- Aircraft/aerospace flight instruments and guidance systems (2)
- Acceleration indicators and systems components, aerospace (3)
- Aircraft flight instruments (1)
- Electronic detection systems (aeronautical) (1)
- Aircraft control instruments (2)
- Aircraft control systems, electronic (1)
- Navigational systems and instruments (3)
- Sonar systems and equipment (3)
- Space vehicle guidance systems and equipment (1)
- Defense systems and equipment (4)
- Missile guidance systems and equipment (1)
- Detection apparatus: electronic/magnetic field, light/heat (2)
