# NTSB Accident LAX90DUJ05
> **BELL UH-1E** · 1989-11-04 · MESA, AZ, USA · NONE
## Event
- **NTSB number:** LAX90DUJ05
- **Event ID:** 20001213X29808
- **Type:** Accident
- **Date:** 1989-11-04
- **Location:** MESA, AZ, USA
- **Coordinates:** 33.439037, -111.760238
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** BELL
- **Model:** UH-1E
- **Registration:** N138US
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE INFLIGHT SEPARATION OF THE TAIL ROTOR DUE TO IMPROPER MAINTENANCE PROCEDURES AND THE INSTALLATION OF INCORRECT ATTACHMENT HARDWARE ON THE TAIL ROTOR BLADE PITCH CHANGE LINKAGES.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX90DUJ05) · AI Analytics · CC0 1.0*