3812  Search, Detection, Navigation, Guidance, Aeronautical, and Nautical
Systems and Instruments

Establishments primarily engaged in manufacturing search, detection,
navigation, guidance, aeronautical, and nautical systems and instruments.
Important products of this industry are radar systems and equipment; sonar
systems and equipment; navigation systems and equipment; countermeasures
equipment; aircraft and missile control systems and equipment; flight and
navigation sensors, transmitters, and displays; gyroscopes; airframe
equipment instruments; and speed, pitch, and roll navigational instruments
and systems. Establishments primarily engaged in manufacturing aircraft
engine instruments or meteorological systems and equipment, including
weather tracking equipment, are classified in industry 3829.