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According to ICAO, from sunset to sunrise or during any other period which may be prescribed by the appropriate authority, what shall all aircraft in flight display?

  • A
    Steady navigation lights and anti-collision lights.
  • B
    Steady navigation lights and two landing lights.
  • C
    Steady navigation lights and one landing light.
  • D
    Steady red, green, and white navigation lights.

ICAO Annex 2
3.2.3 Lights to be displayed by aircraft

3.2.3.1 Except as provided by 3.2.3.5, from sunset to sunrise or during any other period which may be prescribed by the appropriate authority all aircraft in flight shall display:

a) anti-collision lights intended to attract attention to the aircraft; and
b) navigation lights intended to indicate the relative path of the aircraft to an observer and other lights shall not be displayed if they are likely to be mistaken for these lights.

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