# NTSB Accident LAX89DUG03
> **VAN'S/FISH RV-4** · 1989-03-21 · HESPERIA, CA, USA · FATL
## Event
- **NTSB number:** LAX89DUG03
- **Event ID:** 20001213X27904
- **Type:** Accident
- **Date:** 1989-03-21
- **Location:** HESPERIA, CA, USA
- **Coordinates:** 34.359806, -117.319366
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** VAN'S/FISH
- **Model:** RV-4
- **Registration:** N239X
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE PILOT'S FAILURE TO PROPERLY LATCH THE CANOPY PRIOR TO TAKEOFF AND BY ALLOWING THE AIRCRAFT TO ENTER INTO A STALL DURING A CRITICAL PHASE OF FLIGHT AT AN ATTITUDE INSUFFICIENT TO RECOVER SAFELY. A FACTOR IN THE ACCIDENT WAS THE LOSS OF HIS EYEGLASSES WHEN THE CANOPY DEPARTED THE AIRCRAFT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX89DUG03) · AI Analytics · CC0 1.0*