# NTSB OAK78DJA04: Bell 206A, N789PR, Lanai, HI, March 13, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 13, 1978
- Place: Lanai, HI · LANAI, HI
- Location: 20.8680° N, 156.9002° W: Placed by OpenAirDocs: center of Lānaʻi, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=20.8680&lon=-156.9002&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed, report April 21, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 143237
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78DJA04
- Page: https://openairdocs.org/ntsb/OAK78DJA04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0388  78/3/13    LANAI,HI            BELL 206A           CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1255                    N789PR              PX-  0  0  4  CTR PASSG-D               AGE 35, 2666 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            534 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MOLOKAI,HI                  LA HAINA MAUI,HI
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPERLY SERVICED AIRCRAFT (GROUND CREW)
           MISCELLANEOUS ACTS,CONDITIONS - OIL EXHAUSTION-ENGINE LUBRICATION SYSTEM
           POWERPLANT - COMPRESSOR ASSEMBLY: BEARING,ROTOR SHAFT
           POWERPLANT - LUBRICATING SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - STRIPPED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- DAMAGED THREADS ON OIL PRESSURE LINE TO NO1 COMPRESSOR BEARING LOOSE,OIL LOST.
```

## Aircraft

- Registration: [N789PR](https://openairdocs.org/deregistered/N789PR-1980-10-10), registration cancelled 1980-10-10, S/N 205 (OpenAirDocs)
- Reported make and model: BELL 206A
- Registry model: [Bell 206A](https://openairdocs.org/model/bell-206a) (registry code 1181508) (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 19780313004449A](https://openairdocs.org/incident/19780313004449A), Mar 13, 1978: Bell 206B1, Lanai, HI, Substantial damage. Damaged threads on oil pressure line to NO1 compressor bearing looil lost.

## Other investigations on N789PR (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 LAX80DJA09](https://openairdocs.org/ntsb/LAX80DJA09), Jan 19, 1980: Bell 206 (N789PR), Honolulu, HI, destroyed

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.