# NTSB Accident WPR18LA269
> **Robinson R44** · 2018-09-18 · Wahiawa, HI, USA · NONE
## Event
- **NTSB number:** WPR18LA269
- **Event ID:** 20180919X15343
- **Type:** Accident
- **Date:** 2018-09-18
- **Location:** Wahiawa, HI, USA
- **Coordinates:** 21.526666, -158.032226
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** Robinson
- **Model:** R44
- **Registration:** N632NV
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

Loss of oil in flight as a result of a loose oil filter adapter which resulted in the pilot initiating an immediate landing to an open field. Contributing to the accident was the pilot's manipulation of the throttle that led to a reduction in rotor rpm, which resulted in his inability to perform a normal landing.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR18LA269) · AI Analytics · CC0 1.0*