# NTSB Accident GAA18CA573
> **Hiller UH 12E** · 2018-09-20 · Frankfort, KS, USA · NONE
## Event
- **NTSB number:** GAA18CA573
- **Event ID:** 20180925X94854
- **Type:** Accident
- **Date:** 2018-09-20
- **Location:** Frankfort, KS, USA
- **Coordinates:** 39.705554, -96.416946
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Hiller
- **Model:** UH 12E
- **Registration:** N1349A
- **FAR Part:** 133
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The ground crewmember's improper grabbing of the hovering helicopter's skid during an external load hook-up, which resulted in the helicopter descending and the main rotors striking ground equipment.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=GAA18CA573) · AI Analytics · CC0 1.0*