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Envoy Aerospace is a group of dedicated professionals committed to providing an unsurpassed level of service when it comes to aircraft type certification solutions. Envoy Aerospace specializes in helping clients obtain U.S. (FAA) Supplemental Type Certificates (STC) for major design changes on aircraft.As the aviation community becomes more and more globally oriented we provide assistance to our clients as they look to include foreign aircraft type approval to their modification programs.Envoy is pleased to offer our services as an FAA STC Organization Designation Authorization (ODA). This delegation offers some additional autonomy over conventional certification methods. The goal of the ODA is to make certification timelines more predictable for the aircraft modifier and to alleviate FAA workload where warranted. The most noteworthy improvement to aircraft modifiers is access to the ODA in a manner consistent with the industry – seven days a week, twenty-four hours a day.