# NTSB Accident CHI99LA262
> **Beech C-45H** · 1999-07-28 · GRAIN VALLEY, MO, USA · NONE
## Event
- **NTSB number:** CHI99LA262
- **Event ID:** 20001212X19219
- **Type:** Accident
- **Date:** 1999-07-28
- **Location:** GRAIN VALLEY, MO, USA
- **Coordinates:** 39.000965, -94.199707
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Beech
- **Model:** C-45H
- **Registration:** N72409
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

the failure of the pilot to use the tailwheel lock on takeoff, creating a condition where it was not possible for the pilot to maintain directional control.  Factors were the unlocked tailwheel and the ditch.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI99LA262) · AI Analytics · CC0 1.0*