# NTSB MKC68F0077: Piper PA-11, N4923M, Chaffee, ND, July 8, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 8, 1967
- Place: Chaffee, ND · CHAFFEE, ND
- Location: 46.7744° N, 97.3526° W: Placed by OpenAirDocs: center of Chaffee, ND, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=46.7744&lon=-97.3526&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 17, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 115552
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC68F0077
- Page: https://openairdocs.org/ntsb/MKC68F0077

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2448   67/7/8    CHAFFEE, N DAK      PIPER PA-11         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 38, 1600
        TIME - 1930                    N4923M              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1100 IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          CRASH HELMET - AVAILABLE USED                            TANK/HOPPER-LOCATION - BELLY
          TERRAIN-TYPE -LEVEL,FLAT                                 ELEVATION-AREA BEING TREATED-FEET -  953
          SWATH RUN-HOW FLOWN - UPWIND
        REMARKS- PLT FLEW UNDER HIGH TENSION WIRES. ACFT STRUCK TELEPHONE LINES AND POLE BEYOND POWER LINE.
```

## Aircraft

- Registration: [N4923M](https://openairdocs.org/aircraft/N4923M), registered now, S/N 11-1626 (OpenAirDocs)
- Reported make and model: PIPER PA-11
- Registry model: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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