Pilot Debrief

PIPER PA-24-250 near Woodstock, CT — 2013-09-08

Final reportERA13LA408
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Date
2013-09-08
Location
Woodstock, CT, USA
Aircraft
PIPER PA-24-250
Registration
N7333P
Category
Airplane
Highest injury
Minor
Fatalities
0
Phase of flight
Cruise

Probable cause

The pilot’s improper preflight inspection, which resulted in fuel exhaustion and a total loss of engine power.

NTSB narrative

The pilot reported that the airplane's digital cockpit fuel gauges indicated that each of the two wing tanks contained about 5 gallons of fuel before departure for the 10- to 15-minute flight. About 4 miles from the destination airport, the engine began to run roughly, and the pilot switched the fuel tank selector from the left wing tank to the right wing tank. The engine continued to run roughly and subsequently experienced a total loss of power. The pilot conducted a forced landing to a cornfield, which resulted in substantial damage to the fuselage and wings. During postaccident examination, the fuel quantity gauges indicated that no fuel remained, and no fuel was observed in either of the wing fuel tanks. Recovery personnel drained a total of 2 gallons of fuel from the airplane before its recovery from the field. An engine test run was performed, and the engine started and ran smoothly and without interruption through all power settings. Despite the pilot's report that a bird strike precipitated the total loss of engine power, no evidence of a bird strike was observed during a postaccident examination of the wreckage. The pilot's operating handbook stated that, at an engine power setting of 75-percent-rated horsepower, the fuel consumption rate was about 14 gallons per hour, or about 0.23 gallon per minute. Given this fuel consumption rate, a 15-minute flight would have consumed about 3.5 gallons, not including the fuel required for engine startup, taxi, and takeoff. The pilot used the digital cockpit fuel gauges as his only indication of the fuel level and did not confirm the displayed quantity either visually or with another fuel measurement device before takeoff.

Analysis

Primary failure mode
Fuel management
First missed decision gate
Pilot did not visually inspect fuel tanks before departure.

NTSB coding

Evidence available

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

Docket documents6

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