Alasdair's Site

Boutique Aéro - Much cheaper for French charts than UK suppliers

La Boutique du Pilote - Another French supplier

Flightstore

flyasg.co.uk - Guernsey based with VAT-free prices

The Flying Shop

Harry Mendelssohn - Navigation and GPS supplies

LXavionics - UK-based supplier of light aircraft and glider avionics

Pilot Warehouse Online

Transair Pilot Shop