# NTSB CHI69D0190: Piper PA-18A, N3708A, Hancock, WI, August 7, 1968

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 7, 1968
- Place: Hancock, WI · HANCOCK, WI
- Location: 44.1333° N, 89.5210° W: Placed by OpenAirDocs: center of Hancock, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.1333&lon=-89.5210&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 16, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108849
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI69D0190
- Page: https://openairdocs.org/ntsb/CHI69D0190

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2740   68/8/7    HANCOCK,WIS         PIPER PA-18A        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 38, 5000
        TIME - 0710                    N3708A              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1250 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        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 - 2500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  950                 SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
```

## Aircraft

- Registration: [N3708A](https://openairdocs.org/aircraft/N3708A), registered now, S/N 18-3389, built 1956 (OpenAirDocs)
- Reported make and model: PIPER PA-18A
- Registry model: [Piper PA-18A-135](https://openairdocs.org/model/piper-pa-18a-135) (registry code 7101822) (OpenAirDocs)
- Registry engine: [Lycoming O-320 series](https://openairdocs.org/engine/lycoming-o-320-series) (registry code 42389, 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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