# NTSB MKC74DCD13: Aero Comdr A-9, N7706V, Jefferson, IA, August 29, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 29, 1973
- Place: Jefferson, IA · JEFFERSON, IA
- Location: 42.0177° N, 94.3794° W: Placed by OpenAirDocs: center of Jefferson, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0177&lon=-94.3794&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report October 16, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 189101
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC74DCD13
- Page: https://openairdocs.org/ntsb/MKC74DCD13

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2668  73/8/29    JEFFERSON,IOWA      AERO COMDR A-9      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 44, 889
        TIME - 1440                    N7706V              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 245 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - JEFFERSON
        DEPARTURE POINT             INTENDED DESTINATION
          JEFFERSON,IOWA              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: PROCEDURE TURNAROUND
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
           MISCELLANEOUS - VORTEX TURBULENCE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  245                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          GLOVES - NOT USED                                        GOGGLES - NOT 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 -  1040
          SWATH RUN-HOW FLOWN - DOWNWIND                           PROCEDURE TURNAROUND - SECOND 1/3 TURN
        REMARKS- ACFT COLLIDED WITH GND DURING TURN AROUND AT LOW ALTITUDE.ENCTRD WAKE TURB WHILE FLYING SLOW.
```

## Aircraft

- Registration: [N7706V](https://openairdocs.org/deregistered/N7706V-1973-10-05), registration cancelled 1973-10-05, S/N 1457 (OpenAirDocs)
- Reported make and model: AERO COMDR A-9
- Registry model: [Aero Commander CALLAIR A-9B](https://openairdocs.org/model/aero-commander-callair-a-9b) (registry code 0144206) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Jefferson

## 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 19730829027979A](https://openairdocs.org/incident/19730829027979A), Aug 29, 1973: Slinds B1A, Jefferson, IA, Substantial damage. Acft collided with gnd during turn around at low altitude. Enctrd wake turb while flying slow.

## Other investigations on N7706V (3)

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 MKC72DCA03](https://openairdocs.org/ntsb/MKC72DCA03), Aug 7, 1971: Aero Comdr A9B (N7706V), Fulton, MO, substantial damage
- [NTSB MKC71FCJ09](https://openairdocs.org/ntsb/MKC71FCJ09), Jul 27, 1970: Callair A-9B (N7706V), Giltner, NE, substantial damage
- [NTSB MKC70F0160](https://openairdocs.org/ntsb/MKC70F0160), Aug 4, 1969: Callair A-9B (N7706V), Phillips, NE, 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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