Air Tractor 504 ZK-SKF. This is purchased new in 2012 and is a dual control aircraft and is configured for fertiliser and spraying. Payload is 1900kg and is powered by 750hp Pratt and Whitney turbine engine, considered to be the worlds safest and reliable engine.
Air Tractor 402B ZK-SAT. This was purchased new in 1995 and was the first 402 to have a seat in the back for the loader driver and is configured for fertiliser and spraying. Payload is 1470kg and is also powered by 750hp turbine engine.
Pacific Aerospace Fletcher ZK-BII. This aircraft is very rarely used these days and is only used as a back up but spends its time spraying our own crops when the other aircraft are away working. It is powered by a 400hp piston engine. It was serial number 36 off the production line in 1956.