NAICS 334511 — Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 
BEA sector: Search, detection, and navigation instruments manufacturing
Activity: Acceleration indicators and systems components, aerospace type, manufacturing
Activity: Aeronautical systems and instruments manufacturing
Activity: Air traffic control radar systems and equipment manufacturing
Activity: Airborne navigational systems manufacturing
Activity: Aircraft flight instruments (except engine instruments) manufacturing
Activity: Airframe equipment instruments manufacturing
Activity: Airspeed instruments (aeronautical) manufacturing
Activity: Altimeters, aeronautical, manufacturing
Activity: Angle-of-attack instrumentation manufacturing
Activity: Angle-of-yaw instrumentation manufacturing
Activity: Artificial horizon instrumentation manufacturing
Activity: Bank and turn indicators and components (aeronautical instruments) manufacturing
Activity: Cabin environment indicators, transmitters, and sensors manufacturing
Activity: Compasses, gyroscopic and magnetic (except portable), manufacturing
Activity: Countermeasure sets (e.g., active countermeasures, jamming equipment) manufacturing
Activity: Distance measuring equipment (DME), aeronautical, manufacturing
Activity: Driftmeters, aeronautical, manufacturing
Activity: Electronic guidance systems and equipment manufacturing
Activity: Fathometers manufacturing
Activity: Fish finders (i.e., sonar) manufacturing
Activity: Flight and navigation sensors, transmitters, and displays manufacturing
Activity: Flight recorders (i.e., black boxes) manufacturing
Activity: Glide slope instrumentation manufacturing
Activity: Gyrocompasses manufacturing
Activity: Gyrogimbals manufacturing
Activity: Gyroscopes manufacturing
Activity: Heads-up display (HUD) systems, aeronautical, manufacturing
Activity: Horizon situation instrumentation manufacturing
Activity: HUD (heads-up display) systems, aeronautical, manufacturing
Activity: Hydrophones manufacturing
Activity: Inertial navigation systems, aeronautical, manufacturing
Activity: Infrared homing systems, aeronautical, manufacturing
Activity: Instrument landing system instrumentation, airborne or airport, manufacturing
Activity: Instruments, aeronautical, manufacturing
Activity: Light reconnaissance and surveillance systems and equipment manufacturing
Activity: Machmeters manufacturing
Activity: Nautical systems and  instruments manufacturing
Activity: Navigational instruments manufacturing
Activity: Omnibearing instrumentation manufacturing
Activity: Pictorial situation instrumentation manufacturing
Activity: Position indicators (e.g., for landing gear, stabilizers), airframe equipment, manufacturing
Activity: Proximity warning (i.e., collision avoidance) equipment manufacturing
Activity: Radar detectors manufacturing
Activity: Radar systems and equipment manufacturing
Activity: Radio magnetic instrumentation (RMI) manufacturing
Activity: Rate-of-climb instrumentation manufacturing
Activity: Search and detection systems and instruments manufacturing
Activity: Sextants (except surveying) manufacturing
Activity: Sonabuoys manufacturing