AIRCRAFT
Use italics for names of planes, balloons, gliders, etc.:
the Spirit of St. Louis
Double Eagle II.
Types of planes are roman with initial caps:
Piper Cub
Learjet
Flying Fortress
Planes with numbered or lettered designations form plurals with s, no apostrophe:
C-54s Cessna 185s
F-6Fs MiGs
707s
The maker's name need not be given.
See also Space Terms.