FEMUR: zdánlivě mimo, ale zaujal mě odstavec:
While airport fees based on aircraft noise and emissions performance are not
currently legal in the US, they have been in place in Europe for some time: London
Heathrow, Brussels National, and Madrid Barajas are just a few of the airports that
include aircraft certification noise level as part of landing and takeoff fees.
rozhodně se to týká ekonomiky provozu tichých elektrických (a tedy i solárních) letadel, a ledacos to prozrazuje o té naší zlé, regulacionistické EU :-)