# NTSB Accident GAA16CA317
> **RYAN NAVION** · 2016-06-13 · McMinnville, OR, USA · MINR
## Event
- **NTSB number:** GAA16CA317
- **Event ID:** 20160614X43444
- **Type:** Accident
- **Date:** 2016-06-13
- **Location:** McMinnville, OR, USA
- **Coordinates:** 45.225833, -123.115554
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** RYAN
- **Model:** NAVION
- **Registration:** N4171K
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's failure to replace the oil filler cap following the preflight inspection, which resulted in a loss of engine oil and engine power, an emergency landing, and impact with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA16CA317) · AI Analytics · CC0 1.0*