# NTSB UNK64X2938: Douglas DC-7, N831D, Charlotte, NC, July 20, 1964

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 20, 1964
- Place: Charlotte, NC · CHARLOTTE, NC
- Location: 35.2271° N, 80.8431° W: Placed by OpenAirDocs: center of Charlotte, NC, within about 10 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.2271&lon=-80.8431&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 57 uninjured
- Status: Completed, report March 26, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 182543
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X2938
- Page: https://openairdocs.org/ntsb/UNK64X2938

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0056  64/7/20    CHARLOTTE NC        DOUGLAS DC-7        CR-  0  0  5  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1858                    N831D               PX-  0  0 52                            50, 18022 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            4241 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DOUGLAS AIRPORT
        OPERATOR - EASTERN AIR LINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           COPILOT - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: POORLY MAINTAINED RUNWAY SURFACE
           PERSONNEL - AIRPORT SUPERVISORY PERSONNEL: IMPROPER MAINTENANCE-AIRPORT FACILITIES
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - THRUST REVERSAL-ASYMETRICAL
```

## Aircraft

- Registration: [N831D](https://openairdocs.org/deregistered/N831D-1964-10-14), registration cancelled 1964-10-14, S/N 45340 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-7
- Registry model: [Douglas DC-7B](https://openairdocs.org/model/douglas-dc-7b) (registry code 3021804) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Douglas Airport

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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