# NTSB Accident LAX88FA169
> **PIPER PA-31-350** · 1988-04-27 · HAYWARD, CA, USA · SERS
## Event
- **NTSB number:** LAX88FA169
- **Event ID:** 20001213X25490
- **Type:** Accident
- **Date:** 1988-04-27
- **Location:** HAYWARD, CA, USA
- **Coordinates:** 37.669384, -122.079513
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** PIPER
- **Model:** PA-31-350
- **Registration:** N3588Y
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** DEST
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

PILOT'S FAILURE TO DETECT AN UNCOMMANDED PROPELLER FEATHERING PROCEDURES ESTABLISHED IN THE PILOT'S OPERATING HANDBOOK.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX88FA169) · AI Analytics · CC0 1.0*