# NTSB FTW66A0012: Brantly B2B, N2252U, Yukon, OK, September 15, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 15, 1965
- 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 November 5, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 176332
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW66A0012
- Page: https://openairdocs.org/ntsb/FTW66A0012-176332

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0566  65/9/15    YUKON OKLA          BRANTLY B2B         CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1005                    N2252U              PX-  0  0  0  PRACTICE                  42, 8613 TOTAL HOURS, 13
                                       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)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           PERSONNEL - FLIGHT INSTRUCTOR: INADEQUATE SUPERVISION OF FLIGHT
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  DIRECTIONAL CONTROL PROBLEM
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      87
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          170                                                       26
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- ROTORCRAFT LANDED ROTATING TO RIGHT-ATR PILOT WAS ROTORCRAFT STUDENT.
```

## Aircraft

- Registration: [N2252U](https://openairdocs.org/aircraft/N2252U), registered now, S/N 411 (OpenAirDocs)
- Reported make and model: BRANTLY B2B
- Registry model: [Brantly B-2B](https://openairdocs.org/model/brantly-b-2b) (registry code 1440506) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Cimarron

## Other investigations on N2252U (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 CEN09CA133](https://openairdocs.org/ntsb/CEN09CA133), Jan 14, 2009: Brantly B-2B (N2252U), Cement, OK, substantial damage. Probable cause: The pilot's failure to maintain proper airspeed and descent rate during approach, which resulted in a hard landing. Contributing to the accident were the nearby power lines.
- [NTSB ATL80FLA03](https://openairdocs.org/ntsb/ATL80FLA03), May 10, 1980: Brantley B-2B (N2252U), Valdosta, GA, 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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