# NTSB Accident MIA99LA121
> **Frederick Sweet ROTORWAY EXEC** · 1999-04-08 · FORT MYERS, FL, USA · NONE
## Event
- **NTSB number:** MIA99LA121
- **Event ID:** 20001205X00526
- **Type:** Accident
- **Date:** 1999-04-08
- **Location:** FORT MYERS, FL, USA
- **Coordinates:** 26.670562, -81.759788
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Frederick Sweet
- **Model:** ROTORWAY EXEC
- **Registration:** N31788
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot-in-command's failure to maintain aircraft control after the ground tie chain separated during engine run and hovering operations.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA99LA121) · AI Analytics · CC0 1.0*