Micro Soft Flight Simulator modules such as FCUIPC and WideFS

Airliners.net, resource for many hundreds of aircraft photographs.

Most respected supplier of pilot flight equipment and aviation accessories throughout Europe.

Virtual Airlines, Online Flying and Flight Simulation using Flight Simulator
 

The International Virtual Aviation Organization™ is a dedicated, independent, free of charge, service to enthusiasts and individuals enjoying and participating in the flight simulation community worldwide

Products range spans from type-specific glass cockpits, flight management systems and interfacing software to data logging and traditional IFR training software.

Flight planning tools for PC flight simulation
 

Unofficial (but highly useful) Airbus study Site.

Red Triangle products for all manor of pilot training

Possibly the ultimate in home built flight simulators. Needs to be seen to be believed  

Quality Hardware solutions for the Flight Simulation Enthusiast market'.

Provider to the flight simulator community of  FMS Data, after the closure of DAFIF in October 2006

Virtual Air Traffic Control Simulation

A full registration of Flight simulators, Home builds, Hardware etc.

Simulation

Pilot Resources

A highly accurate and detailed Flight Simulation of the B747-400.

General Aircraft Links

A320 DISPLAYS AND PANELS

A color full and easy to follow guide for the A320 and its systems

Aircraft and Pilot resource site

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Resource found by Carter and Jace