BOTH INTERNATIONAL & INLAND Vessel "A" is overtaking vessel "B" as shown in illustration D017RR below. Vessel "B" is an air-cushion vessel operating in the nondisplacement mode. In addition to a steady white light which other light will vessel "A" observe on vessel "B"?

Correct Answer: Option C — Flashing yellow light

Per COLREGS Rule 23(m), an air-cushion vessel operating in the non-displacement mode shall, in addition to the lights prescribed, exhibit an all-round flashing yellow light to warn approaching vessels of its unique operating profile and high speed capabilities.