It can, but it's not considered safe.
baliw
Ryanair only operate with one aircraft, which is Boeing 737-800.
Basically the second Magneto is provided as a fail safe. There are a lot of redundancies in aviation, especially when it comes to maintenance and safety. The second magneto on a single engine plane is there to contine to provide a spark to the engine in case of a failure of the first magneto.
Sure it can operate on one engine provided the pilot carries out the correct emergency procedure and that the aircraft is being operated in accordance with manufacturers recommendations
That is a bit too vague and the answer would be extensive depending on the type of aircraft and the country involved. For instance - a hypothetical airline - Albatross Airways - might operate one An-26 whereas Iran air operate 35 Tu-204.
It is an aircraft carrier, that is it's purpose - to operate aircraft and project naval power.
They are all Boeing 737s
Beech 1900
Ailerons are at the rear of the outer wing and operate opposite of each other (one up,other down) Their purpose is to roll the aircraft around its axis.
the word is aviation and that means to operate an aircraft.
tractor
An aircrew is a group of individuals who operate an aircraft as a team.