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Incident Name: 46,000-acre Dinkleman Fire
Date:  9/9/1988
Personnel: 2 lives lost
Age: 
Agency/Organization: Vancouver Island Helicopters of Victoria, BC, leased by the Washington DNR
Position: aerial firefighter

Summary:

Lincoln McGowan, 30, from Canada
Jean Verville, 32, from Canada

On 9/9/1988, the Bell 204B helicopter piloted by Lincoln McGowan and accompanied by new apprentice pilot Jean Verville -- who was flying that type of ship for the first time -- had just picked up 1,200 pounds of fuel in Entiat. They were flying over an already-burned area with water bucket empty when it snagged the trees and crashed near the top of Entiat Ridge. Both pilots were killed.

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Maps

General Area: near the top of Entiat Ridge, about 15 mi N of Wenatchee, WA

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Reports, Documentation, Lessons Learned

  • Concise Information from the research by the WLF Staff:
    • 9/9/1988
    • 2 killed: Lincoln McGowan, 30, from Canada; Jean Verville, 32, from Canada
    • Operator: Vancouver Island Helicopters of Victoria, BC
    • Type: Bell 204B, HU-204 "Huey"
    • Location: near the top of Entiat Ridge, about 15mi N of Wenatchee, WA
    • Registration # CFAHY
    • NTSB # SEA88FA176
  • National Transportation Safety Board: Factual Report (78 K pdf)
  • National Transportation Safety Board: Probable Cause brief (html)
  • The National Transportation Safety Board determines the probable cause(s) of this accident to be:
    • Rotor drive system, main rotor mast (drive shaft) .. fractured
    • Cyclic .. improper use of .. Copilot/Second pilot
  • Contributing Factors
    • Terrain condition .. mountainous/hilly
    • Weather condition .. high wind
    • Weather condition .. gusts
    • Weather condition .. mountain wave
    • Supervision .. inadequate .. Pilot in Command
    • Lack of total experience in type of aircraft .. Copilot/Second pilot
    • Crew/Group coordination .. Inadequate .. Pilot in command
  • For more information consult the NTSB online lookup Utility Use NTSB Identification: SEA88FA176
  • Flight Safety Foundation (flightsafety.org): Flight Safety Digest, Vol 25, No. 6, Nov-Dec 1999, Rotor Wing Accidents 1974-1998 (102 K pdf)

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Wildlandfire.com Links:

 

 

 

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Media Articles and Reports

Bell-204B Helicopter missing Bell-204B Helicopter missing
Bell-204B Helicopter missing Bell-204B Helicopter missing
Bell-204B Helicopter missing Bell-204B Helicopter missing

Names of the lost pilots

Lincoln McGowan & Jean Verville LODDs Lincoln McGowan & Jean Verville LODDs

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Photos, Videos, & Tributes

 

 

 

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Contributors to this article: roadrunner

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