# NTSB MKC67A0022: Aero Comdr 1121, N500JR, Nplatte, SD, September 26, 1966

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: September 26, 1966
- Place: Nplatte, SD · NPLATTE, SD
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 5 fatal
- Status: Completed, report August 22, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 121551
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC67A0022
- Page: https://openairdocs.org/ntsb/MKC67A0022

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0911  66/9/26    NPLATTE,S DAK       AERO COMDR 1121     CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 49, 5200
        TIME - 1217                    N500JR              PX-  4  0  0  BUSINESS                  TOTAL HOURS, 200 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - ROBBINS RANCH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
        WEATHER BRIEFING - BRIEFED BY WEATHER BUREAU PERSONEL, BY PHONE
        WEATHER FORECAST - WEATHER SLIGHTLY WORSE THAN FORECAST
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          RAIN SHOWERS
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          NONE                                                     180
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           5                                                       IFR
        TYPE OF FLIGHT PLAN
          NONE
         FIRE AFTER IMPACT
        REMARKS- LOSS OF CONTROL FOR UNDETERMINED REASON.
```

## Aircraft

- Registration: [N500JR](https://openairdocs.org/deregistered/N500JR-1971-02-12), registration cancelled 1971-02-12, S/N 65 (OpenAirDocs)
- Reported make and model: AERO COMDR 1121
- Registry model: [Aero Commander 1121](https://openairdocs.org/model/aero-commander-1121) (registry code 0142002) (OpenAirDocs)
- Category: Airplane
- Engines: turbo jet
- Damage: Destroyed
- Airport: Robbins Ranch

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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