# NTSB SEA69D0183: Bell 47G-2, N6712D, Chelan, WA, February 14, 1969

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 14, 1969
- Place: Chelan, WA · CHELAN, WA
- Location: 47.8443° N, 120.0136° W: Placed by OpenAirDocs: center of Chelan, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.8443&lon=-120.0136&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 17, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 114435
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA69D0183
- Page: https://openairdocs.org/ntsb/SEA69D0183

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0938  69/2/14    CHELAN,WASH         BELL 47G-2          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1345                    N6712D              PX-  0  0  0  DUAL                      AGE 45, 14071 TOTAL
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            HOURS, 6460 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE
        FACTOR(S)
           TERRAIN - SNOW-COVERED
           TERRAIN - OTHER
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
        REMARKS- SIMULATED SWATH RUN ALONG FENCE ROW.ROLLING TERRAIN.ACFT CARTWHEELED.
```

## Aircraft

- Registration: [N6712D](https://openairdocs.org/deregistered/N6712D-2012-09-20), registration cancelled 2012-09-20, S/N 2203, built 1957 (OpenAirDocs)
- Reported make and model: BELL 47G-2
- Registry model: [Bell 47G-3B](https://openairdocs.org/model/bell-47g-3b) (registry code 1181026) (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 N6712D (5)

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 MIA99LA217](https://openairdocs.org/ntsb/MIA99LA217), Aug 8, 1999: Bell 47G-B3 (N6712D), Selma, AL, substantial damage. Probable cause: The pilot's failure to maintain the proper touchdown point during landing causing the landing skid to become entangled with the edge of the helipad platform and the resultant rollover and main rotor…
- [NTSB SEA79DYP14](https://openairdocs.org/ntsb/SEA79DYP14), Apr 26, 1979: Bell 47G-3B (N6712D), Wenatchee, WA, substantial damage
- [NTSB SEA76DYG74](https://openairdocs.org/ntsb/SEA76DYG74), Sep 15, 1976: Bell 47G-3B (N6712D), Cashmere, WA, substantial damage
- [NTSB SEA72DYG40](https://openairdocs.org/ntsb/SEA72DYG40), May 26, 1972: Bell 47G2 (N6712D), Moses Lake, WA, destroyed
- [NTSB UNK65X0536](https://openairdocs.org/ntsb/UNK65X0536), Nov 2, 1964: Bell 47G2 (N6712D), Yuma, AZ, 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.

---
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.