# NTSB LAX73DUJ54: Champion 7KCAB, N7531F, Tucson, AZ, February 27, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 27, 1973
- Place: Tucson, AZ · TUCSON, AZ
- Location: 32.2217° N, 110.9265° W: Placed by OpenAirDocs: center of Tucson, AZ, within about 9 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.2217&lon=-110.9265&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 5, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 169473
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX73DUJ54
- Page: https://openairdocs.org/ntsb/LAX73DUJ54

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0181  73/2/27    TUCSON,ARIZ         CHAMPION 7KCAB      CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 35, 135
        TIME - 1345                    N7531F              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 22 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - AVRA VALLEY
        DEPARTURE POINT             INTENDED DESTINATION
          TUCSON,ARIZ                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
```

## Aircraft

- Registration: [N7531F](https://openairdocs.org/aircraft/N7531F), registered now, S/N 286-70, built 1969 (OpenAirDocs)
- Reported make and model: CHAMPION 7KCAB
- Registry model: [Champion 7KCAB](https://openairdocs.org/model/champion-7kcab) (registry code 21101P3) (OpenAirDocs)
- Registry engine: [Lycoming IO-320 series](https://openairdocs.org/engine/lycoming-io-320-series) (registry code 41509, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Avra Valley

## 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 19730227003339A](https://openairdocs.org/incident/19730227003339A), Feb 27, 1973: Blanca 7KCAB, Tucson, 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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