# NTSB Accident LAX90DXQ05
> **GLASER-DIRKS DG 400/17** · 1990-09-23 · TRUCKEE, CA, USA · MINR
## Event
- **NTSB number:** LAX90DXQ05
- **Event ID:** 20001212X24290
- **Type:** Accident
- **Date:** 1990-09-23
- **Location:** TRUCKEE, CA, USA
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** GLASER-DIRKS
- **Model:** DG 400/17
- **Registration:** N567DA
- **FAR Part:** 091
- **Engines:** 0
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE UNCOMMANDED DEPLOYMENT OF THE RIGHT SPOILER SYSTEM DUE TO THE ABSENCE OF A SPRING PIN NOT FITTED TO THE QUICK DISCONNECT AS RECOMMENDED WHICH RESULTED IN THE PILOT LOSING CONTROL OF THE GLIDER DURING A CRITICAL PHASE OF FLIGHT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90DXQ05) · AI Analytics · CC0 1.0*