We stock most filters and supplies for Lycoming and Continental engines, to help service your aircraft when you need an oil change. We sell oil by the quart or the case, we work with Aviation Laboratories and always have Oil Analysis kits in stock. Decrease repair costs with powerful preventative maintenance!
To schedule an oil change::
Call (509) 332-6596
Inter-State Aviation offers FAA annual inspections services. Inter-States full time inspection mechanics can maintain your aircraft and perform major and minor repairs, engine overhauls, sheet metal repairs and more.
For more details or to schedule an inspection or repair.
Learn to Fly!
Enroll in Flight School!
Have you ever wanted to learn how to fly? Visit or call Inter-state aviation and schedule an introductory flight with a certified flight instructor today.