# NTSB Accident LAX90LA050
> **HUGHES 369HS** · 1989-12-09 · WAIMEA, HI, USA · NONE
## Event
- **NTSB number:** LAX90LA050
- **Event ID:** 20001213X29978
- **Type:** Accident
- **Date:** 1989-12-09
- **Location:** WAIMEA, HI, USA
- **Coordinates:** 21.949567, -159.670883
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 5
- **Total aboard:** 5
## Aircraft
- **Make:** HUGHES
- **Model:** 369HS
- **Registration:** N9161F
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE IMPROPER INSTALLATION OF THE PC TUBE BY COMPANY MAINTENANCE PERSONNEL, WHICH RESULTED IN FATIGUE FAILURE OF THE TUBE DUE TO INDUCED BENDING STRESSES.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90LA050) · AI Analytics · CC0 1.0*