# NTSB OAK73FJA09: Bell 206A, N1404W, Kaimuki, HI, November 29, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 29, 1972
- Place: Kaimuki, HI · KAIMUKI, HI
- Location: 21.2801° N, 157.7984° W: Placed by OpenAirDocs: center of Kaimukī, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=21.2801&lon=-157.7984&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 17, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169777
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73FJA09
- Page: https://openairdocs.org/ntsb/OAK73FJA09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4141  72/11/29   KAIMUKI,HAWAII      BELL 206A           CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 7235
        TIME - 1000                    N1404W              PX-  0  0  1  POWER/PIPELINE            TOTAL HOURS, 1500 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MOANALUA,HAWAII             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - TURBINE ASSEMBLY: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY SECURED
           MISCELLANEOUS ACTS,CONDITIONS - UNDER TORQUED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           TERRAIN - ROUGH/UNEVEN
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- B NUT CONNECTING GOV PRESS AIR HOSE TO PWR TURBINE GOV CAME LOOSE.HAD TO LND DOWNSLOPE IN BRUSH.
```

## Aircraft

- Registration: [N1404W](https://openairdocs.org/aircraft/N1404W), registered now, S/N 298, built 1968 (OpenAirDocs)
- Reported make and model: BELL 206A
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (registry code 1181511) (OpenAirDocs)
- Registry engine: [Allison 250 SER 400HP](https://openairdocs.org/engine/allison-250-ser-400hp) (registry code 03013, turbo-shaft) (OpenAirDocs)
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage

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.

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