# NTSB OAK74DVA01: N.American AT-6G, N9042Z, Porterville, CA, July 7, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 7, 1974
- Place: Porterville, CA · PORTERVILLE, CA
- Location: 36.0635° N, 119.0336° W: Placed by OpenAirDocs: center of Porterville, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.0635&lon=-119.0336&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report August 1, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 128230
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK74DVA01
- Page: https://openairdocs.org/ntsb/OAK74DVA01

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1764   74/7/7    PORTERVILLE,CALIF   N.AMERICAN AT-6G    CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1225                    N9042Z              PX-  0  0  0  DUAL                      AGE 35, 1179 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            82 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - PORTERVILLE MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          PORTERVILLE,CALIF           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           DUAL STUDENT - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           DUAL STUDENT - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- STUDENT LOST CTL WHILE RAISING FLAPS.
```

## Aircraft

- Registration: N9042Z (not matched to a registry record)
- Reported make and model: N.AMERICAN AT-6G
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Porterville Muni

## 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 19740707019309A](https://openairdocs.org/incident/19740707019309A), Jul 7, 1974: Namer T6G, Porterville, CA, Substantial damage. Student lost ctl while raising flaps.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.