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During a night flight, an observer located in the cockpit, seeing an aircraft coming from front right on approximate opposite parallel track, will first see the:
  • A
    white light
  • B
    green light
  • C
    red and white flashing light
  • D
    red light

Refer to figure.

ICAO Annex 6
Appendix 1.
2. Navigation Lights to be displayed in the air

As illustrate in the attached Figure, the following unobstructed navigation lights shall be displayed:

a) a red light projected above and below the horizontal plane through angle of coverage L (110º);
b) a green light projected above and below the horizontal plane through angle of coverage R (110º);
c) a white light projected above and below the horizontal plane rearward through angle of coverage A (140º).

  • If the aircraft comes from the front right, flying opposite parallel track, you will see the light at the tip of the aircraft's right wing => green light

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