Glider ground impact during low approach maneuver

Casualties unknown • Durango, CO, US

A glider sustained substantial damage after the pilot attempted a low-altitude approach and pull-up maneuver that resulted in a wing strike.

What happened

While approaching the airport, the pilot informed a passenger of his intention to perform a low approach over the landing strip before taking off again. The crew flew over the field to assess the wind conditions, which were observed to be calm.

The pilot decided to execute a low approach over the field followed by a turn to land. During the pull-up phase of this maneuver, the pilot anticipated gaining at least 300 feet of altitude, but the aircraft only gained 100 feet. At this altitude, the glider was positioned over a river with trees ahead.

As the pilot attempted to maneuver back toward the runway, the right wing impacted the ground. The aircraft then cartwheeled, resulting in substantial damage. There were no reported injuries.

Findings

The pilot's attempt to execute a low approach resulted in insufficient altitude gain.
The right wing struck the terrain during the turn back to the runway.

Probable cause

The pilot's decision to perform a low-altitude approach and pull-up maneuver, which resulted in insufficient altitude gain to clear obstacles during the turn back to the runway.

Frequently asked questions

What happened in the 2004-06-03 Let BLANIK L-13 accident near Durango, CO?

A glider sustained substantial damage after the pilot attempted a low-altitude approach and pull-up maneuver that resulted in a wing strike.

What aircraft was involved and where did it happen?

The accident on 2004-06-03 involved a Let BLANIK L-13, registration N99860, at Durango, CO.

What was the probable cause of the accident?

The pilot's decision to perform a low-altitude approach and pull-up maneuver, which resulted in insufficient altitude gain to clear obstacles during the turn back to the runway.

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