# NTSB NYC71AN009: Boeing 737, N9005U, Philadelphia, PA, July 19, 1970

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 19, 1970
- Place: Philadelphia, PA · PHILADELPHIA, PA
- Location: 39.9523° N, 75.1638° W: Placed by OpenAirDocs: center of Philadelphia, PA, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.9523&lon=-75.1638&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 19 minor, 41 uninjured
- Status: Completed, report June 9, 1972
- Safety recommendations: Yes
- NTSB case key (mKey): 79467
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC71AN009
- Board report AAR7209 (PDF): https://www.ntsb.gov/investigations/AccidentReports/Reports/AAR7209.pdf
- Page: https://openairdocs.org/ntsb/NYC71AN009

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0012  70/7/19    PHILADELPHIA,PA     BOEING 737          CR-  0  0  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1807                    N9005U              PX-  0  1 54                            46, 11236 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            520 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PHILADELPHIA INTL
        OPERATOR - UNITED AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          PHILADELPHIA,PA             BUFFALO,NY                   ROCHESTER,NY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: FENCE,FENCEPOSTS                          TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           POWERPLANT - TURBINE ASSEMBLY: BLADE,TURBINE WHEEL
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- NR 1 ENG 1ST STAGE TURB BLADE FAILED.PLT TRMTD RKOF ABV V2,AT APRX 50FT-THOUGHT BOTH ENG FAILED.
```

## Aircraft

- Registration: [N9005U](https://openairdocs.org/deregistered/N9005U-1970-11-17), registration cancelled 1970-11-17, S/N 19043 (OpenAirDocs)
- Reported make and model: BOEING 737
- Registry model: [Boeing 737-222](https://openairdocs.org/model/boeing-737-222) (registry code 1384473) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: Substantial damage
- Airport: Philadelphia Intl

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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