# NTSB Accident IAD01LA067
> **de Havilland DH-82 Tiger Moth** · 2001-06-16 · Allamuchy, NJ, USA · NONE
## Event
- **NTSB number:** IAD01LA067
- **Event ID:** 20010629X01291
- **Type:** Accident
- **Date:** 2001-06-16
- **Location:** Allamuchy, NJ, USA
- **Coordinates:** 40.920833, -74.862503
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** de Havilland
- **Model:** DH-82 Tiger Moth
- **Registration:** N4797
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The loss of engine power over unsuitable terrain due to an exhaust valve stuck in the open position.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=IAD01LA067) · AI Analytics · CC0 1.0*