# NTSB Accident CHI99LA257
> **Schweizer 269C** · 1999-07-27 · JETMORE, KS, USA · NONE
## Event
- **NTSB number:** CHI99LA257
- **Event ID:** 20001212X19215
- **Type:** Accident
- **Date:** 1999-07-27
- **Location:** JETMORE, KS, USA
- **Coordinates:** 38.080951, -99.889755
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Schweizer
- **Model:** 269C
- **Registration:** N88007
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The pilot's use of improper procedures by not following the helicopter manufacturer's recommended engine RPM reduction procedures during autorotations.  A factor was the pilot not attaining the proper rotor RPM during the autorotation practice.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI99LA257) · AI Analytics · CC0 1.0*