ADDS, NOAA’s Aviation Digital Data Service.
DUATS Weather from GTE, on-line weather, free Cirrus software
NOAA Satellite Service Division, Real-time West Coast Weather Satellite Image
Sun and Moon Data, USNO: when is the end of civil twilight?
ACI — Airports Council International — airport traffic page.
Avstop Magazine Online, aviation news, history, general aviation information, stories of interest, legal research tools, etc.
First Flight to Checkride: AAC member Hamish Reid’s account of learning to fly.
Gene Whitt’s website: a treasure trove of tips, lessons, aviation data, history, etc.
Joe Campbell’s “Diary of an IFR Ticket“, an entertaining diary of a local (Hayward) flyer’s struggle to get an IFR rating by flying 52 hours in 18 days spread over three weeks in 1993.
John Booth’s Automated Reservation System for Aircraft (ARSA) — a very stable, useable, and well-supported automated aircraft reservation system well-suited to club use.
Information for Pilots
AirNav: detailed aeronautical information on airports and navaids.
Dauntless Software: free FAA test prep software and more
Flight Physical.com, database of FAA Medical Examiners
FAA’s TFR listings.
AVweb.com, the World’s premier independent aviation news source.
The Aviation Directory, aviation only search engine