Pilot Debrief

CESSNA 150J near Jasper, GA — 2012-02-17

Final reportERA12LA186
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Date
2012-02-17
Location
Jasper, GA, USA
Airport
JZP
Aircraft
CESSNA 150J
Registration
N60276
Category
Airplane
Highest injury
Serious
Fatalities
0
Phase of flight
Approach

Probable cause

The pilots' inadequate preflight inspection that failed to detect water-contaminated fuel, which resulted in a total loss of engine power.

NTSB narrative

The pilot and the flight instructor reported that they conducted an extensive preflight inspection and filled the fuel tanks with fuel prior to departure for the pilot’s biennial flight review in the newly purchased airplane. They further reported that they sumped the fuel tanks before and after the refueling and noted no water or contamination. The takeoff was uneventful, and they remained in the traffic pattern to practice takeoffs and landings. While on final approach for the first landing, the pilot added power, and the engine subsequently sputtered and lost power. The flight instructor completed a forced landing to a field, and, during the landing roll, the airplane impacted a truck. Postaccident examination of the airplane and engine revealed large amounts of water in the fuel strainer bowl and carburetor bowl. Additionally, corrosion was observed inside the fuel tanks and the fuel strainer bowl, and the fuel cap gaskets appeared stiff and cracked. The airplane’s most recent annual inspection was completed about 6 months before the accident. The airplane had been stored outside while it was for sale, and it had only accumulated 4 hours of flight time in the previous 2 years and had not flown at all in the 3 months preceding the accident. Given the amount of water in the carburetor bowl and fuel strainer bowl, the poor condition of the fuel cap gaskets, and the presence of corrosion in the fuel tanks and fuel strainer bowl, it is likely that water had entered the fuel system during the time the airplane was stored outside. Further, it is unlikely that the pilots conducted a thorough preflight inspection, otherwise the water would have been detected.

Analysis

Primary failure mode
Fuel management
First missed decision gate
Properly check fuel quality before flight to avoid water contamination.

NTSB coding

Evidence available

  • Photos
  • 18 docket documents
View NTSB final reportView NTSB docket

Docket documents18

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