The Institute of Navigation Non-profit professional society dedicated to the advancement of the art and science of navigation.
Royal Institute of Navigation If you have an interest in navigation in its broadest terms - from aircraft Cat III landings though sailing for pleasure to orientation strategies with young children, then you should consider membership of the RIN.
AirplaneCharts.Com Aviation VFR and IFR Charts. Sectional and Terminal Charts. NOS Low Altitude Enroute Charts and Approach Plates.
Flight Plan Information Provides online flight planning and submission. Includes flight navigation log (printable) for generation of computed flight plans, Java applets for the calculation of wind correction and ground speed, mass and balance, density altitude, flight level, cross wind component and other aviation related calculations.
Aviation Formulary Introduction to the mathematical processes used in navigation including great circle navigation theory.
Pocket FMS Shareware flight planning and moving map solution for PC and pocket PC. Instructions and downloads.
Aeroplanner Offers online flight planning, sectional charts, and weather outlooks.
Airports En Route Airports directory with flight plan calculator. Computes distance, track, heading, ground speed and time en route between US and Canadian locations.
Density Altitude Calculator JavaScipt calculator for pilots. Determines density altitude from the altitude, air temp, altimeter setting and relative humidity.
Flycalc Flycalc is a web based, navigation tool for New Zealand based flight plans.
Jeppesen Sanderson Publisher of flight information, supported by computer flight planning services, aviation weather services, and aviation training systems.
National Air Traffic Services Provides aeronautical information services including let down plates and aviation warnings. Free registration required.
NotamPlot Free UK NOTAM plotting software for private pilots. Download, features and user guide. Limited features in free version.
FlightLogXL Flight log in Excel. Calculates heading, distance and time based on entered waypoints.