ATL99LA125

NTSB accident investigation · Cessna 172P · Buchanan, GA · September 6, 1999

Accident · No injuriesLimited investigationFinal report
Date
September 6, 1999, 12:50 local (16:50 UTC)
Place
Buchanan, GA
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N7883UCessna 172P
Weather
Visual (VMC) · Day
Status
Completed · report August 10, 2000
Report
Approved by Office Director
FAA report
19990906041399A
Case key
47293

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

The loss of engine power for undetermined reasons. Factors were conditions favorable for the formation of carburetor ice during glide and cruise, and rough and uneven terrain.

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) - nonmechanicalCruise
Reason for occurrence undeterminedCause
Weather condition - carburetor icing conditionsFactor
Forced landingDescent - emergency
In flight collision with terrain/waterEmergency descent/landing
Terrain condition - rough/unevenFactor

Analysis

The pilot stated that the purpose of the flight was to show the airplane to two prospective buyers. According to the pilot, several minutes into the flight the engine lost power. Attempts to restart the engine failed. During the attempted forced landing, the pilot maneuvered the airplane to avoid a collision with utility lines; the airplane subsequently collided with the ground, and rested adjacent to a fence inside a pasture. The post-accident examination of the airplane at the accident site disclosed that the carburetor assembly was broken from the normally installed position. During the subsequent examination of the engine assembly, raw fuel was observed on several spark plugs, and the several cylinders displayed dark residue inside the combustion chambers. During the functional check, the engine operated normally up to 2000 RPM. A review of weather data and icing probability charts, at the approximate time of the accident disclosed that conditions were favorable for the formation of carburetor ice.

Factual narrative

On September 6, 1999, at 1250 eastern daylight time, a Cessna 172P, N7883U, collided with the ground during an attempted forced landing near Buchanan, Georgia. The personal flight was operated by the pilot under the provisions of Title 14 CFR Part 91 with no flight plan filed. Visual weather conditions prevailed at the time of the accident. The airplane sustained substantial damage. The private pilot and his two passengers were not injured. The flight departed Stockmar Airport in Villa Rica, Georgia, at 1200.

The pilot stated that the purpose of the flight was to show the airplane to two prospective buyers. According to the pilot, several minutes into the flight the engine lost power. Attempts to restart the engine failed. The pilot reported that he was also searching for an emergency landing area. As the airplane got lower the pilot maneuvered the airplane to avoid a collision with utility lines; the airplane subsequently collided with the ground, and rested adjacent to a fence inside a pasture. The terrain at the accident site was rough and uneven.

The post-accident examination of the airplane at the accident site disclosed that the airplane sustained structural damage to the underside of the nose section of the airframe. The carburetor assembly was broken from the normally installed position, and a small engine oil leak was also noted on the bottom of the engine. The wreckage examination also revealed structural damage to the empennage section of the airframe.

During the subsequent examination of the engine assembly, raw fuel was observed on several spark plugs, and several cylinders displayed dark residue inside the combustion chambers. A post-accident functional check of the engine assembly was accomplished. During the engine run, it operated normally up to 2000 RPM; safety considerations prevented full operation.

A review of weather data at the approximate time of the accident disclosed that conditions were favorable for the formation of carburetor ice. The pilot reported that the flight departed with approximately 40 gallons of automotive fuel. The pilot also did not report applying carburetor heat prior to the total loss of engine power.

Aircraft

Registration
N7883U
Reported as
Cessna 172P
Category
Airplane
Serial number
17251883
Airframe hours
2,880
Engine
Continental O-300C, 145 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Joel A. Fraizer
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 13, 1998 · 3 hours before
Departed
Villa Rica, GA

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
63
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Unknown, Expired
Seat
Left
Flight hours
473 total · 392 in this make and model

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles
Lowest ceiling
None
Temperature
91 °F, dew point 52 °F
Altimeter
29.00 inHg
Observed at
FFC, 20 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 N7883U · 1

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