# NTSB UNK65X0633: Boeing B75N, N64976, Cone, TX, November 9, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 9, 1964
- Place: Cone, TX · CONE, TX
- Location: 33.7973° N, 101.3877° W: Placed by OpenAirDocs: center of Cone, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.7973&lon=-101.3877&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 4, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 181663
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK65X0633
- Page: https://openairdocs.org/ntsb/UNK65X0633

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3447   64/11/9   CONE TEX            BOEING B75N         CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1000                    N64976              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   37, 10000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            3000 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT -                 Z
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
          LND GR-LEFT BRAKE FAILED FOR UNDETERMINED REASON.
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N64976](https://openairdocs.org/deregistered/N64976-2023-02-04), registration cancelled 2023-02-04, S/N 75-6904, built 1943 (OpenAirDocs)
- Reported make and model: BOEING B75N
- Registry model: [Boeing B75N1](https://openairdocs.org/model/boeing-b75n1) (registry code 1380144) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport:                 Z

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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