- Aircraft/aerospace flight instruments and guidance systems (1)
- Acceleration indicators and systems components, aerospace (1)
- Aircraft control systems, electronic (1)
- Automatic pilots, aircraft (2)
- Radar systems and equipment (4)
- Sonar systems and equipment (3)
- Defense systems and equipment (1)
- Warfare counter-measure equipment (1)
- Detection apparatus: electronic/magnetic field, light/heat (2)
