i Register
In some senses, scheduled is marked as informal. Watch for register when choosing this word.
adj
Planned; according to schedule.
Included in a Schedule of the Indian Constitution, and as such is recognised by the government as eligible for special protection and consideration; afforded special concessions
scheduled caste; scheduled tribe; scheduled language
noun
Synonym of schedulee.
However, one cannot help finding some similarity between these sharp words and those which became familiar when - well before the oil crisis - the fight between the scheduleds and non-scheduleds was in full swing.
If you have a curfew for the scheduleds, I think you should have them for the nonscheduleds, and of course in general aviation you have a wide range of corporate jet aircraft, and some of these corporate jet aircraft actually make more noise than the usual light-body airline jets, so I think it should stay the way it is.