Anderson Aircraft Corp. RANS S-12 accident near Bowmont, ID

On July 17, 1999, an Anderson Aircraft Corp. RANS S-12 (airplane) was involved in an accident near Bowmont, ID. 2 people died. Damage to the aircraft: destroyed.

Date
July 17, 1999
Place
Bowmont, ID
Aircraft
Anderson Aircraft Corp. RANS S-12 · Airplane
Injuries
2 fatal, 0 serious, 0 minor
Damage
Destroyed
Position
43.430°N, 116.321°W
NTSB ID
20001212X19375

NTSB summary

On July 17, 1999, about 1400 mountain daylight time, an Anderson Rans S-12, N9230X, registered to and operated by the pilot as a 14 CFR Part 91 personal flight, collided with the terrain near Bowmont, Idaho. Visual meteorological conditions prevailed at the time and no flight plan was filed. The aircraft was destroyed by a post-crash fire. The private pilot and passenger were fatally injured. The flight originated from Nampa, Idaho, about 30 minutes prior to the accident. Several witnesses in the area observed the aircraft flying above the tree line, when the nose suddenly dropped and the airplane descended in a near-vertical attitude to the ground. One witness stated that he observed the airplane, approximately one minute before the collision, performing "S" turns along a road. The witnesses that heard the engine sound reported that the engine was "wound up;" "just a run-away motor, like airplane in a stall and full throttle," and "heard a different engine noise and then a thud." The Idaho State Police Officer who responded to the accident site documented the wreckage prior to rescue personnel's disturbance of the wreckage to remove the victims. The reporting officer stated that the nose of the airplane was pointing to the east. The fuselage remained upright. Fire damage was noted to the cockpit area and the leading edges of both wings. A groove located approximately one foot in front of the right wing was noted in the dirt. The leading edge of the left wing remained imbedded in the soil. The trailing edge of the left wing had folded forward. The mid-section of the fuselag

Probable cause

Aircraft control was not maintained while maneuvering at low altitude. An inadvertent stall was a factor.

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