Every spring the WI DNR sets up a SEAT (single engine air tanker) fill site at our airport. We have a high capacity irrigation well close bye & we added valves & fittings to fill tanker trucks, around 700gpm. Were just south of fire prone pine country, short flights to drop & back for a quick turn. Today they came & gave a short training for the people that would most likley be there to help fill the plane.

They did 2 small 650 gallon test loads to demonstrate. Here's one load;

Always wanted to be a seat pilot. Very cool, thanks for posting.