An A390 (Wave Ruler) is a fast fleet tanker of the British Navy.
It has a standard complement of 72 persons with an option of 26 extra for helicopter and weapons personnel.
4 passengers can fit but 3 to be comfortable.
Seven passengers
A small airplane can fit upto 4 passengers.
4 Passengers, one driver. If there is a front bench seat, then you can fit 5 Passengers.
2 crew, 12 passengers.
1 driver and 3 passengers
8
an average of 550 passengers can fit on a passenger plane
853
4.
Four
12