Links:

Airplane Plans: AviationShoppe.com

Some free downloads, including a sp400 A-10.

Fiddlersgreen-World's Largest Collection (by far!) of downloadable Cardmodels!

These plans, originally for paper scale planes, make excellent depron planes.

Smooth Air - Plans

Some plans for scale models.

Free Jet Plans and Video Links Page

Pusher and EDF jet plans with links to the ezone threads for building.

Mini 3DX Build Thread

Plans and build instructions for the mini 3DX.

Gene's Plans Page

Plans for foam models and some mods to make them fly better.

Martin's Plans

A couple of plans for micro planes.

VAR Aviation Drawing

Profiles and 3-view drawings of lots of military and civilian planes. Great info for scale modeling.

Plans Download

Lots of plans, most for glow, but some electrics

Aircraft Plans In DXF DWG Format

Some nicely drawn scale plans.

The Great 'Links to Free Plans' Thread! - RC Groups

Heaps of free plans for everything from foamies to scale.

Foamflyer's RC Airplanes

Making your own plane from foam is not as difficult as you might think. Here is a nice walkthrough of the process.

Paul L Daniels's Free plans

Some nice free plans

airplane model plans

A great collection of free plans.

Free plans

A Swedish site, but some nice plans here.

FoamyFactory Models - 3D Aerobatic Electric R/C Park Flyer Model Airplanes

3D electric R/C model airplanes and park flyers from Depron or Fanfold foam. Free plans download! Lot’s of great video too. GWS or Brushless motors.