# NTSB CHI71AC004: Douglas DC-7B, N760Z, Ypsilanti, MI, July 13, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 13, 1970
- Place: Ypsilanti, MI · YPSILANTI, MI
- Location: 42.2444° N, 83.6212° W: Placed by OpenAirDocs: center of Ypsilanti, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2444&lon=-83.6212&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report November 12, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 116810
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71AC004
- Page: https://openairdocs.org/ntsb/CHI71AC004

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1364  70/7/13    YPSILANTI,MICH      DOUGLAS DC-7B       CR-  0  0  3  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1100                    N760Z               PX-  0  0  0  CTR CARGO-D               49, 14000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            4000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - WILLOW RUN
        DEPARTURE POINT             INTENDED DESTINATION
          ATLANTA,GA                  YPSILANTI,MICH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           FIRE OR EXPLOSION: IN FLIGHT                             IN FLIGHT: DESCENDING
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: LINES AND FITTINGS
           MISCELLANEOUS ACTS,CONDITIONS - MISSING
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN ENGINE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           MISCELLANEOUS ACTS,CONDITIONS - FIRE IN BRAKES,WHEEL ASSEMBLY,WHEEL WELL
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- CAP PLUG MISG FROM DRAIN.FUEL LEAKED INTO NR 3 NACELLE,IGNITED.R GR STRUT FAILED DUE HEAT,STRESS.
```

## Aircraft

- Registration: [N760Z](https://openairdocs.org/deregistered/N760Z-1975-06-09), registration cancelled 1975-06-09, S/N 45234 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-7B
- Registry model: [Douglas DC-7B](https://openairdocs.org/model/douglas-dc-7b) (registry code 3021804) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Willow Run

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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