# NTSB Accident LAX05FA264
> **San Joaquin Helicopters OH-58A+** · 2005-08-10 · Lancaster, CA, USA · FATL
## Event
- **NTSB number:** LAX05FA264
- **Event ID:** 20050817X01264
- **Type:** Accident
- **Date:** 2005-08-10
- **Location:** Lancaster, CA, USA
- **Coordinates:** 34.707778, -118.032501
## Injuries
- **Highest injury:** FATL
- **Fatal:** 1
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** San Joaquin Helicopters
- **Model:** OH-58A+
- **Registration:** N177SJ
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAWN
- **Weather:** VMC
## Probable cause

The pinion to turbine shaft coupling failed in fatigue due to a misaligned turbine shaft, which resulted in a loss of engine power.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX05FA264) · AI Analytics · CC0 1.0*