# NTSB NYC69A0001: Douglas DC-7BF, N762Z, Philadelphia, PA, July 2, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 2, 1968
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report February 7, 1969
- Report: Brief approved by the director
- NTSB case key (mKey): 110674
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC69A0001
- Page: https://openairdocs.org/ntsb/NYC69A0001

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0044   68/7/2    PHILADELPHIA,PA     DOUGLAS DC-7BF      CR-  0  0  3  MILITARY CTR CARGO DOM    AIRLINE TRANSPORT, AGE
        TIME - 1811                    N762Z               PX-  0  0  0                            51, 19616 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            7095 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PHILADELPHIA INTL
        OPERATOR - UNIVERSAL AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - THRUST REVERSAL-ASYMETRICAL
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: WET RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - HYDROPLANING ON WET RUNWAY
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
         FIRE AFTER IMPACT
        REMARKS- ASYMMETRICAL POWER APPLIED DURING REVERSING PHASE OF LDG.NO 1 PROP CIRCUIT BREAKER DEACTIVATED.
```

## Aircraft

- Registration: [N762Z](https://openairdocs.org/deregistered/N762Z-1970-06-29), registration cancelled 1970-06-29, S/N 44922 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-7BF
- Registry model: [Douglas DC-7BF](https://openairdocs.org/model/douglas-dc-7bf) (registry code 3021805) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- 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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