# NTSB Accident MIA01LA055
> **Hiller UH-12E** · 2001-01-05 · Cleveland, TN, USA · NONE
## Event
- **NTSB number:** MIA01LA055
- **Event ID:** 20010109X00066
- **Type:** Accident
- **Date:** 2001-01-05
- **Location:** Cleveland, TN, USA
- **Coordinates:** 35.169586, -84.859611
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Hiller
- **Model:** UH-12E
- **Registration:** N112EC
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The PIC's failure to follow safe operating procedures for the maintenance of the rotorcraft's external aerial application equipment,  resulting in inadvertent activation of collective as he egressed the rotorcraft,  causing unmanned flight, in-flight break-up, and collision with terrain.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA01LA055) · AI Analytics · CC0 1.0*