Bell 47G accident near Pendleton, OR

On December 10, 1996, a Bell 47G (helicopter) was involved in an accident near Pendleton, OR. 2 people died. Damage to the aircraft: destroyed.

Date
December 10, 1996
Place
Pendleton, OR
Aircraft
Bell 47G · Helicopter
Injuries
2 fatal, 0 serious, 0 minor
Damage
Destroyed
Position
45.731°N, 118.789°W
NTSB ID
20001208X07244

NTSB summary

HISTORY OF FLIGHT On December 10, 1996, about 0930 Pacific standard time, N4758R, a Bell 47G helicopter, operated by Wildhorse Helicopters, Inc. as a restricted category aircraft, impacted terrain and was destroyed while maneuvering north of Pendleton, Oregon. Both commercial pilots were fatally injured. Instrument meteorological conditions prevailed and no flight plan had been filed. The positioning flight was conducted under 14 CFR 91. According to the tower manager at the contract air traffic control tower at the Eastern Oregon Regional Airport, the accident pilot had radioed a request for a takeoff clearance from the airport about 7:30 a.m. on the morning of the accident. The tower manager provided the clearance. He remembered that the clearance was for a flight of two helicopters. He observed the two helicopters hover taxi to the south end of the taxiway, then take off in formation to the north. He stated that the weather conditions were "beautiful" at the time of the takeoff. According to local law enforcement personnel reports and their interview of an operator employee (attached), both helicopters flew to a ranch located north of Pendleton to conduct agricultural spraying operations on the morning of the accident. The weather conditions gradually worsened during the morning as fog began to roll in. Both pilots ceased their spraying and landed their helicopters at the ranch. An employee downloaded the spray chemicals out of the accident helicopter, and the pilot of the other helicopter and a dog boarded the accident helicopter with the intention of flying back to the

Probable cause

The pilot-in-command's attempt to conduct visual flight into instrument meteorological conditions, and his failure to maintain altitude/clearance with hilly terrain. A contributing factor in the accident was the presence of fog.

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