# NTSB Accident CHI94LA175
> **HUGHES 269B** · 1994-05-25 · TOULON, IL, USA · MINR
## Event
- **NTSB number:** CHI94LA175
- **Event ID:** 20001206X01253
- **Type:** Accident
- **Date:** 1994-05-25
- **Location:** TOULON, IL, USA
- **Coordinates:** 41.089462, -89.860443
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** HUGHES
- **Model:** 269B
- **Registration:** N9375S
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the improper reassembly of the main rotor blade dampers and the underservicing of the landing gear skid hydraulic struts which resulted in ground resonance of the helicopter when the first takeoff after reassembly was attempted.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI94LA175) · AI Analytics · CC0 1.0*