# NTSB MKC73DER13: Piper PA-25, N7217Z, Mapleton, MN, August 19, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 19, 1972
- Place: Mapleton, MN · MAPLETON, MN
- Location: 43.9259° N, 93.9553° W: Placed by OpenAirDocs: center of Mapleton, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.9259&lon=-93.9553&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 14, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167875
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC73DER13
- Page: https://openairdocs.org/ntsb/MKC73DER13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3089  72/8/19    MAPLETON,MINN       PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 62, 3196
        TIME - 0930                    N7217Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 671 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          MAPLETON,MINN               LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 1000                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1000                SWATH RUN-HOW FLOWN - CROSSWIND
```

## Aircraft

- Registration: [N7217Z](https://openairdocs.org/deregistered/N7217Z-2018-01-08), registration cancelled 2018-01-08, S/N 25-3131, built 1965 (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.

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