# NTSB NYC73IN146: Lockheed 1011, N313EA, Philadelphia, PA, May 31, 1973

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: May 31, 1973
- 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: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 24 uninjured
- Status: Completed, report July 24, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189841
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC73IN146
- Page: https://openairdocs.org/ntsb/NYC73IN146

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0014  73/5/31    PHILADELPHIA,PA     LOCKHEED 1011       CR-  0  0 13  SCHED INTERNATL PASSG SRV AIRLINE TRANSPORT, AGE
        TIME - 0742                    N313EA              PX-  0  0 11                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-NONE         OT-  0  0  0                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - PHILADELPHIA
        OPERATOR - EASTERN AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          JAMAICA,NY                  SAN JUAN,PR                  PHILADELPHIA,PA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           SYSTEMS - AUTO PILOT: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  DIRECTIONAL CONTROL PROBLEM
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- AUTO PLT HOOK ENGAGED RUDDER SERVO DUE IMPROPER WIRING.CAUSED UNWANTED PEDAL DEFLECTION.LND OK.
```

## Aircraft

- Registration: [N313EA](https://openairdocs.org/deregistered/N313EA-1998-05-12), registration cancelled 1998-05-12, S/N 1020 (OpenAirDocs)
- Reported make and model: LOCKHEED 1011
- Registry model: [Lockheed L-1011-385-1](https://openairdocs.org/model/lockheed-l-1011-385-1) (registry code 5265010) (OpenAirDocs)
- Category: Airplane
- Engines: turbo fan
- Damage: No damage
- Airport: Philadelphia

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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