In a fleet there would be as many as 50+ aircrafts. It depends of it is a aircraft carrier or some other base.
QANTAS currently has a fleet of 149 aircraft.
132 Aircraft In Operation At This Present Time.
as of march 26, there are 40 aircraft in HA fleet
1,089
Fleet
There are only few airlines has wide body only fleet, such as Emirates, Singapore Airlines, Cathay Pacific.
The Singapore Airlines fleet features exclusively wide-body aircraft from three aircraft.
Four fleet carriers
Answer by Charlie N.FedEx currently owns over 670 aircraft.
fleet
A fleet of aircraft.
The USA has the largest Air Fleet. American Airlines, 615 Aircraft Delta Air Lines has 727 + 34 orders