Narrative:

During a night cross country training flight the instructor noticed the rear door wasn't fully secure. The instructor attempted to secure the rear door by re-setting the latch and accidentally hit the emergency latch which caused the rear door to be ripped off the airplane in flight. The aircraft was safely flown back to the home airport.

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Original NASA ASRS Text

Title: DA40 instructor pilot attempted to secure a rear door that was not fully latched in flight; resulting in the emergency latch being accidentally hit and the door departing the aircraft.

Narrative: During a night cross country training flight the instructor noticed the rear door wasn't fully secure. The instructor attempted to secure the rear door by re-setting the latch and accidentally hit the emergency latch which caused the rear door to be ripped off the airplane in flight. The aircraft was safely flown back to the home airport.

Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.