# NTSB Accident WPR18LA221
> **Hughes 369** · 2018-08-08 · Honolulu, HI, USA · NONE
## Event
- **NTSB number:** WPR18LA221
- **Event ID:** 20180810X81812
- **Type:** Accident
- **Date:** 2018-08-08
- **Location:** Honolulu, HI, USA
- **Coordinates:** 21.273056, -157.706115
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** Hughes
- **Model:** 369
- **Registration:** N369MH
- **FAR Part:** 135
- **Engines:** —
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The operator's improper installation of the tail rotor (TR) teeter bearings, which resulted in cascading in-flight failures of the TR components and attach hardware.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR18LA221) · AI Analytics · CC0 1.0*