# NTSB OAK71DVM36: Tradewinds C-45, N6640R, San Jose, CA, January 14, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 14, 1971
- Place: San Jose, CA · SAN JOSE, CA
- Location: 37.3394° N, 121.8950° W: Placed by OpenAirDocs: center of San Jose, CA, within about 8 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.3394&lon=-121.8950&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report November 30, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 159887
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71DVM36
- Page: https://openairdocs.org/ntsb/OAK71DVM36

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0566  71/1/14    SAN JOSE,CALIF      TRADEWINDS C-45     CR-  0  0  3  INSTRUCTIONAL             AIRLINE TRANSPORT, AGE
        TIME - 1300                    N6640R              PX-  0  0  0  TRAINING                  52, 14412 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            3170 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - REID-HILLVIEW
        DEPARTURE POINT             INTENDED DESTINATION
          SANTA BARBARA,CALIF         SAN JOSE,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NOSEWHEEL ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- DURING TAXI,NOSE GEAR COLLAPSED WHILE MAKING SHARP R TURN.UN DTRM RIGGING OR ADJUSTMENT DUE DMG.
```

## Aircraft

- Registration: [N6640R](https://openairdocs.org/deregistered/N6640R-1992-02-27), registration cancelled 1992-02-27, S/N AF511 (OpenAirDocs)
- Reported make and model: TRADEWINDS C-45
- Registry model: [Beech C-45H](https://openairdocs.org/model/beech-c-45h) (registry code 1151018) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Reid-Hillview

## Other investigations on N6640R (1)

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 MIA92LA019](https://openairdocs.org/ntsb/MIA92LA019), Oct 31, 1991: Beech C-45H (N6640R), Fort Lauderdale, FL, substantial damage. Probable cause: HARD LANDING DUE TO FAILURE OF THE PILOT-IN-COMMAND TO MAINTAIN THE PROPER DESCENT RATE. CONTRIBUTING TO THE ACCIDENT WAS THE TURBULENCE ENCOUNTERED DURING THE APCH.

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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