# NTSB MKC67A0026: Douglas DC-3, N4996E, Rapid City, SD, September 23, 1966

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: September 23, 1966
- Place: Rapid City, SD · RAPID CITY, SD
- Location: 44.0805° N, 103.2310° W: Placed by OpenAirDocs: center of Rapid City, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.0805&lon=-103.2310&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 9 uninjured
- Status: Completed, report May 3, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 121421
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC67A0026
- Page: https://openairdocs.org/ntsb/MKC67A0026

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
1-0030  66/9/23  NR.RAPID CITY S DAK   DOUGLAS DC-3        CR-  0  1  2  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 2320                    N4996E              PX-  0  0  7                            39, 7718 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            2438 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        OPERATOR - FRONTIER AIRLINES,INC.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT NOT FASTENED
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          VFR
        REMARKS- STEWARDESS WAS ASSISTING PASSENGERS.FLT WAS OPERATING VFR IN THE VICINITY OF THUNDERSTORMS.
```

## Aircraft

- Registration: [N4996E](https://openairdocs.org/deregistered/N4996E-2014-10-14), registration cancelled 2014-10-14, S/N 12141, built 1958 (OpenAirDocs)
- Reported make and model: DOUGLAS DC-3
- Registry model: [Douglas DC3C](https://openairdocs.org/model/douglas-dc3c) (registry code 3021457) (OpenAirDocs)
- Registry engine: [Pratt & Whitney TW-S1-S3-S4](https://openairdocs.org/engine/pratt-whitney-tw-s1-s3-s4) (registry code 52019, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: No damage

## Other investigations on N4996E (1)

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.

- [NTSB MIA79FA031](https://openairdocs.org/ntsb/MIA79FA031), Dec 14, 1978: Douglas DC-3C (N4996E), Belle Glade, FL, substantial damage

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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