# NTSB CHI70F0214: Piper PA-11, N4713M, Williamston, MI, July 2, 1969

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 2, 1969
- Place: Williamston, MI · WILLIAMSTON, MI
- Location: 42.6833° N, 84.2836° W: Placed by OpenAirDocs: center of Williamston, MI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.6833&lon=-84.2836&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report February 11, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 165629
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI70F0214
- Page: https://openairdocs.org/ntsb/CHI70F0214

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2969   69/7/2    WILLIAMSTON,MICH    PIPER PA-11         CR-  1  0  0  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0815                    N4713M              PX-  0  0  0  AERIAL APPLICATION        AGE 51, 1718 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            1030 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WEBBERVILLE,MICH           UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  780                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  850                 SWATH RUN-HOW FLOWN - CROSSWIND
         FIRE AFTER IMPACT
        REMARKS- CRCD FIELD,CLRD HIGH WIRES,HIT OTR WIRES APRX 30FT AGL.FLAGMAN PSN UNDER HIGH WIRES.
```

## Aircraft

- Registration: [N4713M](https://openairdocs.org/deregistered/N4713M-1976-06-15), registration cancelled 1976-06-15, S/N 11-222 (OpenAirDocs)
- Reported make and model: PIPER PA-11
- Registry model: [Piper PA-11](https://openairdocs.org/model/piper-pa-11) (registry code 7101102) (OpenAirDocs)
- Registry engine: [Continental C85 series](https://openairdocs.org/engine/continental-c85-series) (registry code 17008, reciprocating) (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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