# NTSB SEA73FTI23: Piper PA-25, N6441Z, Belgrade, MT, June 27, 1973

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: June 27, 1973
- Place: Belgrade, MT · BELGRADE, MT
- Location: 45.7827° N, 111.1783° W: Placed by OpenAirDocs: center of Belgrade, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.7827&lon=-111.1783&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report October 17, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189911
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA73FTI23
- Page: https://openairdocs.org/ntsb/SEA73FTI23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2469  73/6/27  NR.BELGRADE,MONT      PIPER PA-25         CR-  0  1  0  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1400                    N6441Z              PX-  0  0  0  AERIAL APPLICATION        35, 7825 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            2025 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BELGRADE,MONT                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: DIRT BANK                                 IN FLIGHT: STARTING SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
                                  PITCH CONTROL PROBLEM
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    6500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      81
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          300                                                       5
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2500                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FAILED ON IMPACT                     GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  5300                SWATH RUN-HOW FLOWN - WIND CALM
         FIRE AFTER IMPACT
        REMARKS- ACFT 98LBS OVR GROSS WT. DEN ALT 7900FT.
```

## Aircraft

- Registration: [N6441Z](https://openairdocs.org/deregistered/N6441Z-1973-10-01), registration cancelled 1973-10-01, S/N 25-600 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25](https://openairdocs.org/model/piper-pa-25) (registry code 7102502) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Bozeman-Gallatin

## 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 19730627018579A](https://openairdocs.org/incident/19730627018579A), Jun 27, 1973: Piper PA25235, Belgrade, MT, Destroyed. Acft 98LBS ovr gross wt. Den alt 7900FT.

## Other investigations on N6441Z (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 SEA71FDG01](https://openairdocs.org/ntsb/SEA71FDG01), Jul 3, 1970: Piper PA-25 (N6441Z), Gallatin Gwy, MT, substantial damage
- [NTSB FTW66F0217](https://openairdocs.org/ntsb/FTW66F0217), Aug 2, 1965: Piper PA-25 (N6441Z), Panhandle, TX, 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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