# NTSB LAX79FUJ11: Knight Twst WHB-1, N67P, Marana, AZ, October 28, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 28, 1978
- Place: Marana, AZ · MARANA, AZ
- Location: 32.4367° N, 111.2254° W: Placed by OpenAirDocs: center of Marana, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.4367&lon=-111.2254&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 2, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 138312
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX79FUJ11
- Page: https://openairdocs.org/ntsb/LAX79FUJ11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3746  78/10/28   MARANA,AZ           KNIGHT TWST WHB-1   CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 54, 1111
        TIME - 1130                    N67P                PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 0 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MARANA AIR PARK
        DEPARTURE POINT             INTENDED DESTINATION
          MARANA,AZ                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N67P](https://openairdocs.org/deregistered/N67P-2003-08-28), registration cancelled 2003-08-28, S/N WHB1 (OpenAirDocs)
- Reported make and model: KNIGHT TWST WHB-1
- Registry model: [Parsons KNIGHT TWISTER](https://openairdocs.org/model/parsons-knight-twister) (registry code 4970172) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Marana Air Park

## 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 19781028039089A](https://openairdocs.org/incident/19781028039089A), Oct 28, 1978: Kinner SPORTSTERK, Marana, AZ, 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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