# NTSB CHI81FER42: Callair A-9B, N7759V, Hector, MN, June 6, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 6, 1981
- Place: Hector, MN · HECTOR, MN
- Location: 44.7413° N, 94.7121° W: Placed by OpenAirDocs: center of Hector, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=44.7413&lon=-94.7121&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 16, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 125767
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FER42
- Page: https://openairdocs.org/ntsb/CHI81FER42

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1679   81/6/6    HECTOR,MN           CALLAIR A-9B        CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 37, 982
        TIME - 1100                    N7759V              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 68 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          HECTOR,MN                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: TREES                                     IN FLIGHT: CLEANUP SWATH
        PROBABLE CAUSE(S)
           WEATHER - LOCAL WHIRLWIND
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      71
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          270                                                       6
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -   78                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - GRAIN FIELDS                              TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    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 -  1082                SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- PLT RPRTD ENCTRG WHIRL WND OR STRONG DWNDFT,NUMEROUS DUST DEVILS IN THE AREA.
```

## Aircraft

- Registration: [N7759V](https://openairdocs.org/deregistered/N7759V-1981-07-29), registration cancelled 1981-07-29, S/N 1511 (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)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19810606035949A](https://openairdocs.org/incident/19810606035949A), Jun 6, 1981: Airpts A9B, Hector, MN, Destroyed. Aircraft stalled and crashed into trees during spraying operation.

## Other investigations on N7759V (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 FTW78DPG59](https://openairdocs.org/ntsb/FTW78DPG59), Jul 9, 1978: Callair A-9B (N7759V), Ashdown, 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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