I can't stand to hear 'aircrafts.' It sends me peculiar.
(, Tue 3 Aug 2021, 17:03, Reply)
2 or more haircraft, of course.
It's irregular, see. Like airplane:
1 airplane, 2 aerplanes, 3 aeroplanes, 4 aeroplaines, 5 or more aerooplaainees
(, Tue 3 Aug 2021, 18:54, Reply)
is "aircraft".
For some reason, this is different from the plural of "hovercraft", which is "hovercrafts".
(, Wed 4 Aug 2021, 9:25, Reply)