Helping You Do Better Since 1947

We at Johnston Aircraft Service have been working with you to support and improve your Ag Aircraft for 3/4 of a century. Callairs, Pawnees, Braves and Thrush - all have come in and out of our doors for modifications, service, repairs, complete rebuilds, and then support afterward.

We support the Brave, Pawnee and Thrush, plus we also help operators worldwide with AgCats, Cessnas and Air Tractors. In addition, we help support the PT6 Turbine Brave, and we work with Cascade Conversions 850 SHP PT6 Conversions for the Thrush and Air Tractor.

Our heavily modified and rebuilt” 850 SHP Ultra Thrush” is an excellent example of what we can do for you. This aircraft is a frontline contender in the 500-gallon category. It is powerful, fast, very nimble, easily handles 500 plus gallon loads up to 106 degrees F., and is a pleasure to fly. We have finished getting the approval for the 4 Blade High Performance Hartzell Prop for this aircraft and the plane is now getting ready for action in Arkansas.

Let’s not overlook our Parts Department, one of the best in the world in support of Ag.

Our people are knowledgeable, efficient, and friendly. We have what you need in the way of Props, Engines, Wings, Landing Gear, Spray Equipment, GPS, Hardware. Fabric, YOU NAME IT.

Having been in the Ag Aviation Support Business for over 74 years, we have a great deal of knowledge and expertise to provide you with unparalleled support. We are here To Help YOU be your Best!!