Accident Air Tractor AT-301 N4422S,
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ASN Wikibase Occurrence # 292067
 
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Date:Thursday 13 July 2006
Time:08:40 LT
Type:Silhouette image of generic AT3P model; specific model in this crash may look slightly different    
Air Tractor AT-301
Owner/operator:Private
Registration: N4422S
MSN: 301-0082
Total airframe hrs:6045 hours
Engine model:Pratt & Whitney R-1340-AN-1
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Holcomb, Kansas -   United States of America
Phase: Unknown
Nature:Agricultural
Departure airport:Holcomb, KS
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
Prior to departure from the private asphalt airstrip, the airplane contained 50 gallons of fuel and 150 gallons of chemical. Approximately 70 feet above ground level (agl) during initial takeoff climb, the engine "started to miss and backfire, causing a loss of climb power." Due to power lines in the airplane's flight path, the pilot reduced throttle, extended full flaps, and initiated a forced landing to a field. During the forced landing, the airplane "landed fast," and impacted soft, rolling terrain. The magnetos were functionally tested and mechanical continuity throughout the engine was confirmed. The reason for the partial loss of engine power was not determined.

Probable Cause: the partial loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: DEN06LA097
Status: Investigation completed
Duration: 5 months
Download report: Final report

Sources:

NTSB DEN06LA097

Revision history:

Date/timeContributorUpdates
08-Oct-2022 14:04 ASN Update Bot Added

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