# NTSB Accident LAX92LA131
> **GRUMMAN G-164A** · 1992-02-29 · VERNALIS, CA, USA · NONE
## Event
- **NTSB number:** LAX92LA131
- **Event ID:** 20001211X14143
- **Type:** Accident
- **Date:** 1992-02-29
- **Location:** VERNALIS, CA, USA
- **Coordinates:** 37.610275, -121.250549
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** GRUMMAN
- **Model:** G-164A
- **Registration:** N5408
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE OPERATOR'S FAILURE TO PROPERLY COMPLY WITH AN AIRWORTHINESS DIRECTIVE AFFECTING THE SECOND-STAGE TURBINE WHEEL ASSEMBLY.  CONTRIBUTING TO THIS ACCIDENT WAS THE UNCONTAINED FAILURE OF THE SECOND-STAGE TURBINE WHEEL AND THE ROUGH/UNEVEN TERRAIN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX92LA131) · AI Analytics · CC0 1.0*