For bi-directional modes

non-directional beacon (NDB) / non directional beacon

failure modes, effects, and criticality analysis

flight modes

operation modes

Hide unused modes

setup Failsafe in Modes Tab

LED Orientation ('Modes and Orientation') and Color

Modes

Modes and Orientation

controlled directional mine

directional-control hydraulic valve

frequency and directional chart

non-directional jumping mine

directional tread type tire

directional control pedal

non-directional radio beacon with marker (NDB/MRB)

non-directional antenna

non-directional beacon (NDB )

anti-torque control pedal / directional control pedal

directional control pedal / anti-torque control pedal

directional gyro

directional noise measurement

directional radio

directional trimming actuator

non-directional beacon (NDB)

directional antenna

non-directional radio beacon (NDB)

non-directional radio beacon

omni-directional radio range

directional stability

directional infrared counter measures (DIRCM)

directional infrared countermeasures (DIRCM)