Accident de Havilland Canada DHC-8-102 N826PH, Wednesday 26 March 1997
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Date:Wednesday 26 March 1997
Time:10:50 LT
Type:Silhouette image of generic DH8A model; specific model in this crash may look slightly different    
de Havilland Canada DHC-8-102
Owner/operator:Horizon Air
Registration: N826PH
MSN: 214
Total airframe hrs:18016 hours
Engine model:P&W PW120A
Fatalities:Fatalities: 0 / Occupants: 12
Other fatalities:0
Aircraft damage: Substantial
Category:Accident
Location:Wenatchee, WA -   United States of America
Phase: Taxi
Nature:Unknown
Departure airport:Moses Lake, WA (MWH
Destination airport:(KEAT)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
After an uneventful landing, the pilot was cleared to taxi to the terminal. During the taxi, a ground marshaller signaled for the airplane to be turned (left) toward the northwest. The flight crew initiated a left turn. During the turn, the right wing tip of the airplane collided with a wing deicing cart. The cart tumbled and bounced back toward the trailing edge of the right wing. A portion of the cart impaled the right aileron, causing substantial damage. The captain and first officer did not see the deice cart in time to stop the right wing from striking it during the turn. Subsequent investigation revealed that the marshaller was using a spot on the ramp to park the accident airplane that was intended to be used for a smaller aircraft. Also, the ramp area at the airport did not have any lead-in lines or markings to provide taxi guidance, nor was a 'safe movement' zone designated. Additionally, the decing cart had been noted as a potential hazard by the previous station manager; however, it was not moved because of its needed proximity to an electrical source.

Probable Cause: failure of the ground marshaller to marshal the airplane into a correct parking place on the ramp, her failure to verify clearance between the right wing of the airplane and the ground de-ice cart, and failure of the flight crew to ensure clearance of the right wing as the airplane was being taxied into the parking place. Factors relating to the accident include: a congested ramp facility, and inadequate ramp markings.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: SEA97LA077
Status: Investigation completed
Duration: 1 year and 2 months
Download report: Final report

Sources:

NTSB SEA97LA077

Location

Revision history:

Date/timeContributorUpdates
12-Mar-2024 19:12 ASN Update Bot Added

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