# NTSB Accident MIA99LA204
> **Rockwell S-2R** · 1999-07-28 · ISOLA, MS, USA · SERS
## Event
- **NTSB number:** MIA99LA204
- **Event ID:** 20001212X19321
- **Type:** Accident
- **Date:** 1999-07-28
- **Location:** ISOLA, MS, USA
- **Coordinates:** 33.259288, -90.590255
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** Rockwell
- **Model:** S-2R
- **Registration:** N8482V
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAWN
- **Weather:** VMC
## Probable cause

Failure of the No. 4 cylinder due to a leaking intake valve resulting in loss of engine power and collision with a ditch while making a forced landing on unsuitable terrain. Contributing to the accident was improper maintenance adjustment of the engine valves and spark plugs.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA99LA204) · AI Analytics · CC0 1.0*