Crucial Unlimited MRO
Celebrating 20 years, Crucial is a FAA145 repair station with three locations at STL, CMH, and the SIA/MDH airports. Crucial specializes in bulk RO work of flight controls, interiors, structures, & composites, with industry-leading turn times. Our maintenance hangar is the epicenter of our heavy check activity, supporting up to two regional aircraft, one B737 or one A320, in addition to teardowns, storage, & preservation. Crucial's "Tiger Team" of trained mechanics can be dispatched for AOGs and project support 24/7/365. Contract customers receive pick-up and delivery services with our in-house "Crucial Express" fleet of trucks & trailers. Other offerings include; part exchanges, equipment design & fab, custom aviation trainers, and more.