Otto Instrument Service

Otto Instrument Service, Inc. provides maintenance, repair, and overhaul services for aircraft instruments, accessories, and avionics in the United States and internationally. It repairs directional and gyros, RMI, flight directors, auto spoiler controls, computer amplifiers, annunciator panels, air data sensors, actuators, fuel flow transmitters, inverters, transmitters, altimeters, and MACH airspeed systems, as well as temperature, fuel flow, position, pressure, horizontal sit, vertical speed, and fuel quantity indicators. The company also manufactures aircraft components and test accessories based on customer requirements, such as engine wire harness assemblies and ground support equipment. It serves foreign and domestic commercial air transport, cargo/freight, corporate and private aircraft, and military and defense aircraft operators, as well as original equipment manufacturers. The company was founded in 1946 and is based in Ontario, California. It has operations in Europe, the Middle East, and Africa.