# NTSB Accident FTW97LA226
> **Robinson R22 BETA** · 1997-06-14 · SAN ANTONIO, TX, USA · NONE
## Event
- **NTSB number:** FTW97LA226
- **Event ID:** 20001208X08125
- **Type:** Accident
- **Date:** 1997-06-14
- **Location:** SAN ANTONIO, TX, USA
- **Coordinates:** 29.539806, -98.489593
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22 BETA
- **Registration:** N4041W
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The flight instructor's inadequate supervision during the practice autorotation and his failure to maintain rotor RPM.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW97LA226) · AI Analytics · CC0 1.0*