# NTSB Accident DEN00LA056
> **Piper PA-18-150** · 2000-03-12 · BELEN, NM, USA · NONE
## Event
- **NTSB number:** DEN00LA056
- **Event ID:** 20001212X20612
- **Type:** Accident
- **Date:** 2000-03-12
- **Location:** BELEN, NM, USA
- **Coordinates:** 34.649974, -106.770141
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Piper
- **Model:** PA-18-150
- **Registration:** N4069Z
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A loss of engine power due to low cylinder compression from an open exhaust valve, and the pilot's failure to lean the fuel mixture.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=DEN00LA056) · AI Analytics · CC0 1.0*