Loss of control Accident Boeing-Stearman A75N1 (PT-17) N60147,
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ASN Wikibase Occurrence # 122775
 
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Date:Friday 27 May 2011
Time:15:00
Type:Silhouette image of generic ST75 model; specific model in this crash may look slightly different    
Boeing-Stearman A75N1 (PT-17)
Owner/operator:Private
Registration: N60147
MSN: 75-1951
Total airframe hrs:3885 hours
Engine model:Continental W670
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:near Fremont Municipal (KFFX), MI -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Freemont, MI (FFX)
Destination airport:Freemont, MI
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The airplane began to descend after takeoff and while on the crosswind leg of the airport traffic pattern. The pilot stated that he could not stop the airplane from descending before the airplane impacted trees. The passenger stated that the airplane was running fine and that it did not sound different before the accident. The pilot did not provide the propeller assembly for further examination to determine what may have reduced the airplane’s climb performance.

The Michigan Department of State Police administered a preliminary breath test to the pilot after the accident; the pilot’s blood alcohol concentration (BAC) was 0.18%. The State Police Forensic Science Division’s laboratory report analyzed the pilot’s blood, which had a BAC of 0.15%. According to the Federal Aviation Administration (FAA), effects of a BAC of .18% can include confusion, dizziness, impaired visual perception, impaired balance, and moderate muscular incoordination.
Probable Cause: The pilot’s failure to attain a positive climb rate following takeoff for reasons that could not be determined because the propeller was not provided for further examination. Contributing to the accident was the pilot's impairment from alcohol.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: CEN11LA365
Status: Investigation completed
Duration: 1 year and 6 months
Download report: Final report

Sources:

NTSB

Location

Revision history:

Date/timeContributorUpdates
28-May-2011 03:06 RobertMB Added
28-Jun-2016 09:11 TB Updated [Time, Aircraft type, Operator, Location, Source, Narrative]
21-Dec-2016 19:25 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
27-Nov-2017 16:53 ASN Update Bot Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative]

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