# NTSB ANC66A0041: Bell 47D1, N117B, Wassila, AK, May 2, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 2, 1966
- Place: Wassila, AK · WASSILA, AK
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 23, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172378
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC66A0041
- Page: https://openairdocs.org/ntsb/ANC66A0041

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0240   66/5/2  NR.WASSILA ALAS       BELL 47D1           CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 39, 3500
        TIME - 1245                    N117B               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 200 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - GOOSE BAY AIRSTRP
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: OBJECT                                    TAKEOFF: VERTICAL
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: VERTICAL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
           TERRAIN - HIGH VEGETATION
        REMARKS- TUNDRA BOARDS INSTALLED ON SKIDS.
```

## Aircraft

- Registration: [N117B](https://openairdocs.org/deregistered/N117B-2009-06-25), registration cancelled 2009-06-25, S/N 37, built 1947 (OpenAirDocs)
- Reported make and model: BELL 47D1
- Registry model: [Bell 47D1](https://openairdocs.org/model/bell-47d1) (registry code 1180802) (OpenAirDocs)
- Registry engine: [Franklin 6V4 series](https://openairdocs.org/engine/franklin-6v4-series) (registry code 27033, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Goose Bay Airstrp

## Other investigations on N117B (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 ANC76DAH16](https://openairdocs.org/ntsb/ANC76DAH16), May 25, 1976: Bell 47D-1 (N117B), Birchwood, AK, substantial damage, 1 fatal

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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