# NTSB OAK74DVD09: Piper PA-25, N4709Y, Escalon, CA, August 22, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 22, 1973
- Place: Escalon, CA · ESCALON, CA
- Location: 37.7914° N, 120.9997° W: Placed by OpenAirDocs: center of Escalon, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.7914&lon=-120.9997&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 24, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189132
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK74DVD09
- Page: https://openairdocs.org/ntsb/OAK74DVD09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2574  73/8/22    ESCALON,CALIF       PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 10000
        TIME - 0645                    N4709Y              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 5000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - THORNTON STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          STOCKTON,CALIF              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: DITCHES                                   LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: OTHER
         SPECIAL DATA
          KIND OF OPERATION - OTHER
        REMARKS- L BRAKE FAILED FOR UNDTRMD REASON.IRRIGATION CANAL ADJ TO STRIP.
```

## Aircraft

- Registration: N4709Y (not matched to a registry record)
- Reported make and model: PIPER PA-25
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Thornton Strip

## 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 19730822026599A](https://openairdocs.org/incident/19730822026599A), Aug 22, 1973: Piper PA25235, Escalon, CA, Substantial damage. L brake failed for undtrmd reason. Irrigation canal adj to strip.

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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