Test yourself: 5 hard theory questions, free Airspace, weather, regs and aerodynamics, FAA-style — instant score, every answer explained. No signup.
Free testmediumILS
The outer marker of an ILS is identified by:
A
A continuous dash at 400 Hz with a blue light
B
Alternating dots and dashes at 1300 Hz with an amber light
C
Six dots per second at 3000 Hz and a white light
D
Continuous dashes at 400 Hz and a blue/purple light
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See where you stand: 5 hard questions, instant score, every answer explained.