# NTSB FTW74DPJ04: Boeing A75N1, N75321, Minco, OK, August 3, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 3, 1973
- Place: Minco, OK · MINCO, OK
- Location: 35.3156° N, 97.9514° W: Placed by OpenAirDocs: center of Minco, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.3156&lon=-97.9514&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 30, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189704
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW74DPJ04
- Page: https://openairdocs.org/ntsb/FTW74DPJ04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1766   73/8/3    MINCO,OKLA          BOEING A75N1        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE UNK/NR,
        TIME - 0620                    N75321              PX-  0  0  0  AERIAL APPLICATION        2300 TOTAL HOURS, 350 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - CHICKASHA
        DEPARTURE POINT             INTENDED DESTINATION
          MINCO, OKLA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              IN FLIGHT: PROCEDURE TURNAROUND
           GEAR COLLAPSED                                           IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  650                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  1146                SWATH RUN-HOW FLOWN - WIND CALM
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
        REMARKS- DRG RCVRY LDG GEAR STRUCK GND ANDSEPARATED.PLT FLEW 16MI AND MADE A BELLY LDG ON SOD STRIP.
```

## Aircraft

- Registration: [N75321](https://openairdocs.org/aircraft/N75321), registered now, S/N 75-3523 (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: [Continental W670 series](https://openairdocs.org/engine/continental-w670-series) (registry code 17018, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Chickasha

## 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 19730803022669A](https://openairdocs.org/incident/19730803022669A), Aug 3, 1973: Boeing A75N1, Minco, OK, Substantial damage. Drg rcvry ldg gear struck gnd andseparated. Plt flew 16MI and made a belly ldg on sod strip.

## Other investigations on N75321 (4)

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 WPR23LA050](https://openairdocs.org/ntsb/WPR23LA050), Oct 26, 2022: Boeing A75N1(PT17) (N75321), Long Beach, CA, substantial damage. Probable cause: The pilot’s failure to maintain directional control during landing.
- [NTSB FTW76DQH09](https://openairdocs.org/ntsb/FTW76DQH09), Sep 14, 1976: Boeing A75 (N75321), Tulia, TX, substantial damage
- [NTSB MKC71DCQ35](https://openairdocs.org/ntsb/MKC71DCQ35), Apr 25, 1971: Boeing A75N1 (N75321), Liberal, KS, substantial damage
- [NTSB UNK64X2690](https://openairdocs.org/ntsb/UNK64X2690), Jul 6, 1964: Boeing A75N1 (N75321), Brangeville, ID, 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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