Cadillac Aircraft Services, INC has been owned and operated by IA, Joe Sprague and wife Stephanie for over 12 years. Joe has been in this same hangar for over 23 years. At the age of 16 he started an internship with Tony Koehler at Koehler Aviation and has never looked back. Joe has prided himself on keeping this business thriving with integrity. With so many services offered and competitive pricing, we are Northern Michigan's preferred Aviation shop.