# NTSB Accident WPR09LA197
> **RAYTHEON AIRCRAFT COMPANY A36** · 2009-04-16 · Lopez Island, WA, USA · NONE
## Event
- **NTSB number:** WPR09LA197
- **Event ID:** 20090416X73337
- **Type:** Accident
- **Date:** 2009-04-16
- **Location:** Lopez Island, WA, USA
- **Coordinates:** 48.433334, -122.883331
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** RAYTHEON AIRCRAFT COMPANY
- **Model:** A36
- **Registration:** N464TJ
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A loss of engine power during cruise flight due to oil starvation. The oil starvation event was due to the failure of maintenance personnel to tighten the aft mounting nuts for the newly installed propeller governor and the pilot’s failure to secure the oil filler cap during the preflight inspection.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR09LA197) · AI Analytics · CC0 1.0*