# NTSB SEA65A0059: Bell 47G3B1, N68645, Marblemount, WA, April 28, 1965

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 28, 1965
- Place: Marblemount, WA · MARBLEMOUNT, WA
- Location: 48.5418° N, 121.4396° W: Placed by OpenAirDocs: center of Marblemount, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.5418&lon=-121.4396&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report November 29, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 179325
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA65A0059
- Page: https://openairdocs.org/ntsb/SEA65A0059

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0623  65/4/28  NR.MARBLEMOUNT WASH   BELL 47G3B1         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1430                    N68645              PX-  0  0  0  AIR TAXI-PASSG            AGE 31, 4400 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            650 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - *ERROR-INVALID CODE*
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN CABIN,COCKPIT,BAGGAGE COMPARTMENT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  SMOKE IN COCKPIT
         FIRE AFTER IMPACT
        REMARKS- ENROUTE TO PICK UP PASSENGERS FIRE BROKE OUT IN AREA OF INSTRUMENT PANEL.
```

## Aircraft

- Registration: [N68645](https://openairdocs.org/aircraft/N68645), registered now, S/N 2820, 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)
- Registry engine: [Lycoming TVO-435-GIA](https://openairdocs.org/engine/lycoming-tvo-435-gia) (registry code 41526, turbo-prop) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N68645 (2)

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 SEA71DXM01](https://openairdocs.org/ntsb/SEA71DXM01), Jul 6, 1970: Bell 47G-3B (N68645), Hailey, ID, substantial damage
- [NTSB ANC69A0009](https://openairdocs.org/ntsb/ANC69A0009), Aug 15, 1968: Bell 47G3B1 (N68645), Susitna Lodg, AK, 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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