# NTSB Accident MIA96LA209
> **Hughes 269A** · 1996-08-10 · COTTONDALE, FL, USA · SERS
## Event
- **NTSB number:** MIA96LA209
- **Event ID:** 20001208X06579
- **Type:** Accident
- **Date:** 1996-08-10
- **Location:** COTTONDALE, FL, USA
- **Coordinates:** 30.790853, -85.369514
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 1
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Hughes
- **Model:** 269A
- **Registration:** N8784F
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

improper assembly of the main rotor blade dampners by a mechanic which resulted in the helicopter being damaged by ground resonance.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA96LA209) · AI Analytics · CC0 1.0*