The Helicopter Association International (HAI) is a non-profit, professional trade association of over 1, 400 member organizations from 70 nations. 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.

The American Helicopter Society (AHS) is the world's premier professional vertical flight society. Since its inception in 1944, AHS has been a major force in the advancement of a global rotorcraft industry, marked by rapid technical developments and expanding military capabilities and commercial applications.

Vietnam Helicopter Pilots Association VHPA The Vietnam Helicopter Pilots Association (VHPA) is a non-profit war veterans organization filed under Section 501(c)(19) of the Internal Revenue Service. It is dedicated to the fulfillment of the following purposes: To enhance and accredit the cohesiveness, esprit de corps, and traditions of valor of rotary wing aircrews that flew in Southeast Asia ...

This Foundation is dedicated to acquiring, preserving and protecting the historical materials that chronicle the aviation careers of Igor Sikorsky, the companies he founded and the accomplishments of its employees. The collection dates from the latter part of the nineteenth century to the present. It consists of approximately 5, 000 cubic feet of Sikorsky historical ...

The Helicopter Aviation Home Page Welcome to the Helicopter Aviation Home Page. Everything you ever wanted to know about helicopters, and then some! One word of warning. I've included a lot of pictures on these pages, so some pages take a while to download. Hopefully, you'll find the wait to be worth it. A color display is a real plus, as I've used color a lot in diagrams and pictures. The ...

Helicopters have the amazing ability to fly in 3-D. Learn how they accomplish this feat and a bunch of other cool tricks!

A magazine that is published to furnish aviation professionals (in agriculture, aerial fire suppression, and forestry), chemical dealers, and consultants an educational and entertaining magazine to provide understanding, enjoyment, and information; and to help provide unity among these professionals worldwide.

HUMMINGBIRD is a small autonomous research helicopter which navigates using an intergration of the Global Positioning System with computer vision.

The American Helicopter Society's online searchable database of technical publications.

Now shipping: Aerodynamics of the Helicopter - the classic text by Alfred Gessow and Garry C. Myers.

South Carolina Helicopter Association Promoting Helicopters in South Carolina Welcome to our Homepage, our Association and our love of Helicopters Best experienced with Click here to start. The South Carolina Helicopter Association (SCHA) was incorporated under the laws of South Carolina and was established June 3, 1974 to be a statewide non-profit organization to promote safety, encourage ...

BOEING-SIKORSKY RAH-66 COMANCHE STEALTH HELICOPTER The Boeing Sikorsky RAH-66 Comanche is the world's most advanced helicopter and the cornerstone of the U.S. Army's Force XXI aviation modernization plan. The Comanche makes use of the latest advancements in aerospace technology, including stealth which has until now been confined to airplanes. Abilities The sophisticated design of the Comanche ...