# NTSB MKC78DCD54: Callair A-9B, N7757V, Lake Park, IA, September 6, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 6, 1978
- Place: Lake Park, IA · LAKE PARK, IA
- Location: 43.4469° N, 95.3249° W: Placed by OpenAirDocs: center of Lake Park, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.4469&lon=-95.3249&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 3, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 140120
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC78DCD54
- Page: https://openairdocs.org/ntsb/MKC78DCD54

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2310   78/9/6    LAKE PARK,IA        CALLAIR A-9B        CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1130                    N7757V              PX-  0  0  0  AERIAL APPLICATION        AGE 30, 2921 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1250 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LAKE PARK,IA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: CROP                                      IN FLIGHT: FLAREOUT FOR SWATH RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED AND ALTITUDE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 2900                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 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 -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  1400                SWATH RUN-HOW FLOWN - WIND CALM
```

## Aircraft

- Registration: [N7757V](https://openairdocs.org/deregistered/N7757V-2018-02-23), registration cancelled 2018-02-23, S/N 1503, built 1969 (OpenAirDocs)
- Reported make and model: CALLAIR 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

## 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 19780906025119A](https://openairdocs.org/incident/19780906025119A), Sep 6, 1978: Airpts A9A, Lake Park, IA, Substantial damage

## Other investigations on N7757V (2)

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 DEN86FTK02](https://openairdocs.org/ntsb/DEN86FTK02), May 20, 1986: Aero Commander Callair A-9B (N7757V), Dell Rapids, SD, substantial damage
- [NTSB MKC74DER05](https://openairdocs.org/ntsb/MKC74DER05), Aug 9, 1973: Aero Comdr A-9B (N7757V), Winnebago, 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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