Accident Waco YMF-5 N44JS,
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ASN Wikibase Occurrence # 364624
 
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Date:Wednesday 28 August 1991
Time:18:55 LT
Type:Silhouette image of generic WACF model; specific model in this crash may look slightly different    
Waco YMF-5
Owner/operator:Jeffrey Starr
Registration: N44JS
MSN: 00016
Engine model:JACOBS 755
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Jamestown, RI -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:N. Kingston, RI (KOQU)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PILOT SAID, 'I SET UP...A GLIDE. THE ENGINE WAS RUNNING ROUGH...WHEN THE ENGINE STARTED RUNNING WITH POWER AGAIN, I WAS TOO LOW.' THE PILOT DID NOT USE THE CARBURETOR HEAT CONTROL. THE TEMPERATURE WAS 82 DEG., AND THE DEW POINT WAS 71 DEG. THESE CONDITIONS ARE FAVORABLE TO THE FORMATION OF CARBURETOR ICING, ACCORDING TO THE FAA CHART ICING PROBABILITY CHART.

Probable Cause: THE PILOT'S IMPROPER USE OF CARBURETOR HEAT, RESULTING IN CARBURETOR ICE FORMATION AND SUBSEQUENT LOSS OF ENGINE POWER AND A FORCED LANDING IN TREES.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: NYC91LA217
Status: Investigation completed
Duration: 1 year and 8 months
Download report: Final report

Sources:

NTSB NYC91LA217

Revision history:

Date/timeContributorUpdates
19-Mar-2024 17:04 ASN Update Bot Added

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