# NTSB DEN78FQA17: Acroduster TOO, N4KJ, Roswell, NM, April 12, 1978

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: April 12, 1978
- Place: Roswell, NM · ROSWELL, NM
- Location: 33.3734° N, 104.5294° W: Placed by OpenAirDocs: center of Roswell, NM, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=33.3734&lon=-104.5294&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report October 11, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 142135
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN78FQA17
- Page: https://openairdocs.org/ntsb/DEN78FQA17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2544  78/4/12    ROSWELL,NM          ACRODUSTER TOO      CR-  0  1  0  MISCELLANEOUS             PRIVATE, AGE 46, 1086
        TIME - 0830                    N4KJ                PX-  0  0  0  TEST                      TOTAL HOURS, 4 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ROSWELL,NM                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: DESCENDING
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           POWERPLANT - ENGINE STRUCTURE: MASTER AND CONNECTING RODS
           MISCELLANEOUS ACTS,CONDITIONS - LOOSE,PART/FITTING
           AIRFRAME - FLIGHT CONTROL SURFACES: ELEVATOR ASSEMBLY,ATTACHMENTS
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- ROD CAP BOLT CAME LOOSE DAMAGING CYLINDER.ENGINE IDLE FOR 2YRS,NOT PICKLED.ELEVATOR WELD BROKE.
```

## Aircraft

- Registration: [N4KJ](https://openairdocs.org/deregistered/N4KJ-1978-05-05), registration cancelled 1978-05-05, S/N 87, built 1977 (OpenAirDocs)
- Reported make and model: ACRODUSTER TOO
- Registry model: [Havenor ACRODUSTER TOO SA750](https://openairdocs.org/model/havenor-acroduster-too-sa750) (registry code 8660503) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Destroyed

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19780412007079A](https://openairdocs.org/incident/19780412007079A), Apr 12, 1978: Kinner SPORTSTERK, Roswell, NM, Substantial damage. Rod cap bolt came loose damaging cylinder. Engine idle for 2YRS,nockled. Elevator weld broke.

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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