Pilot Debrief

DIAMOND DA20 near Fairfield, UT — 2023-08-23

Final reportWPR23LA324
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Date
2023-08-23
Location
Fairfield, UT, USA
Aircraft
DIAMOND DA20
Registration
N989PA
Category
Airplane
Highest injury
None
Fatalities
0

Probable cause

The flight pilots improper fuel management, which resulted a total loss of engine power, and impact with terrain during an off-airport landing. Contributing to the accident was the flight instructor’s failure to follow the airplane checklist.

Contributing factors

Contributing to the accident was the flight instructor’s failure to follow the airplane checklist.

NTSB narrative

The flight instructor reported that while conducting a simulated engine failure, the student terminated the maneuver, with the fuel mixture leaned, by advancing the throttle. The engine did not respond with full power, and the flight instructor then “advanced” the mixture. The engine subsequently lost total power. The flight instructor attempted but could not restart the engine. The flight instructor then selected an off-airport landing site, and during the landing roll, the airplane impacted a dirt “berm” which resulted in substantial damage to the fuselage. Postaccident examination of the airplane by the flight instructor revealed the mixture was not in the full rich position and the fuel pump switch was not in the on position, which was contrary to the checklist for engine failure after takeoff procedures. According to the owner, who conducted a postaccident engine test run, the engine exhibited no mechanical malfunctions or anomalies that would have precluded normal operations.

NTSB coding

Evidence available

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

Docket documents4

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