# NTSB UNK64X3128: Douglas DC-7, N464, Chantilly, VA, July 30, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 30, 1964
- Place: Chantilly, VA · CHANTILLY, VA
- Location: 38.8892° N, 77.4421° W: Placed by OpenAirDocs: center of Chantilly, VA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8892&lon=-77.4421&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 8 uninjured
- Status: Completed, report December 4, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182609
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3128
- Page: https://openairdocs.org/ntsb/UNK64X3128

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0588  64/7/30    CHANTILLY VA        DOUGLAS DC-7        CR-  0  0  3  MISCELLANEOUS             AIRLINE TRANSPORT, AGE
        TIME - 2102                    N464                PX-  0  0  5  EXPERIMENTATION           43, 14375 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            260 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DULLES INT L
        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
          MISC-INHERENT RISKS OF TEST PROGRAM INVOLVED.
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SIMULATED CONDITIONS
         FIRE AFTER IMPACT
        REMARKS- MISIDENT OF CENTERLINE AND HI SPEED TURN OFF LTS
```

## Aircraft

- Registration: [N464](https://openairdocs.org/deregistered/N464-1972-09-28), registration cancelled 1972-09-28, S/N 44127 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-7
- Registry model: [Douglas DC-7](https://openairdocs.org/model/douglas-dc-7) (registry code 3021802) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Dulles Int L

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.