# NTSB CHI80DEP42: Sikorsky CH-19E, N94475, Plover, WI, August 3, 1980

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 3, 1980
- Place: Plover, WI · PLOVER, WI
- Location: 44.4620° N, 89.5380° W: Placed by OpenAirDocs: center of Plover, WI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.4620&lon=-89.5380&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 23, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 130045
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI80DEP42
- Page: https://openairdocs.org/ntsb/CHI80DEP42

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1786   80/8/3    PLOVER,WI           SIKORSKY CH-19E     CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 36, 3988
        TIME - 1700                    N94475              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 467 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - AG HELIPAD
        DEPARTURE POINT             INTENDED DESTINATION
          PLOVER,WI                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE: MAIN ROTOR                      LANDING: POWER-ON LANDING
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: CLUTCH ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   40                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     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 - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY
        REMARKS- HYDO-MECHANICAL CLUTCH,PN S1435-2501-1,FAILED.
```

## Aircraft

- Registration: [N94475](https://openairdocs.org/aircraft/N94475), registered now, S/N 130141, built 1952 (OpenAirDocs)
- Reported make and model: SIKORSKY CH-19E
- Registry model: [Sikorsky CH-19E](https://openairdocs.org/model/sikorsky-ch-19e) (registry code 8141616) (OpenAirDocs)
- Registry engine: [Wright C7BA series](https://openairdocs.org/engine/wright-c7ba-series) (registry code 67017, reciprocating) (OpenAirDocs)
- Category: Helicopter
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Ag Helipad

## 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 19800803033079A](https://openairdocs.org/incident/19800803033079A), Aug 3, 1980: Orlhel CH19ESKRSKY, Plover, WI, Substantial damage. Helicopter crashed when pilot attempted emergency landing.

## Other investigations on N94475 (2)

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 SEA02FA091](https://openairdocs.org/ntsb/SEA02FA091), May 30, 2002: Sikorsky CH-19E (N94475), Plains, MT, substantial damage. Probable cause: Power loss for undetermined reasons.
- [NTSB MIA76FLD16](https://openairdocs.org/ntsb/MIA76FLD16), Sep 10, 1975: Sikorsky CH19E (N94475), Cosme, FL, destroyed

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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