Otto Instruments provides maintenance, repair and overhaul services to original equipment manufacturers, foreign/domestic commercial air transport, cargo/freight, regional, corporate and private aircraft operators, among others around the world. The company also manufacturers aircraft components and test accessories based on customer requirements, such as engine wire harness assemblies and ground support equipment. Located in Ontario, Calif., Otto Instruments operates as fully licensed and factory authorized Honeywell repair centers with capabilities that encompass commercial/military avionics, autopilot, air data and flight guidance systems. The company is FAA/EASA authorized and is ISO9001 and AS9100 certified.