# NTSB MKC76FCD06: Aero Comdr A-9, N7749V, Sac City, IA, August 28, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 28, 1975
- Place: Sac City, IA · SAC CITY, IA
- Location: 42.4220° N, 94.9974° W: Placed by OpenAirDocs: center of Sac City, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.4220&lon=-94.9974&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 17, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150955
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC76FCD06
- Page: https://openairdocs.org/ntsb/MKC76FCD06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2249  75/8/28    SAC CITY,IA         AERO COMDR A-9      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 44, 1320
        TIME - 1720                    N7749V              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 570 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SAC CITY,IA                 LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: CROP                                      IN FLIGHT: SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE,SPEED,ALTITUDE OR CLEARANCE
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  922                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT 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 -  1200                SWATH RUN-HOW FLOWN - UPWIND
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
```

## Aircraft

- Registration: [N7749V](https://openairdocs.org/deregistered/N7749V-2013-02-26), registration cancelled 2013-02-26, S/N 1377, built 1968 (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)
- 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

## 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 19750828024989A](https://openairdocs.org/incident/19750828024989A), Aug 28, 1975: Airpts A9B, Sac City, IA, Substantial damage

## Other investigations on N7749V (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 FTW70FPG35](https://openairdocs.org/ntsb/FTW70FPG35), Jun 10, 1970: Callair A9B (N7749V), Newport, AR, 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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