# NTSB FTW67A0030: Bell 47G3B1, N8542F, Yukon, OK, September 6, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 6, 1966
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 4, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 121574
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW67A0030
- Page: https://openairdocs.org/ntsb/FTW67A0030

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0946   66/9/6    YUKON OKLA          BELL 47G3B1         CR-  0  0  2  INSTRUCTIONAL             AIRLINE TRANSPORT, AGE
        TIME - 1015                    N8542F              PX-  0  0  0  CHECK                     50, 9000 TOTAL HOURS, 250
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CIMARRON
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        REMARKS- AFTER GIVING ANNUAL FAA PROFICIENCY CHECK THE CHECK PLT PRACTICED AUTOROTATION LANDINGS.
```

## Aircraft

- Registration: [N8542F](https://openairdocs.org/deregistered/N8542F-1971-02-18), registration cancelled 1971-02-18, S/N 3392 (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: 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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