,000 ft unknown
Temperature
-0 °F, dew point -0 °F
Observed at
JVL, 15 nm away

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 N14961 · 1

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