fixe - flig
- fixed circuit
- fixed distance lights
- fixed distance markings
- fixed equipment
- fixed landing gear
- fixed lights
- fixed loop
- fixed obstacle
- fixed pitch
- fixed plug nozzle
- fixed sector antenna
- fixed stabilizer
- fixed trim tab
- fixed wing
- fixed(-area) nozzle
- fixed(-area) nozzle
- fixed-geometry air intake
- fixed-incidence tailplane
- fixed-lip air intake
- fixed-pitch propeller
