Since 1977 Air Dallas Instruments has grown into a well-respected facility, doing work for companies worldwide. Whether our customers are individuals, a corporation or an airline, we treat everyone with respect. Our facility is located in Lewisville, TX. While the just north of the Dallas/Ft. Worth metroplex. We are the only authorized instrument manufacturer service center in the United States for SATHOM, Revue Thommen AG, and one of only two authorized manufacturer service centers in the United States for Astronautics Corp. We’re also an authorized instrument manufacturer service center for Bombardier Learjet, Cirrus Aircraft Corp., Gulfstream, Honeywell/Bendix/King, Insco, Rochester Instruments, Lewis, MD Helicopter and Ultra Electronic. We are FAA approved repair station under number VE1R555K Full class I, II, III, IV for instruments, Avionics and limited accessories. EASA approved repair station under number EASA 145.4077 AS9110 Rev B & ISO 9001:2008 Certified under number FM 614444 Test capabilities for ARINC 429, 561, 568, 571, 575, and RS422 (CSDB) In House testing of NVG lighting systems.