Below are resources and links we use.

Federal Aviation Administration
A direct link to the Federal Aviation Administration National website.

Federal Aviation Administration, Southwest Region
A direct link to the Federal Aviation Administration, Southwest Region Website.

FAA Advisory Circulars
This link offers direct access to the many FAA Advisory Circulars

Oklahoma Aeronautics Commission
Oklahoma Aeronautics Commission

Oklahoma Airport Operators Association
Oklahoma Airport Operators Association

Aircraft Owners and Pilots Association
Aircraft Owners and Pilots Association

Oklahoma Pilots Association
Oklahoma Pilots Association

National Weather Service
National Weather Service, Norman, OK

Landings
An interesting site, with links to an abundance of aviation databases