CEN09CA121

NTSB accident investigation · Cessna 150M · Greene, IA · December 31, 2008

Accident · No injuriesData collectionFinal report
Date
December 31, 2008, 14:30 local (20:30 UTC)
Place
Greene, IA
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N899CBCessna 150M
Defining event
Maneuvering-low-alt flying: Loss of engine power (total)
Weather
Visual (VMC) · Day
Status
Completed · report May 6, 2009
Report
Approved by Office Director
NTSB office
Central Region
Parties
FAA
FAA report
20081231854389A
Case key
73202

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

A loss of engine power due to undetermined reasons. Contributing to the accident was the rough, snow-covered terrain.

Findings · 4

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

Not determinedNot determined › Not determined · Unknown/Not determinedCessna 150M: 8 casesAll aircraft: 2,247 casesProbable cause
Terrain: rough terrainEnvironmental issues › Physical environment · Contributed to outcomeCessna 150M: 2 casesAll aircraft: 442 casesProbable cause
Terrain: snowy/icy terrainEnvironmental issues › Physical environment · Contributed to outcomeCessna 150M: 1 caseAll aircraft: 77 casesProbable cause
Engine (reciprocating)Aircraft › Aircraft power plant · Not specifiedCessna 150M: 2 casesAll aircraft: 497 cases

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

The recently certificated private pilot reduced the engine power setting and descended to an altitude of 800 to 1,000 feet above the ground so the passenger could take aerial photographs of a farm house. The pilot stated that he had the power setting pulled back approximately halfway while they were circling and that the engine seized when he attempted to apply full power to gain altitude. The airplane landed hard during the off-airport forced landing on a snow-covered farm field. The airplane sustained firewall damage when the nose gear collapsed following a 75-foot-long landing roll. The pilot stated that he did not use carburetor heat while circling. Postaccident inspection revealed the engine turned freely when rotated by hand and when the ignition was engaged. Examination of the spark plugs revealed they were black in color from soot.

Factual narrative

The recently certificated private pilot reported that during the flight he reduced the engine power setting and descended to an altitude of 800 to 1,000 feet above the ground so the passenger could take aerial photographs of a farm house. During a telephone interview the pilot stated that he had the power setting pulled back approximately "half way" while they were circling the farm. The pilot reported the engine seized when he attempted to apply full power to gain altitude. The airplane landed hard during an off-airport forced landing on a snow covered farm field. The airplane sustained firewall damage when the nose gear collapsed following a 75-foot-long landing roll. The pilot stated that he did not use carburetor heat while circling. Post accident inspection revealed the engine turned freely when rotated by hand and when the ignition was engaged. Examination of the spark plugs revealed they were black in color from soot. The pilot had a total of 61 hours of flight time.

Aircraft

Registration
N899CB
Reported as
Cessna 150M
Category
Airplane
Serial number
15076699
Airframe hours
6,098
Engine
Cont Motor O-200 SERIES, 100 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Kevin E. Brown
Registered owner
Cedar Valley Aviation LLC
Airworthiness certificate
Unknown
Last inspection
Annual · December 17, 2008 · 2 hours before
Departed
C25 · Waverly, IA
Destination
C25 · Waverly, 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
18
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, With waivers/limitations
Last flight review
October 17, 2008
Seat
Left
Flight hours
61 total · 53 in this make and model · 22 as pilot in command · 9 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 3 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
9 °F, dew point -2 °F
Observed at
ALO, 28 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.