# NTSB Accident LAX90LA065
> **HUGHES 269C** · 1990-01-06 · RIALTO, CA, USA · NONE
## Event
- **NTSB number:** LAX90LA065
- **Event ID:** 20001212X22433
- **Type:** Accident
- **Date:** 1990-01-06
- **Location:** RIALTO, CA, USA
- **Coordinates:** 34.159988, -117.390434
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** HUGHES
- **Model:** 269C
- **Registration:** N7456F
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE LACK OF ADEQUATE SUPERVISION BY THE INSTRUCTOR PILOT DURING A CRITICAL PHASE OF FLIGHT WHEN HE ALLOWED A STUDENT TO PERFORM IN AN UNSAFE MANNER WITHOUT TAKING IMMEDIATE CORRECTIVE ACTION.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90LA065) · AI Analytics · CC0 1.0*