# NTSB OAK73FJA04: Bell 47G3B1, N8470E, Aiea, HI, August 8, 1972

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 8, 1972
- Place: Aiea, HI · AIEA, HI
- Location: 21.3853° N, 157.9247° W: Placed by OpenAirDocs: center of Aiea, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=21.3853&lon=-157.9247&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report April 23, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 168798
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK73FJA04
- Page: https://openairdocs.org/ntsb/OAK73FJA04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4093   72/8/8    AIEA,HAWAII         BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 2260
        TIME - 1015                    N8470E              PX-  0  0  0  CTR CARGO-D               TOTAL HOURS, 625 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HONOLULU INTL
        DEPARTURE POINT             INTENDED DESTINATION
          HONOLULU,HAWAII             LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           POWERPLANT - EXHAUST SYSTEM: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - HIGH OBSTRUCTIONS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         FIRE AFTER IMPACT
        REMARKS- TURBO EXHAUST SYS FAILED. PLT HAD HEAVY SLING LOAD.
```

## Aircraft

- Registration: [N8470E](https://openairdocs.org/deregistered/N8470E-1975-06-09), registration cancelled 1975-06-09, S/N 2648, built 1963 (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Registry model: [Bell 47G-3B-1](https://openairdocs.org/model/bell-47g-3b-1) (registry code 1181028) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Honolulu Intl

## Other investigations on N8470E (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 OAK69D0286](https://openairdocs.org/ntsb/OAK69D0286), Apr 29, 1969: Bell 47G3B1 (N8470E), Stockton, CA, 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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