# NTSB CHI76FEV56: Piper PA-25, N4333Y, Berwick, IL, July 25, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 25, 1976
- Place: Berwick, IL · BERWICK, IL
- Location: 40.7992° N, 90.5385° W: Placed by OpenAirDocs: center of Berwick, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.7992&lon=-90.5385&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 9, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 154631
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI76FEV56
- Page: https://openairdocs.org/ntsb/CHI76FEV56

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2678  76/7/25    BERWICK,IL          PIPER PA-25         CR-  0  0  1  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1230                    N4333Y              PX-  0  0  0  AERIAL APPLICATION        37, 8274 TOTAL HOURS, 600
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          AVON,IL                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PROCEDURE TURNAROUND
           COLLIDED WITH: DIRT BANK                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: VENTS,DRAINS,TANK CAPS
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - DOWNWIND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   10                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  600                 SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- FUEL TANK VENT PLUGGED BY FOREIGN MATTER THAT RESEMBLED GREEN LEAVES OR GRASS.
```

## Aircraft

- Registration: [N4333Y](https://openairdocs.org/aircraft/N4333Y), registered now, S/N 25-4824, built 1968 (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 O-540-B2C5](https://openairdocs.org/engine/lycoming-o-540-b2c5) (registry code 42338, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19760725023619A](https://openairdocs.org/incident/19760725023619A), Jul 25, 1976: Piper PA25235, Berwick, IL, Substantial damage. Fuel tank vent plugged by foreign matter that resembled green leaves or grass.

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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