# NTSB OAK71AP045: Douglas DC-8, N8091U, San Frncsco, CA, May 15, 1971

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 15, 1971
- Place: San Frncsco, CA · SAN FRNCSCO, 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: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 5 serious, 1 minor, 42 uninjured
- Status: Completed, report December 7, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 161306
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK71AP045
- Page: https://openairdocs.org/ntsb/OAK71AP045

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0011  71/5/15    SAN FRNCSCO,CALIF   DOUGLAS DC-8        CR-  0  0  7  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1145                    N8091U              PX-  0  5 36                            47, 22033 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            1170 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SAN FRANCISCO INT
        OPERATOR - UNITED AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          SAN FRNCSCO,CALIF           CHICAGO,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            STATIC: PARKED-ENGINES NOT OPERATING
        PROBABLE CAUSE(S)
          MISC-PAX EVAC ACFT BY OVER WG EXITS,FLAPS UP POS.
        REMARKS- GRND PWR AIR HOSE FAILED.BOMB THREAT PREVIOUSLY.
```

## Aircraft

- Registration: [N8091U](https://openairdocs.org/deregistered/N8091U-2006-04-13), registration cancelled 2006-04-13, S/N 45995, built 1969 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-8
- Registry model: [Mcdonnell Douglas DC-8-71F](https://openairdocs.org/model/mcdonnell-douglas-dc-8-71f) (registry code 302199G) (OpenAirDocs)
- Registry engine: [CFM International CFM56 series](https://openairdocs.org/engine/cfm-international-cfm56-series) (registry code 13802, turbo-fan) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: No damage
- Airport: San Francisco Int

## Other investigations on N8091U (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 CHI83IA299](https://openairdocs.org/ntsb/CHI83IA299), Jul 5, 1983: Douglas DC-8 (N8091U), Chicago, IL, incident, no 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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