# NTSB Accident LAX92LA005
> **ROBINSON R22B** · 1991-10-04 · HONOLULU, HI, USA · NONE
## Event
- **NTSB number:** LAX92LA005
- **Event ID:** 20001212X18315
- **Type:** Accident
- **Date:** 1991-10-04
- **Location:** HONOLULU, HI, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** ROBINSON
- **Model:** R22B
- **Registration:** N900AB
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE IMPROPER USE OF THE FLIGHT CONTROLS BY THE INSTRUCTOR PILOT ND THE FAILURE TO MAINTAIN PROPER ROTOR RPM.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX92LA005) · AI Analytics · CC0 1.0*