# NTSB Accident LAX99LA186
> **Robinson R22A** · 1999-05-19 · SAN LUIS OBISPO, CA, USA · MINR
## Event
- **NTSB number:** LAX99LA186
- **Event ID:** 20001212X18815
- **Type:** Accident
- **Date:** 1999-05-19
- **Location:** SAN LUIS OBISPO, CA, USA
- **Coordinates:** 35.250358, -120.619186
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 2
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** Robinson
- **Model:** R22A
- **Registration:** N8558N
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The student's inadvertent and uncoordinated application of forward cyclic during an autorotation flare, which resulted in a loss of main rotor rpm; and the flight instructor's inadequate supervision.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX99LA186) · AI Analytics · CC0 1.0*