Loss of control Accident Carlo Robert QUICKSILVER SPT 2S N5593F, 13 Nov 2010
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ASN Wikibase Occurrence # 287924
 
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Date:13-NOV-2010
Time:17:10 LT
Type:Carlo Robert QUICKSILVER SPT 2S
Owner/operator:Carlo Robert
Registration: N5593F
MSN: SPORT 25 0048
Fatalities:Fatalities: / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Lajas, Puerto Rico -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Lajas, PR
Destination airport:Lajas, PR
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The non-certified pilot departed for a local flight and, during cruise flight, a witness reported seeing the airplane in a nose-low attitude spinning two times before impacting the ground in an open field. A postaccident inspection of the airframe revealed no evidence of preimpact failure or malfunction. The engine was started without a propeller and the engine and engine systems were found to operate normally. Results of postmortem toxicology testing were consistent with the regular use of a prescription antidepressant and relatively recent use of two different prescription medications that may be used for anxiety or as sleep aids. The investigation considered the possibility that the pilot may have been impaired by the recent use of an anti-anxiety medication or by the conditions for which the medications were prescribed; however, the role of any possible impairment in the accident could not be conclusively determined.

Probable Cause: The pilot's failure to maintain adequate airspeed, which resulted in an aerodynamic stall and entry into a spin.

Sources:

NTSB ERA11LA056

Accident investigation:
cover
  
Investigating agency: NTSB
Status: Investigation completed
Duration: 10 months
Download report: Final report
Location


Revision history:

Date/timeContributorUpdates
04-Oct-2022 16:48 ASN Update Bot Added

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