Accident Cessna 170A N9540A,
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ASN Wikibase Occurrence # 355352
 
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Date:Saturday 23 August 1997
Time:18:00 LT
Type:Silhouette image of generic C170 model; specific model in this crash may look slightly different    
Cessna 170A
Owner/operator:Private
Registration: N9540A
MSN: 19101
Year of manufacture:1949
Total airframe hrs:2213 hours
Engine model:Continental C-145-2
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Iliamna, AK -   United States of America
Phase: Take off
Nature:Private
Departure airport:(AK04)
Destination airport:Anchorage, AK (ANC
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The pilot was departing to the west from a remote airport in a tail-wheel equipped airplane. He reported that initially, there was a left quartering wind (about 25 degrees left of the runway heading) at about 25 knots. During the takeoff roll, the pilot held the airplane on the ground for about 1,100 feet and attained an airspeed of 70 MPH. He indicated the airplane suddenly veered off the left side of the runway. The right main landing gear collapsed, and the right wing struck the ground. After the accident, the pilot noticed the wind was blowing from the north at an estimated velocity of 25 knots. The Facility Directory for the airport included a caution for strong winds, severe turbulence, and possible wind shear.

Probable Cause: the pilot's inadequate compensation for wind conditions, and his failure to maintain directional control of the airplane, which resulted in a ground swerve and overload failure of the right main landing gear. Factors related to the accident were: the crosswind, and sudden windshift.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ANC97LA130
Status: Investigation completed
Duration: 10 months
Download report: Final report

Sources:

NTSB ANC97LA130

Location

Revision history:

Date/timeContributorUpdates
12-Mar-2024 11:05 ASN Update Bot Added

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