• rec.aviation.aerobatics (newsgroup)
• rec.aviation.announce (newsgroup)
• rec.aviation.answers (newsgroup)
• rec.aviation.hang-gliding (newsgroup)
• rec.aviation.homebuilt (newsgroup)
• rec.aviation.ifr (newsgroup)
• rec.aviation.marketplace (newsgroup)
• rec.aviation.military (category)
• rec.aviation.misc (newsgroup)
• rec.aviation.owning (newsgroup)
• rec.aviation.piloting (newsgroup)
• rec.aviation.products (newsgroup)
• rec.aviation.questions (newsgroup)
• rec.aviation.restoration (newsgroup)
• rec.aviation.rotorcraft (newsgroup)
• rec.aviation.simulators (newsgroup)
• rec.aviation.soaring (newsgroup)
• rec.aviation.stories (newsgroup)
• rec.aviation.student (newsgroup)
• rec.aviation.ultralight (newsgroup)