# NTSB NYC72AN038: Lockheed PV-1, N725YC, Philadelphia, PA, September 11, 1971

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: September 11, 1971
- 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: Minor injuries
- Injuries: 6 minor
- Status: Completed, report April 5, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163400
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC72AN038
- Page: https://openairdocs.org/ntsb/NYC72AN038

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3142  71/9/11    PHILADELPHIA,PA     LOCKHEED PV-1       CR-  0  0  2  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 0922                    N725YC              PX-  0  0  4  CORP/EXEC                 47, 19000 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            400 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PHILADELPHIA INTL
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          YOUNGSTOWN,OHIO             PHILADELPHIA,PA              READING,PA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IFR OPERATION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           WEATHER - THUNDERSTORM ACTIVITY
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONNEL, IN PERSON
        WEATHER FORECAST - WEATHER SLIGHTLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST/LOWER SCATTERED                                  400
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          ZERO                                                      RAIN SHOWERS, THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     LEFT CROSS WIND 248-292 DEGREES
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
         FIRE AFTER IMPACT
        REMARKS- DSCNDD BLO MDA.ENCTRD SVR TURB AND HEAVY RAIN FROM TSTM CELL.
```

## Aircraft

- Registration: [N725YC](https://openairdocs.org/deregistered/N725YC-2013-05-07), registration cancelled 2013-05-07, S/N 2396, built 1950 (OpenAirDocs)
- Reported make and model: LOCKHEED PV-1
- Registry model: [Lockheed 18-56](https://openairdocs.org/model/lockheed-18-56) (registry code 5261642) (OpenAirDocs)
- Registry engine: [Wright C9HD series](https://openairdocs.org/engine/wright-c9hd-series) (registry code 67028, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- 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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