# NTSB CHI76DEP06: Stearman A75N1, N55898, Alma Center, WI, July 22, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 22, 1975
- Place: Alma Center, WI · ALMA CENTER, WI
- Location: 44.4370° N, 90.9128° W: Placed by OpenAirDocs: center of Alma Center, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.4370&lon=-90.9128&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 4, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149928
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI76DEP06
- Page: https://openairdocs.org/ntsb/CHI76DEP06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2057  75/7/22    ALMA CENTER,WI      STEARMAN A75N1      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 37, 562
        TIME - 1945                    N55898              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 184 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ALMA CENTER,WI              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  100                       KIND OF OPERATION - OTHER
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          GLOVES - NOT USED                                        GOGGLES - NOT USED
          CRASH HELMET - AVAILABLE USED                            COCKPIT CRASHPAD - INSTALLED
          CRASH BAR - INSTALLED                                    TANK/HOPPER-LOCATION - FORWARD OF PILOT
          TERRAIN-TYPE -HILLY                                      ELEVATION-AREA BEING TREATED-FEET -  860
          SWATH RUN-HOW FLOWN - CROSSWIND                          PROCEDURE TURNAROUND - THIRD 1/3 TURN
```

## Aircraft

- Registration: [N55898](https://openairdocs.org/deregistered/N55898-2012-08-27), registration cancelled 2012-08-27, S/N 75-424, built 1940 (OpenAirDocs)
- Reported make and model: STEARMAN A75N1
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, 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 19750722021699A](https://openairdocs.org/incident/19750722021699A), Jul 22, 1975: Boeing A75N1, Alma Center, WI, Substantial damage

## Other investigations on N55898 (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 CHI75DEP24](https://openairdocs.org/ntsb/CHI75DEP24), Sep 8, 1974: Boeing A75 (N55898), Lone Rock, WI, 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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