# NTSB OAK72DVA17: Piper PA-25, N4440Y, Modesto, CA, August 19, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 19, 1971
- Place: Modesto, CA · MODESTO, CA
- Location: 37.6391° N, 120.9969° W: Placed by OpenAirDocs: center of Modesto, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6391&lon=-120.9969&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report June 19, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163035
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK72DVA17
- Page: https://openairdocs.org/ntsb/OAK72DVA17

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4074  71/8/19    MODESTO,CALIF       PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 40, 6300
        TIME - 0600                    N4440Y              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MODESTO,CALIF               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: ANIMALS                                   TAKEOFF: RUN
        PROBABLE CAUSE(S)
           MISCELLANEOUS - ANIMAL(S) ON RUNWAY/TAXIWAY/RAMP
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - OTHER
          KIND OF CROP - MOSQUITO CONTROL                          TYPE OF CHEMICAL USED - UNKNOWN/NOT REPORTED
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 TANK/HOPPER-LOCATION - UNKNOWN/NOT REPORTED
        REMARKS- DRG TKOF,UNFENCED STRIP,L WING HIT COW.PLT CONTD FLT LNDD AT MODESTO ARPT W/O FURTHER DMG.
```

## Aircraft

- Registration: [N4440Y](https://openairdocs.org/aircraft/N4440Y), registered now, S/N 25-4074, built 1966 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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.

---
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.
