Raytheon Aircraft Company G36 accident near Benicia, CA

On September 9, 2017, a Raytheon Aircraft Company G36 (airplane) was involved in an accident near Benicia, CA. 2 people died. Damage to the aircraft: substantial.

Date
September 9, 2017
Place
Benicia, CA
Aircraft
Raytheon Aircraft Company G36 · Airplane
Injuries
2 fatal, 0 serious, 0 minor
Damage
Substantial
Position
38.107°N, 122.126°W
NTSB ID
20170910X02711

Official records · WPR17FA200

NTSB summary

HISTORY OF FLIGHTOn September 9, 2017, about 1413 Pacific daylight time, a Raytheon Aircraft Company G36 airplane, N7215J, sustained substantial damage when it impacted terrain in Benicia, California about 9 miles northwest of the Buchanan Field Airport (CCR), Concord, California. The private pilot and passenger were fatally injured. The airplane was registered to Vallee Development Corporation and the pilot was operating the airplane as a Title 14 Code of Federal Regulations Part 91 personal flight. Visual meteorological conditions prevailed at the time of the accident, and no flight plan had been filed for the cross-country flight. The flight originated from CCR about 1406 and was destined for California Redwood Coast-Humboldt County Airport, Arcata-Eureka, California. Radar data revealed that the airplane departed from CCR on a northwest heading, which was consistent with its intended destination. The first few minutes of the data showed the airplane in a climb. The surface winds in the area were about 330° at 12 knots, which would give the airplane about a 12-knot headwind during climb out. The airplane continued the climb to a maximum altitude of about 2,500 ft mean sea level (msl). The last two minutes of the data revealed that the airplane's ground speed began to decrease as the airplane was nearing its level off altitude. During the last 15 seconds of data, the airplane's ground speed further decreased. At 1412:29, when the airplane was at an altitude of 2,400 ft msl, the ground speed was 69 knots; at 1412:32, the airplane was still at an altitude of 2,400 ft msl, b

Probable cause

The pilot's failure to maintain adequate airspeed which caused the airplane to exceed its critical angle of attack and led to an aerodynamic stall.

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