Too many to count. Plus there's different versions of aircraft (spitfire mk. II, mk.XII) so it depends on how specific you want to get.
They have 88 aircraft.
around 550
What's normal? there are many different aircraft
6 are its own aircraft
Singapore Airline has 107 aircraft.
QANTAS currently has a fleet of 149 aircraft.
Many specialist technicians work on modern aircraft.
Many websites provide listings of aircraft for sale. Examples include Find Aircraft, Aircraft, Aircraft Dealer, Aircraft Dealers, and Aviation Dealer Index.
The plural of aircraft is aircraft.One aircraft, two aircraft, ten aircraft.
Can vary for different aircraft, but it depends on the number of seats
132 Aircraft In Operation At This Present Time.
I think Jet Airways have 97 Aircraft