# NTSB MKC67F0082: Piper PA-18A, N7163B, Naponee, NE, July 25, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 25, 1966
- Place: Naponee, NE · NAPONEE, NE
- Location: 40.0747° N, 99.1386° W: Placed by OpenAirDocs: center of Naponee, NE, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.0747&lon=-99.1386&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 22, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 121767
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC67F0082
- Page: https://openairdocs.org/ntsb/MKC67F0082

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3092  66/7/25    NAPONEE NEBR        PIPER PA-18A        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 27, 835
        TIME - 1000                    N7163B              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 440 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - REPUBLICAN CITY
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SURVEY FIELD/AREA
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: PISTON,PISTON RINGS
           POWERPLANT - ENGINE STRUCTURE: VALVE ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL 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 -  440                       KIND OF OPERATION - OTHER
          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 - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1900                SWATH RUN-HOW FLOWN - UPWIND
        REMARKS- HOLE IN TOP OF NO.3 PISTON.EXHAUST VALVE NO.3 CYLINDER FAILED.
```

## Aircraft

- Registration: [N7163B](https://openairdocs.org/deregistered/N7163B-1971-01-04), registration cancelled 1971-01-04, S/N 18-5189 (OpenAirDocs)
- Reported make and model: PIPER PA-18A
- Registry model: [Piper PA-18A 150](https://openairdocs.org/model/piper-pa-18a-150) (registry code 7101837) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Republican City

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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