# NTSB Accident FTW01LA039
> **Robinson R22** · 2000-12-17 · SUNNYVALE, TX, USA · NONE
## Event
- **NTSB number:** FTW01LA039
- **Event ID:** 20001226X45485
- **Type:** Accident
- **Date:** 2000-12-17
- **Location:** SUNNYVALE, TX, USA
- **Coordinates:** 32.790744, -96.549812
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22
- **Registration:** N7187W
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The flight instructor's inadequate supervision of his student and his failure to maintain control of the helicopter. Factors were the student pilot allowing the airspeed and main rotor RPM to get too low during the simulated emergency.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=FTW01LA039) · AI Analytics · CC0 1.0*