No fatalities

8 Dec 2013: BURKHART GROB G 103 TWIN II — NORTHERN CALIFORNIA SOARING ASSOCIATION — Bryon, CA

Bryon, CA, United States

On 8 Dec 2013, a BURKHART GROB G 103 TWIN II operated by NORTHERN CALIFORNIA SOARING ASSOCIATION was involved in an aviation accident near Bryon, CA. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to maintain adequate wing clearance from a runway sign while taxiing. This summary draws on records from NTSB; 13 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

A student pilot reported that during landing, the glider touched down left of centerline. While turning left to a taxiway, the left wing struck a runway sign, causing the glider to exit the runway and sustain substantial damage to the left wing.

Accident Details

A student pilot was landing a glider. The landing occurred on a runway, and the glider touched down slightly to the left of the runway centerline.

Sequence of Events

The student pilot engaged the brakes and steered the glider toward the right side of the runway in preparation for a turn. Upon approaching the taxiway entrance, the pilot released the brakes and initiated a left turn. During the turn, the left wing of the glider struck a runway sign. This impact caused the glider to make a sharp left turn, exit the runway surface, and come to rest on the grass adjacent to the runway.

Damage

As a result of the accident sequence, the left wing sustained substantial damage. No other damage was specified.

Pilot Report

The pilot reported that there were no mechanical malfunctions or failures with the airframe that would have precluded normal operation.

Contributing factors

Causes

Student/instructed pilotPerformance/control parameters — Not attained/maintained

Other contributing factors

Contributed to outcome