# NTSB LAX75DUM11: Piper PA-18, N4711A, Imperial, CA, November 25, 1974

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: November 25, 1974
- Place: Imperial, CA · IMPERIAL, CA
- Location: 32.8388° N, 115.5720° W: Placed by OpenAirDocs: center of Imperial, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.8388&lon=-115.5720&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 1 uninjured
- Status: Completed, report December 20, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 142528
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX75DUM11
- Page: https://openairdocs.org/ntsb/LAX75DUM11

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3525  74/11/25   IMPERIAL,CALIF      PIPER PA-18         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1216                    N4711A              PX-  0  0  0  DUAL                      AGE 32, 1623 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            200 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - IMPERIAL COUNTY
        DEPARTURE POINT             INTENDED DESTINATION
          IMPERIAL,CALIF              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           DUAL STUDENT - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PILOT IN COMMAND - INADEQUATE SUPERVISION OF FLIGHT
```

## Aircraft

- Registration: [N4711A](https://openairdocs.org/deregistered/N4711A-2012-12-11), registration cancelled 2012-12-11, S/N 18-4929, built 1956 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (registry code 7101802) (OpenAirDocs)
- Registry engine: [Continental C90 series](https://openairdocs.org/engine/continental-c90-series) (registry code 17009, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Imperial County

## 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 19741125038749A](https://openairdocs.org/incident/19741125038749A), Nov 25, 1974: Piper PA18, Imperial, CA, Substantial damage

## Other investigations on N4711A (2)

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.

- [NTSB LAX81FA095](https://openairdocs.org/ntsb/LAX81FA095), May 31, 1981: Piper PA-18 (N4711A), Holtville, CA, destroyed, 2 fatal
- [NTSB LAX75DUM26](https://openairdocs.org/ntsb/LAX75DUM26), May 17, 1975: Piper PA-18 (N4711A), Imperial, CA, 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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