Morning in the Swiss Vineyards


Each summer day, an artistic avionic ballet takes place over the Swiss vineyards.


The dance begins early in the morning before sunrise because the spray cannot be spread when it’s over 25°C (77℉). The day must be without rain and wind to maximize efficiency and to avoid spraying where it is not needed on cars, houses and roads.


In preparation, the helicopters are landed far from houses to not disturb people when they first take off in the morning. Pilots and flight assistants meet before sunrise and prepare the machines. Another flight assistant is already on site with the fuel truck and cleaning tools. Winemakers are ready too, and begin the meeting with the pilots. Briefing is done by the pilot, analyzing wind direction and sun position. It is impossible to fly at such a low altitude when facing the sun.


The flight assistant fills the tank with the fungicide, the pilot does a spray test, and then they can spray until the weather becomes too warm. After each takeoff, the winemaker and flight assistant are already preparing the next plots that must be covered.


Once the helicopter is back, the first flight assistant takes care of refueling if needed and refills the tank with the spray. The second flight assistant cleans the windshield and the cell windows, and checks the mechanics.


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Considering the numerous areas they have to cover, the pilot and assistants know their job by heart. They operate quickly and precisely with the help of the vineyard owner. They communicate with radios to know exactly where the plot begins and ends. If you harbor any doubts about how tricky this work is, consider that one owner can have several plots in the middle of other owners’ plots. They also must avoid dangerous power lines.


The amazing work provided by the team of Air-Glaciers has a big impact on preserving the grapes and fruits from diseases and insects. Thanks to them, the harvest can be bountiful.


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