1.01  Which statement is true with regard to aircraft converging at approximately the same altitude?

1. A jet airliner has the right of way over all other aircraft.
2. An aircraft towing objects has the right of way over all power-driven heavier-than-air aircraft.
3. An aeroplane has the right of way over all other aircraft which are converging from the left.
4. Aeroplanes towing gliders must give way to helicopters.