No fatalities

Glider Damaged After Tow Rope Disconnection During Solo Flight

Boulder, CO, United States

On September 9, 2008, a SCHWEIZER SGS 2-33A operated by Mile High Gliding Inc was involved in an aviation accident near Boulder, CO. No fatalities were reported. Investigators recorded the probable cause as: The pilot's failure to use the dive brake during landing resulting in a long landing and collision. This summary draws on records from NTSB; 13 related events involving the same aircraft type or operator are linked below.

SourcesNTSBPrimary reportUpdated 2026-08-03Data APIEditorial standards

During a fourth solo flight, a glider pilot experienced a ballooning event and tow rope disconnect at low altitude, leading to a long landing and substantial damage. No system anomalies were found.

Incident Overview

A glider pilot reported that during his fourth solo flight, while being towed aloft, the glider "ballooned" and drifted to the right. In response, the pilot repositioned the glider, which introduced slack in the tow rope. The rope subsequently disconnected from the glider at an altitude of approximately 10 feet above the ground.

Pilot Actions and Outcome

Following the disconnect, the pilot did not deploy the dive brake to increase descent rate. The glider touched down beyond the intended landing area, resulting in substantial damage to the aircraft. The pilot was uninjured.

Post-Accident Examination

A post-accident examination of the glider's systems was conducted by the Federal Aviation Administration (FAA). The inspection revealed no anomalies that could have contributed to the event.

Conclusion

No probable cause has been determined from the information provided. The accident sequence involved a loss of tow connection at low altitude and a subsequent landing that exceeded the available runway length.

Contributing factors

Causes

Descent rate — Not attained/maintainedStudent pilot

Other contributing factors

Contributed to outcome

Frequently asked questions

What happened in the 9 Sept 2008 SCHWEIZER SGS 2-33A accident near Boulder, CO?

During a fourth solo flight, a glider pilot experienced a ballooning event and tow rope disconnect at low altitude, leading to a long landing and substantial damage. No system anomalies were found.

Were there any fatalities in the 9 Sept 2008 SCHWEIZER SGS 2-33A accident?

No fatalities were recorded in this accident.

What aircraft was involved and where did it happen?

The accident on 9 Sept 2008 involved a SCHWEIZER SGS 2-33A, operated by Mile High Gliding Inc, at Boulder, CO.

What was the probable cause of the accident?

The pilot's failure to use the dive brake during landing resulting in a long landing and collision.