Accident Mooney M20K N11637,
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ASN Wikibase Occurrence # 133863
 
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Date:Friday 7 June 1996
Time:15:00 LT
Type:Silhouette image of generic M20T model; specific model in this crash may look slightly different    
Mooney M20K
Owner/operator:Vito E. Palermo
Registration: N11637
MSN: 25-0675
Year of manufacture:1982
Total airframe hrs:2569 hours
Engine model:Continental TSIO-360-LB1B
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Destroyed
Category:Accident
Location:Danbury, CT -   United States of America
Phase: Landing
Nature:Private
Departure airport:(KDXR)
Destination airport:(KDXR)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot was returning from an instrument proficiency flight with a certificated flight instructor acting as the safety pilot. During the landing, the airplane bounced three times, and the pilot added full power to perform a go-around. The safety pilot stated that during the go-around 'In a panic to gain altitude, I raised the flaps, since the indicator was indicating full flaps. . . . The aircraft lost altitude, crashing into five aircraft which were parked on the ground.' Examination of the airplane did not disclose evidence of a malfunction, nor did either pilot report any. The FAA Flight Training Handbook stated for go-arounds (rejected landings), 'Depending on the airplane's altitude and airspeed, it may be wise to retract the flaps intermittently in small increments to allow time for the airplane to accelerate progressively as they are being raised. A sudden and complete retraction of the flaps at a very low airspeed could cause a loss of lift resulting the airplane settling into the ground.'

Probable Cause: the safety pilot's raising of the flaps, while the airplane was at an inadequate airspeed during the aborted landing, which resulted in a stall, uncontrolled descent, and subsequent collision with parked airplanes.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: NYC96LA122
Status: Investigation completed
Duration: 7 months
Download report: Final report

Sources:

NTSB NYC96LA122

Revision history:

Date/timeContributorUpdates
21-Dec-2016 19:26 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
09-Apr-2024 06:32 ASN Update Bot Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Accident report]

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