# NTSB OAK66A0003: Douglas DC-6, N6575C, San Jose, CA, July 17, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 17, 1965
- 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: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report December 13, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177132
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66A0003
- Page: https://openairdocs.org/ntsb/OAK66A0003

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0040  65/7/17  NR.SAN JOSE CALIF     DOUGLAS DC-6        CR-  0  0  3  MILITARY CTR CARGO DOM    AIRLINE TRANSPORT, AGE
        TIME - 1958                    N6575C              PX-  0  0  1                            45, 13000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            2500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - ZANTOP AIR TRANSPORT
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
           PERSONNEL - FLIGHT ENGINEER: INADEQUATE PREFLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
           POWERPLANT - COOLING SYSTEM: COWLING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
                                  AIRFRAME BUFFET
        REMARKS- NO.3 ENG COWL SEPARATED IN FLIGHT.STRUCK & DAMAGED VERT.STABILIZER.SEVERAL CAM LOCKS NOT FASTENED.
```

## Aircraft

- Registration: [N6575C](https://openairdocs.org/deregistered/N6575C-1968-07-17), registration cancelled 1968-07-17, S/N 45503, built 1958 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-6
- Registry model: [Douglas DC-6A](https://openairdocs.org/model/douglas-dc-6a) (registry code 3021706) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.