(a) General. Each person operating an aircraft on the water
shall, insofar as possible, keep clear of all vessels and avoid impeding
their navigation, and shall give way to any vessel or other aircraft that
is given the right-of-way by any rule of this section.
(b) Crossing. When aircraft, or an aircraft and a vessel, are on
crossing courses, the aircraft or vessel to the other's right has the
(c) Approaching head-on. When aircraft, or an aircraft and a
vessel, are approaching head-on, or nearly so, each shall alter its course
to the right to keep well clear.
(d) Overtaking. Each aircraft or vessel that is being overtaken
has the right-of-way, and the one overtaking shall alter course to keep
(e) Special circumstances. When aircraft, or an aircraft and a
vessel, approach so as to involve risk of collision, each aircraft or
vessel shall proceed with careful regard to existing circumstances,
including the limitations of the respective craft.