# NTSB Accident LAX88LA059
> **HUGHES 369HS** · 1987-11-26 · LIHUE, KAUAI, HI, USA · SERS
## Event
- **NTSB number:** LAX88LA059
- **Event ID:** 20001213X32567
- **Type:** Accident
- **Date:** 1987-11-26
- **Location:** LIHUE, KAUAI, HI, USA
- **Coordinates:** 21.969779, -159.350997
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 3
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 3
## Aircraft
- **Make:** HUGHES
- **Model:** 369HS
- **Registration:** N77DJ
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

PILOT FAILURE TO MAINTAIN ADEQUATE MAIN ROTOR RPM.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX88LA059) · AI Analytics · CC0 1.0*