# NTSB LAX81FA131: Bell 206L-1, N1075S, Waialae Falls, HI, September 22, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 22, 1981
- Place: Waialae Falls, HI · WAIALAE FALLS, HI
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 7 uninjured
- Status: Completed, report December 23, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123469
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX81FA131
- Page: https://openairdocs.org/ntsb/LAX81FA131

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2951  81/9/22    WAIALAE FALLS,HI    BELL 206L-1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1740                    N1075S              PX-  0  0  6  AIR TAXI-PASSG            AGE 33, 4545 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1210 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          PRINCEVILLE,HI              PRINCEVILLE,HI               WAIALAE FALLS,HI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                STATIC: IDLING ROTORS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - LEFT AIRCRAFT UNATTENDED, ENGINE RUNNING
        FACTOR(S)
           TERRAIN - ROUGH/UNEVEN
        REMARKS- AFT LNDG PLT REDCD PWR FLT IDLE,FRICTIONED DN CNTLS,& DEPLANED TO HELP PAX.ACFT TILTED REARWARD.
```

## Aircraft

- Registration: [N1075S](https://openairdocs.org/deregistered/N1075S-2011-08-25), registration cancelled 2011-08-25, S/N 45366, built 1980 (OpenAirDocs)
- Reported make and model: BELL 206L-1
- Registry model: [Bell Helicopter Textron 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (registry code 1182107) (OpenAirDocs)
- Registry engine: [Allison 250 SER 250HP](https://openairdocs.org/engine/allison-250-ser-250hp) (registry code 03002, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19810922061579A](https://openairdocs.org/incident/19810922061579A), Sep 22, 1981: Bell 206L1, Waialae Falls, HI, Substantial damage. Began deplaning passengers with engine and rotors idling on unprepared landing area. Tail propped rotor hit rocks.

## Other investigations on N1075S (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX02LA178](https://openairdocs.org/ntsb/LAX02LA178), May 28, 2002: Bell 206L-1 (N1075S), Meadview, AZ, destroyed. Probable cause: the pilot's failure to maintain distance and altitude during landing approach, resulting in the helicopter striking the ground during approach.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.