This article is from the Aviation FAQ, by Geoffrey G. Peck geoff@peck.com with numerous contributions by others.
There are now 20 distinct newsgroups which comprise rec.aviation:
aerobatics aerobatic flight, techniques, events, and clubs
announce events of interest to the aviation community (moderated)
answers frequently asked questions about aviation (moderated)
hang-gliding all aspects of hang-gliding
homebuilt selecting, designing, building, and restoring aircraft
ifr flying under Instrument Flight Rules
marketplace selling and buying aviation-related things
military military aircraft of the past, present and future
misc miscellaneous topics in aviation
owning information on owning airplanes
piloting general discussion for aviators
products reviews and discussion of products useful to pilots
restoration questions, techniques, and groups for restoring aircraft
rotorcraft articles related to helicopters and other rotorwing aircraft
seaplane all aspects of seaplanes
simulators flight simulation on all levels
soaring all aspects of sailplanes
stories accounts of flight experiences (moderated)
student learning to fly
ultralight ultralight, microlight aircraft
It is suggested that you read rec.aviation for a little while
before you post, so that you can best determine which subgroup is
appropriate for your posting.
If you post to a moderated newsgroup, please note that your posting
will be e-mailed to the moderator for approval. Generally, approval
occurs within 48 hours. If your posting does not conform to the
charter of the moderated group, it will not be posted, and, in general
you will not receive a response.
In addition, the following newsgroups outside the rec.aviation
hierarchy may be of interest:
sci.aeronautics the science of aeronautics & related technology (mod.)
sci.aeronautics.airliners (moderated)
sci.military discussion about science & the military (moderated)
rec.travel.air airline travel around the world
 
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