# NTSB LAX75DUJ13: Aero Comdr Lark, N3729X, Window Rock, AZ, July 20, 1974

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: July 20, 1974
- Place: Window Rock, AZ · WINDOW ROCK, AZ
- Location: 35.6705° N, 109.0630° W: Placed by OpenAirDocs: center of Window Rock, AZ, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.6705&lon=-109.0630&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 22, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 128160
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX75DUJ13
- Page: https://openairdocs.org/ntsb/LAX75DUJ13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1866  74/7/20    WINDOW ROCK,ARIZ    AERO COMDR LARK     CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE UNK/NR, 15
        TIME - 1045                    N3729X              PX-  0  0  0  SOLO                      TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WINDOW ROCK
        DEPARTURE POINT             INTENDED DESTINATION
          WINDOW ROCK,ARIZ            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: LEVEL OFF/TOUCHDOWN
           STALL                                                    LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PERSONNEL - FLIGHT INSTRUCTOR: INADEQUATE TRAINING OF STUDENT
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
        REMARKS- DIVERTED ATTN TO RETRACTING FLAPS ON GO ARND.
```

## Aircraft

- Registration: [N3729X](https://openairdocs.org/deregistered/N3729X-2012-06-15), registration cancelled 2012-06-15, S/N 5036, built 1968 (OpenAirDocs)
- Reported make and model: AERO COMDR LARK
- Registry model: [Aero Commander 100-180](https://openairdocs.org/model/aero-commander-100-180) (registry code 0140208) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Window Rock

## 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 19740720022889A](https://openairdocs.org/incident/19740720022889A), Jul 20, 1974: Slinds 100180, Window Rock, AZ, Destroyed. Diverted attn to retracting flaps on go arnd.

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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