Located at Lambert-St. Louis International Airport, On Site Aircraft Service, Inc., delivers everything you need and expect for the maintenance of your aircraft. In business since 2004, our goal is to exceed your expectations in performance and quality, with on time delivery and within budget.
We perform line maintenance service on Part 91, 135 and 121 aircraft. On call 24/7 supporting Lambert-St. Louis International Airport (STL), Spirit of St. Louis Airport (SUS), St. Louis Downtown Airport (CPS), MidAmerica Airport (BLV), as well as the smaller airports within the St. Louis region, we are ready to rectify the demands of your aircraft anywhere in the St. Louis region.