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Butte Aviation Maintenance

​​We have experience on aircraft ranging from small fabric covered singles to small business jets.  Let us help you with all of your aircraft maintenance needs and WANTS!  Please call us with any questions you have or to schedule your aircraft maintenance at 406-494-6694.​​

Your safety is our number one priority.


​​*Maintenance Techs participate in the FAA Random Drug Screening Program

Our Chief Mechanic:

Chief-Mechanic/ Inspector: James Denny

James is a licensed A&P/IA mechanic with over 32 years of active experience in aviation.  He is also a licensed pilot with a passion for flying small tailwheel aircraft.  He attended Embry-Riddle Aeronautical University in Daytona Beach, FL where he earned his:

  • Airframe & Powerplant License

  • B.S. Aviation Maintenance Management

  • A.S. Aviation Business Administration

James has worked in all areas of aircraft maintenance from General Aviation to the Airline Industry.  he has spent a majority of his career in the GA small aircraft community.  During that time, he has gained experience in sailplanes, banner towing, amphib/float planes, crop dusters, as many others.  James is Factory trained on the King Air 200 and B300/350 aircraft as well as other Flight Safety International Maintenance courses. He is experienced in piston engines (opposed and radial), turbo-prop, and turbines.

Please feel free to contact James if you have any questions for him at 406-494-6694 or email at

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