# NTSB Accident ERA10LA437
> **PIPER J3C-65** · 2010-08-21 · Williamstown, NJ, USA · MINR
## Event
- **NTSB number:** ERA10LA437
- **Event ID:** 20100823X13641
- **Type:** Accident
- **Date:** 2010-08-21
- **Location:** Williamstown, NJ, USA
- **Coordinates:** 39.655555, -75.014442
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** PIPER
- **Model:** J3C-65
- **Registration:** N209RC
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The partial loss of engine power during takeoff due to weak spark plugs on the No. 1 cylinder.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ERA10LA437) · AI Analytics · CC0 1.0*