Accident Bellanca 17-31ATC Turbo Super Viking 300A N123SS,
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ASN Wikibase Occurrence # 35732
 
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Date:Sunday 1 December 1996
Time:09:20 LT
Type:Silhouette image of generic BL17 model; specific model in this crash may look slightly different    
Bellanca 17-31ATC Turbo Super Viking 300A
Owner/operator:Albert J. Townsend
Registration: N123SS
MSN: 74-31079
Total airframe hrs:1895 hours
Engine model:Lycoming 17-31ATC
Fatalities:Fatalities: 3 / Occupants: 4
Aircraft damage: Substantial
Category:Accident
Location:Fitzgerald, GA -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:(KFZG)
Destination airport:West Palm Beach, FL
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot could not recall the accident flight and there were no impact witnesses. He stated it was misting rain during loading & engine run-up. He also noted a weather front moving in from the north, and clear to the southeast. Relatives helped load the airplane, watched it depart, then drove to Florida. After an unknown elapsed time, an ear witness heard fluctuating engine sounds followed by an impact. He found the airplane south of runway 19. The airplane had impacted in a steep left wing & nose down attitude. Subsequent investigation revealed the intake air box alternate air door broken loose. A fresh fracture was evident on the door hinge. The spark plugs were sooted. The fuel injection system tested within limits.

Probable Cause: A loss of engine power due to the blockage of the intake manifold of the induction air system, by the broken alternate air door, and the loss of aircraft control for undetermined reasons.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ATL97FA021
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report

Sources:

NTSB ATL97FA021

Location

Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:22 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
08-Apr-2024 17:48 ASN Update Bot Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report]

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