# NTSB Accident ATL92LA071
> **MOONEY M20D** · 1992-03-28 · CUMBERLAND IS., GA, USA · MINR
## Event
- **NTSB number:** ATL92LA071
- **Event ID:** 20001211X14226
- **Type:** Accident
- **Date:** 1992-03-28
- **Location:** CUMBERLAND IS., GA, USA
- **Coordinates:** 30.790128, -81.660499
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** MOONEY
- **Model:** M20D
- **Registration:** N1975Y
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE LOSS OF THE SPARK PLUG AT A CRITICAL POINT IN FLIGHT WHICH RESULTED FROM THE INADEQUATE OVERHAUL OF THE ENGINE BY AN UNKNOWN PERSON; AND THE INADVERTENT STALL OF THE AIRPLANE WHEN THE PILOT FAILED TO MAINTAIN AIRSPEED. A FACTOR WAS THE HIGH OBSTRUCTIONS (TREES) WHICH BOUNDED THE RUNWAY DEPARTURE THRESHOLD.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL92LA071) · AI Analytics · CC0 1.0*