MKC83LA075

NTSB accident investigation · Cessna 150F · Ollie, IA · March 7, 1983

Accident · No injuriesLimited investigationFinal report
Date
March 7, 1983, 16:30 local (22:30 UTC)
Place
Ollie, IA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N8803GCessna 150F
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830307006609A
Case key
33388

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(partial) - nonmechanicalManeuvering
Weather condition - carburetor icing conditionsFactor
Carburetor heat - improper use ofPilot in commandCause
Fuel system,carburetor - iceCause
Nose overLanding - roll
Terrain condition - softFactor

Analysis

The student reported that the eng lost aprx 500 RPM while he was practicing turns & stalls at an altitude of aprx 3500 ft MSL. Reportedly, the situation became worse & he was unable to maintain altitude. He applied carburetor heat, but it did not help. Subsequently, a precautionary landing was made. During the landing roll, the nosewheel sank in soft terrain & the acft nosed over. An exam & disassembly of the eng did not disclose any evidence of a malfunction or failure that contributed to the power loss. The temp & dew point were 40 deg, respectively. According to icing probability charts, serious carburetor icing could occur at glide power & serious carburetor icing conditions exited for cruise power.

Aircraft

Registration
N8803G
Reported as
Cessna 150F
Category
Airplane
Serial number
15062903
Airframe hours
2,048
Engine
Continental O-200-A, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Registered owner
John Fye
Airworthiness certificate
Standard, Normal
Last inspection
Annual · November 22, 1982 · 12 hours before
Departed
OTM · Ottumwa, IA

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
36
Certificate
Student
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
31 total · 6 in this make and model · 3 as pilot in command · 29 in the last 90 days · 2 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
290° at 13 knots
Visibility
20 statute miles
Lowest ceiling
6,000 ft overcast
Temperature
39 °F, dew point 28 °F
Altimeter
29.00 inHg
Observed at
OTM, 13 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.