Vietnam Helicopter Crew Member Association
- A nonprofit, nonpolitical, fraternal association always looking for former Vietnam helicopter crew members.
- http://www.vhcma.org/

Popular Rotorcraft Association (PRA)
- The PRA is an organization of rotorcraft enthusiasts, engineers, designers, builders, fliers, and local chapters.
- http://www.pra.org/

South Carolina Helicopter Association
- Promotes fair and just insurance rates for owners and operators and encourages helicopter safety.
- http://www.helicopter.org/

Vietnam Helicopter Pilots Association (VHPA)
- The VHPA is a non-profit war veterans organization. It is dedicated to the helicopter pilots who servered in the Vietnam War.
- http://www.vhpa.org/

Army Aviation Heritage Foundation (AAHF)
- Dedicated to presenting the Army Aviation story to the American people through transportable flying presentations and static displays of the actual aircraft and equipment used by the men and women
- http://www.armyav.org/

AHS International - The Vertical Flight Society
- The professional society for the advancement of vertical flight technology and its useful application throughout the world.
- http://www.vtol.org/

Helicopter Association International (HAI)
- Since 1948, HAI has been dedicated to promoting the helicopter as a safe and efficient method of transportation, and to the advancement of the civil helicopter industry.
- http://www.rotor.com/