# NTSB MKC71DER64: Piper PA-25, N7406Z, Hallock, MN, May 29, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 29, 1971
- Place: Hallock, MN · HALLOCK, MN
- Location: 48.7654° N, 96.9425° W: Placed by OpenAirDocs: center of Hallock, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.7654&lon=-96.9425&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 24, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 161446
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC71DER64
- Page: https://openairdocs.org/ntsb/MKC71DER64

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1730  71/5/29    HALLOCK,MINN        PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1130                    N7406Z              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   AGE 36, 434 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            74 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - HALLOCK MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          HALLOCK,MINN                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 TAKEOFF: RUN
           COLLIDED WITH: DITCHES                                   TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           WEATHER - UNFAVORABLE WIND CONDITIONS
        FACTOR(S)
           TERRAIN - OTHER
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      70
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           20                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  100                       KIND OF OPERATION - FERTILIZING (DUST)
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
        REMARKS- OPER FRM 30FT WIDE GRAVEL ROAD,TKOF TO WEST.WIND WNW,NW,GUSTS 30-35K.ARPT AVBL 1/2MI.FERT BARLEY.
```

## Aircraft

- Registration: [N7406Z](https://openairdocs.org/deregistered/N7406Z-1976-04-21), registration cancelled 1976-04-21, S/N 25-3371 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Hallock Muni

## Other investigations on N7406Z (1)

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 MKC70D0146](https://openairdocs.org/ntsb/MKC70D0146), Aug 15, 1969: Piper PA-25 (N7406Z), Big Lake, MN, 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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