334511 Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing

Official definition

This U.S. industry comprises establishments primarily engaged in manufacturing search, detection, navigation, guidance, aeronautical, and nautical systems and instruments. Examples of products made by these establishments are aircraft instruments (except engine), flight recorders, navigational instruments and systems, radar systems and equipment, and sonar systems and equipment.

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• Manufacturing global positioning system (GPS) equipment are classified in Industry 334220, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing.
• Manufacturing aircraft engine instruments and meteorological systems and equipment are classified in U.S. Industry 334519, Other Measuring and Controlling Device Manufacturing.

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 334511

The Census index assigns these 58 activities to this code. If your business matches one, this is your code.

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

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 334511

To count as a small business for SBA loans and federal contracts under NAICS 334511, your business (including affiliates) must not exceed 1,350 employees. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 2651), so treat them as a starting point and check the definition.

• 26511Manufacture of electronic measuring, testing etc. equipment, not for industrial process controlUK SIC
• 26512Manufacture of electronic industrial process control equipmentUK SIC
• 26513Manufacture of non-electronic measuring, testing etc. equipment, not for industrial process controlUK SIC
• 26514Manufacture of non-electronic industrial process control equipmentUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

• 334510Electromedical and Electrotherapeutic Apparatus Manufacturing
• 334512Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
• 334513Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables
• 334514Totalizing Fluid Meter and Counting Device Manufacturing
• 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
• 334516Analytical Laboratory Instrument Manufacturing
• 334517Irradiation Apparatus Manufacturing
• 334519Other Measuring and Controlling Device Manufacturing