# NTSB FTW71DPG56: Piper PA-25, N4411Y, Waldenburg, AR, May 15, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 15, 1971
- Place: Waldenburg, AR · WALDENBURG, AR
- Location: 35.5653° N, 90.9346° W: Placed by OpenAirDocs: center of Waldenburg, AR, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.5653&lon=-90.9346&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 11, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161630
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW71DPG56
- Page: https://openairdocs.org/ntsb/FTW71DPG56

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1593  71/5/15    WALDENBURG,ARK      PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 24, 640
        TIME - 1530                    N4411Y              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 30 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WALDENBURG,ARK              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DIRT BANK                                 IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED ALTITUDE AND CLEARANCE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - RICE                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  250                 SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- L LDG GR KNOCKED OFF WHEN IT HIT RICE LEVEE DRNG SWATH RUN.PLT FLEW BACK TO STRIP AND LNDD.
```

## Aircraft

- Registration: [N4411Y](https://openairdocs.org/deregistered/N4411Y-1971-11-26), registration cancelled 1971-11-26, S/N 25-4025, 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)
- 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.

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