Fleet Commonality
Talentz:
Its been like that for awhile.
Fleet common is tuned to provide a break for the first 3-4 aircraft of a fleet type. After that the high cost per aircraft kicks in till after 10 aircraft. Then you have a better cost per plane. Once past 30 aircraft of a fleet type, you get a lower per aircraft cost.
The first few aircraft are "cheap" because they are your starting fleet. Least that's my theory judging from the last time Sami tweak fleet common.
Of course type and age effect the per cost rate. 5 older aircraft will be more expensive to maintain over 5 newer aircraft even if the the newer aircraft are of a larger class.
Hopefully this helps.
Talentz
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