# NTSB Accident ANC24LA077
> **ROBINSON R44** · 2024-08-19 · Honolulu, HI, USA · NONE
## Event
- **NTSB number:** ANC24LA077
- **Event ID:** 20240819194946
- **Type:** Accident
- **Date:** 2024-08-19
- **Location:** Honolulu, HI, USA
- **Coordinates:** 21.315266, -157.9219
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** ROBINSON
- **Model:** R44
- **Registration:** N740RH
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A failure of the flex plate yoke flange assembly due to incorrectly torqued bolts. Contributing was the maintenance personnel’s inadequate inspection of the tail rotor flex plate assembly.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC24LA077) · AI Analytics · CC0 1.0*