# NTSB Accident LAX89LA197
> **AEROSPATIALE AS350D** · 1989-05-21 · WAIALAE FALLS, HI, USA · MINR
## Event
- **NTSB number:** LAX89LA197
- **Event ID:** 20001213X28353
- **Type:** Accident
- **Date:** 1989-05-21
- **Location:** WAIALAE FALLS, HI, USA
- **Coordinates:** 21.95086, -159.669937
## Injuries
- **Highest injury:** MINR
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 7
- **Uninjured:** 0
- **Total aboard:** 7
## Aircraft
- **Make:** AEROSPATIALE
- **Model:** AS350D
- **Registration:** N6003S
- **FAR Part:** 135
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER MAINTENANCE/ADJUSTMENT OF THE ENGINE FUEL CONTROL UNIT BY COMPANY MAINTENANCE PERSONNEL, WHICH RESULTED IN A SLIGHT LOSS OF ENGINE POWER, AND FAILURE OF THE PILOT TO MAINTAIN ROTOR RPM, WHILE TURNING AND TAKING OFF FROM A HOVER WITH A RELATIVELY HEAVY GROSS WEIGHT.  FACTORS RELATED TO THE ACCIDENT WERE: THE HIGH DENSITY ALTITUDE AND ROUGH/UNEVEN (ROCKY) TERRAIN IN THE EMERGENCY LANDING AREA.

---
*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX89LA197) · AI Analytics · CC0 1.0*