Avia Stroitel AC-4B accident near Wenatchee, WA

On June 11, 2005, an Avia Stroitel AC-4B (glider) was involved in an accident near Wenatchee, WA. 1 person died. Damage to the aircraft: destroyed.

Date

June 11, 2005

Place

Wenatchee, WA

Aircraft

Avia Stroitel AC-4B · Glider

Injuries

1 fatal, 0 serious, 0 minor

Damage

Destroyed

Position

47.424°N, 120.142°W

NTSB ID

20050616X00794

NTSB summary

On June 11, 2005, at an estimated 1430 Pacific daylight time, an Avia Stroitel AC-4B glider, N1198Z, was destroyed when it impacted terrain near Wenatchee, Washington. The student pilot, the sole occupant in the aircraft, was fatally injured. Cascade Soaring Society, Inc., was operating the glider under 14 CFR Part 91. Visual meteorological conditions prevailed for the local solo instructional flight. The flight originated from Wenatchee, Washington, approximately 60 minutes before the accident. No flight plan was filed. The pilot's flight instructor said that the student pilot had approximately 12 hours of flight experience over 18 training flights; he said that this was the student pilot's first flight in this make and model of aircraft. The student pilot was scheduled to fly a one hour flight. When he did not return, a search airplane departed and found the glider on the back side of a mountain ridge approximately 3 nautical miles from the airport. The tow-pilot that towed the glider airborne said that on the ground, the wind was variable from 240 degrees to 280 degrees at 11 to 13 knots. He further stated that the student "did a great job [on departure], he was in position all the time." The tow-pilot said that when he passed through 4,250 feet, the student released from the tow rope. He said that the "ridge lift" just northeast of the airport was "very good." Another glider pilot, flying in the same area, reported that the winds at 6,000 to 7,000 feet were out of the west at 6 to 7 knots. The Douglas County Corner, from Wenatchee, Washington, ordered an autopsy to be d

Probable cause

The pilot's failure to maintain terrain clearance for undetermined reasons.

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Source: NTSB aviation accident database (US government, public domain). Findings may be preliminary or later revised by the NTSB. Not a complete global record.