# NTSB MKC72FTG23: Boeing A75N1, N51125, Argusville, ND, June 20, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 20, 1972
- Place: Argusville, ND · ARGUSVILLE, ND
- Location: 47.0501° N, 96.9431° W: Placed by OpenAirDocs: center of Argusville, ND, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.0501&lon=-96.9431&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 7, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 167271
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72FTG23
- Page: https://openairdocs.org/ntsb/MKC72FTG23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2756  72/6/20    ARGUSVILLE,N DAK    BOEING A75N1        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 2500
        TIME - 1930                    N51125              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ARGUSVILLE,N DAK            LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: SWATH RUN
           NOSE OVER/DOWN                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - LUBRICATING SYSTEM: LINES,HOSES,FITTING
           MISCELLANEOUS ACTS,CONDITIONS - CHAFED
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           MISCELLANEOUS ACTS,CONDITIONS - OIL STARVATION
           TERRAIN - WET,SOFT GROUND
        FACTOR(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - NOT USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  900                 SWATH RUN-HOW FLOWN - WIND CALM
        REMARKS- ACFT HAD INOP OIL TEMP GAGE. PLT BLINDED BY SUNGLARE,LNDD IN PLOWED AREA.
```

## Aircraft

- Registration: [N51125](https://openairdocs.org/deregistered/N51125-2014-10-14), registration cancelled 2014-10-14, S/N 75-586, built 1941 (OpenAirDocs)
- Reported make and model: BOEING A75N1
- Registry model: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R-985 series](https://openairdocs.org/engine/pratt-whitney-r-985-series) (registry code 52008, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N51125 (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 CHI83LER03](https://openairdocs.org/ntsb/CHI83LER03), Aug 14, 1983: Boeing A75N1 (N51125), Sabin, 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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