# NTSB MKC77FER71: Piper PA-25, N7634Z, Springfield, MN, July 30, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 30, 1977
- Place: Springfield, MN · SPRINGFIELD, MN
- Location: 44.2372° N, 94.9819° W: Placed by OpenAirDocs: center of Springfield, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.2372&lon=-94.9819&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 1, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 145565
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77FER71
- Page: https://openairdocs.org/ntsb/MKC77FER71

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4021  77/7/30    SPRINGFIELD,MN      PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 26, 240
        TIME - 0930                    N7634Z              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SPRINGFIELD,MN              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: CROP                                      IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       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 - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  1070                SWATH RUN-HOW FLOWN - WIND CALM
```

## Aircraft

- Registration: [N7634Z](https://openairdocs.org/deregistered/N7634Z-2007-10-24), registration cancelled 2007-10-24, S/N 25-3766, 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

## 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 19770730041779A](https://openairdocs.org/incident/19770730041779A), Jul 30, 1977: Piper PA25235, Springfield, MN, Substantial damage

## Other investigations on N7634Z (1)

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.

- [NTSB CHI02CA248](https://openairdocs.org/ntsb/CHI02CA248), Aug 14, 2002: Piper PA-25-235 (N7634Z), Ray, ND, substantial damage. Probable cause: The pilot inadvertently stalled the airplane during takeoff. A factor was the tailwind.

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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