# NTSB OAK66D0300: Oberlerchnr MG23, N6729C, Sheridan, CA, May 21, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 21, 1966
- Place: Sheridan, CA · SHERIDAN, CA
- Location: 38.9711° N, 121.3419° W: Placed by OpenAirDocs: center of Sheridan, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.9711&lon=-121.3419&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 1, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172250
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66D0300
- Page: https://openairdocs.org/ntsb/OAK66D0300

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1114  66/5/21    SHERIDAN CALIF      OBERLERCHNR MG23    CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 42, 748
        TIME - 1430                    N6729C              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 85 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        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                                                      80
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          180                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WIND GUSTING TO 20 KNOTS.
```

## Aircraft

- Registration: [N6729C](https://openairdocs.org/deregistered/N6729C-2013-07-02), registration cancelled 2013-07-02, S/N 007, built 1958 (OpenAirDocs)
- Reported make and model: OBERLERCHNR MG23
- Registry model: [Oberlerchner MG23](https://openairdocs.org/model/oberlerchner-mg23) (registry code 3801048) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: 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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