(c) In distress.
An aircraft in distress has right-of-way over any other category of aircraft.
(d) Converging traffic, same category aircraft, same or almost the same altitude.
The aircraft to the other’s right has the right-of-way.
(e) Approaching head-on
When approaching head on or nearly so, both aircraft will alter course to the right to pass well clear.
(f) Overtaking
Aircraft being overtaken have the right-of-way, the overtaking aircraft shall alter course to the right and pass well clear.
(g) Landing
Aircraft while on final approach or while landing have right-of-way over aircraft in flight or operating on the surface.
When two or more aircraft are landing, the lower aircraft has right-of-way (but not to be used to cut-in-front of other aircraft or to overtake)
(b) Rotorcraft
Enough fuel to fly to the point of intended landing and assuming normal cruising speed, to fly after that for at least 20 mins.