# NTSB UNK65X0693: Bell 47G2A, N3355D, Yukon, OK, November 13, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 13, 1964
- Place: Yukon, OK · YUKON, OK
- Location: 35.5184° N, 97.7662° W: Placed by OpenAirDocs: center of Yukon, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.5184&lon=-97.7662&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 10, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 181809
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0693
- Page: https://openairdocs.org/ntsb/UNK65X0693

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0847  64/11/13   YUKON OKLA          BELL 47G2A          CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1205                    N3355D              PX-  0  0  0  PRACTICE                  38, 9500 TOTAL HOURS, 15
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CIMARRON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: POWER-ON LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
```

## Aircraft

- Registration: [N3355D](https://openairdocs.org/deregistered/N3355D-1976-06-10), registration cancelled 1976-06-10, S/N 2705, built 1962 (OpenAirDocs)
- Reported make and model: BELL 47G2A
- Registry model: [Bell 47G-2A](https://openairdocs.org/model/bell-47g-2a) (registry code 1181012) (OpenAirDocs)
- Registry engine: [Lycoming VO-435 series](https://openairdocs.org/engine/lycoming-vo-435-series) (registry code 41525, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Cimarron

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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