NYC91LA093

NTSB accident investigation · Cessna 150L · Chambersburg, PA · March 24, 1991

Accident · No injuriesLimited investigationFinal report
Date
March 24, 1991, 11:15 local (16:15 UTC)
Place
Chambersburg, PA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N19102Cessna 150L
Weather
Visual (VMC) · Day
Status
Completed · report March 31, 1993
Report
Approved by Office Director
FAA report
19910324007179A
Case key
36894

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

Carburetor ice and the pilot's improper use of carburetor heat. A factor related to the accident was: carburetor icing (weather conditions).

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) - nonmechanicalApproach - vfr pattern - base leg/base to final
Weather condition - carburetor icing conditionsFactor
Fuel system,carburetor - iceCause
Carburetor heat - improper use ofPilot in commandCause
Forced landingDescent - emergency
In flight collision with objectLanding
Object - tree(s)

Analysis

The pilot was turning base to final when the engine lost power. The carburetor heat was found in the off position at the accident site. The carburetor icing probability chart showed the weather conditions at the time of the accident were conductive for serious icing during glide power.

Aircraft

Registration
N19102
Reported as
Cessna 150L
Category
Airplane
Serial number
150 74171
Engine
Continental O-200-A, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Operator
Earl Witt
Registered owner
Earl Witt
Last inspection
Unknown · January 2, 2000
Airport
N68 · Chambersburg, runway 24, 3,304 × 75 ft, asphalt

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
42
Certificate
Student
Medical
Class 3, Valid Medical--no waivers/lim.
Flight hours
29 total · 29 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
240° at 9 knots
Visibility
6 statute miles
Lowest ceiling
None

FAA reports on this event · 1

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