# NTSB MKC72FCA10: Aero Comdr A-9B, N7761V, Clarkton, MO, October 2, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 2, 1971
- Place: Clarkton, MO · CLARKTON, MO
- Location: 36.4520° N, 89.9681° W: Placed by OpenAirDocs: center of Clarkton, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=36.4520&lon=-89.9681&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 17, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164644
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72FCA10
- Page: https://openairdocs.org/ntsb/MKC72FCA10

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4380   71/10/2   CLARKTON,MO         AERO COMDR A-9B     CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 42, 9620
        TIME - 1230                    N7761V              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 1200 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - GIDEON MEMORIAL
        DEPARTURE POINT             INTENDED DESTINATION
          GIDEON,MO                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: PULLUP FROM SWATH RUN
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: PUMPS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - FUEL STARVATION
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 8000                       KIND OF OPERATION - DEFOLIATION (LIQUID)
          KIND OF CROP - COTTON                                    TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - NOT 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 -  300                 SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - ENTRY TO PROCEDURE TURN
        REMARKS- ENG DRIVEN FUEL PUMP DRIVE GEARS FAILED. PLT HAD TO CLEAR TREES BEFORE STALLING INTO COTTON FLD.
```

## Aircraft

- Registration: [N7761V](https://openairdocs.org/aircraft/N7761V), registered now, S/N 1518, built 1969 (OpenAirDocs)
- Reported make and model: AERO COMDR A-9B
- Registry model: [Aero Commander CALLAIR A-9B](https://openairdocs.org/model/aero-commander-callair-a-9b) (registry code 0144206) (OpenAirDocs)
- Registry engine: [Lycoming TI0-540 series](https://openairdocs.org/engine/lycoming-ti0-540-series) (registry code 41533, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Gideon Memorial

## Other investigations on N7761V (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 CHI92DTG02](https://openairdocs.org/ntsb/CHI92DTG02), Jun 13, 1992: Callair A9B (N7761V), Bisbee, ND, substantial damage. Probable cause: THE LOSS OF ENGINE POWER DUE TO FUEL STARVATION RESULTING FROM THE PILOT'S INADEQUATE PREFLIGHT INSPECTION.

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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