# NTSB MKC75FTG02: Piper PA-18, N1190C, Nw Rockford, ND, July 12, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 12, 1974
- Place: Nw Rockford, ND · NW ROCKFORD, ND
- Location: 47.6796° N, 99.1377° W: Placed by OpenAirDocs: center of New Rockford, ND, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6796&lon=-99.1377&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 27, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 128670
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC75FTG02
- Page: https://openairdocs.org/ntsb/MKC75FTG02

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2022  74/7/12    NW ROCKFORD,N DAK   PIPER PA-18         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0730                    N1190C              PX-  0  0  0  AERIAL APPLICATION        AGE 34, 1700 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            500 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          NW ROCKFORD,N DAK           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PULLUP FROM SWATH RUN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           TERRAIN - ROUGH/UNEVEN
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  250                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - FLAX                                      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 - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1400                SWATH RUN-HOW FLOWN - DOWNWIND
        REMARKS- ENG EXH VALVE FAILED ON NUMBER THREE CYL.EMGCY LNDG IN PLOWED FLD-LDG GEAR SHEARED.
```

## Aircraft

- Registration: [N1190C](https://openairdocs.org/aircraft/N1190C), registered now, S/N 18-2473, built 1954 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18A-135](https://openairdocs.org/model/piper-pa-18a-135) (registry code 7101822) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, 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 19740712023129A](https://openairdocs.org/incident/19740712023129A), Jul 12, 1974: Piper PA18A135, Nw Rockford, ND, Substantial damage. Eng exh valve failed on number three cyl. Emgcy lndg in plowed fld-ldg gear sheared.

## Other investigations on N1190C (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 MKC77DER77](https://openairdocs.org/ntsb/MKC77DER77), Jul 24, 1977: Piper PA-18A (N1190C), Battle Lake, MN, substantial damage
- [NTSB SEA71FDA04](https://openairdocs.org/ntsb/SEA71FDA04), Aug 13, 1970: Piper PA-18A (N1190C), Garryowen, MT, 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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