# NTSB OAK66A0029: Douglas DC-8, San Francisco, CA, December 25, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 25, 1965
- Place: San Francisco, CA · SAN FRANCISCO, CA
- Location: 37.7750° N, 122.4194° W: Placed by OpenAirDocs: center of San Francisco, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7750&lon=-122.4194&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 41 uninjured
- Status: Completed, report August 9, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 175461
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK66A0029
- Page: https://openairdocs.org/ntsb/OAK66A0029

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
A-0001  65/12/25   SAN FRANCISCO,CAL   DOUGLAS DC-8        CR-  0  0 10  SCHED INTERNATL PASSG SRV CERTIFICATE OTHER, AGE
        TIME - 1311                    JA-8006             PX-  0  0 31                            40, 8031 TOTAL HOURS, 909
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - JAPAN AIRLINES
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: CLIMB TO CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - COMPRESSOR ASSEMBLY: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE INSPECTION OF AIRCRAFT (MAINTENANCE PERSONNEL)
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
        REMARKS- NO.1 ENG LOW PRESSURE COMPRESSOR SECTION TORQUE RING FAILED,IMPROPERLY SECURED DURING ENG OVERHAUL
```

## Aircraft

- Registration: JA-8006 (not matched to a registry record)
- Reported make and model: DOUGLAS DC-8
- Category: Airplane
- Engines: turbo jet
- 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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