# Accident 19930716024229A: Glasfl LIBELLE, Boulder, CO, July 16, 1993

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 16, 1993, 13:30 local time
- Place: Boulder, CO
- Airport: Boulder Municipal Airport
- Damage: Substantial damage
- Phase of flight: To Init Climb(1st Pwr Reduct)
- Operating rules: General operating rules (Part 91)
- Location: 40.0198° N, 105.2494° W: From the FAA, an estimate near the named town, within about 3 miles
- Nearby events: https://openairdocs.org/map.md?lat=40.0198&lon=-105.2494&mi=10
- Aircraft: N4362, registered now (https://openairdocs.org/aircraft/N4362) (OpenAirDocs)
- Registry model: Glasflugel STANDARD LIBELLE (registry code 3800341, https://openairdocs.org/model/glasflugel-standard-libelle) (OpenAirDocs)
- Registry engine: NONE (registry code 00000, https://openairdocs.org/engine/none) (OpenAirDocs)
- Reported make and model: GLASFL LIBELLE
- Fatal injuries: 0
- Pilot flight hours: 372 total
- NTSB investigation: [NTSB DEN93LA080](https://openairdocs.org/ntsb/DEN93LA080) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19930716024229A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

GLIDERS SPOILERS DEPLOYED UNDER TOW UNABLE TO RETRACT RELEASED FROM TOW. IMPACTED FIELD. SPOILERS WERE MISRIGGED.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DEN93LA080](https://openairdocs.org/ntsb/DEN93LA080), Jul 16, 1993: Glasflugel Standard Libell (N4362), Boulder, CO, substantial damage. Probable cause: IMPROPER RIGGING OF THE SPOILER SYSTEM BY MAINTENANCE PERSONNEL, WHICH CAUSED AN UNCOMMANDED SPOILER DEPLOYMENT AND PREVENTED SPOILER RETRACTION BY THE PILOT. A FACTOR WAS UNSUITABLE TERRAIN FOR A…

## Other reports on N4362 (1)

Matched to the same aircraft by N-number and date.

- [Incident 19820425014869I](https://openairdocs.org/incident/19820425014869I), Apr 25, 1982: Glasfl LIBELLE (N4362), Boulder, CO, Minor damage. Pilot made a hard landing. Pilot stated an enormous wind gust caused the hard landing.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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