# NTSB MKC77DCJ48: Sportavia RF4-D, N7723, Central City, NE, April 28, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 28, 1977
- Place: Central City, NE · CENTRAL CITY, NE
- Location: 41.1130° N, 98.0003° W: Placed by OpenAirDocs: center of Central City, NE, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.1130&lon=-98.0003&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 17, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147359
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77DCJ48
- Page: https://openairdocs.org/ntsb/MKC77DCJ48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3012  77/4/28    CENTRAL CITY,NE     SPORTAVIA RF4-D     CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 49, 2500
        TIME - 1400                    N7723               PX-  0  0  0  FERRY                     TOTAL HOURS, 1000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          KEARNEY,NE                  FREMONT,NE
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: PROPELLER                       IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           POWERPLANT - PROPELLER AND ACCESSORIES: BLADES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- WOOD PROPELLER BLADE FAILED IN HUB.MALOOF VAR PITCH PROPELLER.
```

## Aircraft

- Registration: [N7723](https://openairdocs.org/aircraft/N7723), registered now, S/N 4089, built 1968 (OpenAirDocs)
- Reported make and model: SPORTAVIA RF4-D
- Registry model: [Sportavia-Putzer FOURNIER R.F.4.D](https://openairdocs.org/model/sportavia-putzer-fournier-r-f-4-d) (registry code 8451012) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: 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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