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Links

Light Sport Aircraft Sales
Barnstormer's
Challenger
Hawk
Kolb
Quicksilver
RANS

Events
AeroVents
AirVenture (Oshkosh, WI)
EAA Calendar of Events

Sun 'n Fun (Lakeland, FL)
 
SC Breakfast Club

Flight Planning
Aeroplanner
AIRNAV
SkyVector

GPS, IPAD, ADS-B
Understanding ADS/B: A Pilot's Guide
Appareo Stratus ADS/B
Garmin ADS/B Portables

GPS Coordinate Search

How GPS Works
IPAD Pilot News
Scout ADS/B Receiver
Stratux ADS/B Receiver
 
The GPS Store

Magazines
EAA News & Publications
Oshkosh 365

Organizations
Experimental Aircraft Association (EAA)
Federal Aviation Administration (FAA)
US Ultralight Association (USUA)
Trenton Flyers (Trenton, SC)

Parts & Accessories
Aircraft Spruce & Specialty
BRS Parachutes
California Power Systems (CPS)
Comtronics Engineering
Leading Edge Air Foils (LEAF)
Lockwood Aviation
Sporty's Pilot Shop
SkySports
Wag-Aero

Rules, Regulations, Information, Instruction
Temporary Flight Restrictions (TFRs)
Federal Aviation Regulations (FARs)
Sport Pilot Academy (from EAA) 
Sport Pilot Instruction (Online) Gleim

Weather
Aviation Weather Center

Intellicast
NOAA Weather
6J0 Weather
Wunderground

Miscellaneous
The Business of Aviation and the Evolution of Air Travel
(Note: thanks to Ben for the above link)