Challenger Ultralights:            www.quadcitychallenger.com

Challenger 101:                        www.challengers101.com

Excalibur Ultralights:               www.excaliburaircraft.com

Excalibur Group:                      http://groups.yahoo.com/group/FlyExcalibur

Avid Ultralights - Airdales:      www.airdale.com

Barn Stormers:                         www.barnstormers.com

Aerocross Systems - Customer w/ UAV:        www.aerocross.com

Ordering order@customflightsystems.com

Information & Technical Support info@customflightsystems.com