No fatalities

19 Jul 2011: SCHLEICHER ASW-27 — CUMIFORD JAMES H JR — Brigham City, UT

Brigham City, UT, United States

On 19 Jul 2011, a SCHLEICHER ASW-27 operated by CUMIFORD JAMES H JR was involved in an aviation accident near Brigham City, UT. No fatalities were reported. Investigators recorded the probable cause as: The glider pilot did not take timely action to locate a safe outlanding area after entering an area where atmospheric lift was not sufficient to maintain soaring flight. This summary draws on records from NTSB; 7 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 1778583330Data APIEditorial standards

A glider pilot participating in a soaring contest attempted an off-airport landing on unsuitable terrain after failing to jettison water ballast or reverse course. The glider struck hidden boulders, causing a ground loop and substantial damage.

Accident Details

During a soaring contest, a glider pilot encountered an area where atmospheric lift was insufficient. Rather than jettisoning the glider's water ballast to reduce its sink rate and reversing course toward better outlanding fields, the pilot continued on the contest course and task. This decision ultimately led to a location where an off-airport landing was attempted on unsuitable terrain.

Sequence of Events

Immediately upon touchdown, the glider encountered several small boulders hidden in the grass. The left wing tip snagged in tall grass, resulting in a loss of directional control. During the ensuing ground loop, both wings sustained substantial damage, and the empennage tail boom separated from the main part of the fuselage.

Contributing factors

Causes

Pilot

Other contributing factors

Contributed to outcomeEffect on operation