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Thank you for your interest in Groen Brothers Aviation, Inc. (GBA) and our aircraft. Welcome to issue #34 of our website update column. You can be automatically notified of new issues of Hawkís Nest, News Releases and web site updates by clicking on "Contact Us" and following the easy directions. We invite you to enjoy the many informational aspects of our comprehensive web site

AMERICAN AUTOGYRO, INC. FLIGHT TEST REPORT

AAI, GBAíS new subsidiary, has extensively flight tested its Stability Augmentation Modification kit for the RAF2000 aircraft and achieved all its design objectives. Test pilot James Mayfield says "The aircraft is now completely stable and safe to fly. We are very pleased with the significant improvements in all aspects of flight. Itís a fun aircraft to fly!" AAI is currently in the process of installing these kits on GBA/AAI Dealer aircraft, assisting with owner installs and providing gyroplane flight instruction. In addition to safety and performance kits for existing gyroplanes, AAI will produce and has accepted orders for itís new enclosed, 2-place SparrowHawk gyroplane designed for the "kit-built" and upcoming new FAA "Sport Aircraft" category markets. This new gyroplane will also be an excellent entry-level air surveillance vehicle for many law enforcement agencies. Currently in design and development, deliveries are expected to begin in late summer. For more information, we invite you to visit the AAI web site by clicking here on "AAI." Click here on "News" to read the News Release about AAI.

HAWK 4 DEMONSTRATED FOR TSA

Phoenix, AZ Sky Park International Airport security officials along with members of the Phoenix Police Department, recently evaluated the use of the Hawk 4 gyroplane as a deterrent to the potential threat posed by terrorists armed with portable heat seeking missiles to approaching and departing airliners. Security responsibility for the surrounding areas and the perimeter of the airport is handled by the Phoenix PD and is overseen by the TSA. Copies of the positive report have been provided to officials at the TSA and the Airports Council International (ICA) of North America, including vice president Ian Redhead who also recently visited GBA Flight Operations in nearby Buckeye to see the Hawk 4 demonstrated.

GBAíS HEAVY LIFT GYRODYNE CONCEPT

GBA is offering a gyroplane solution to meet the US Armyís need for a vertical take-off and landing heavy lift transport. The GBA Heavy Lift Gyrodyne concept is based on the successful flight characteristics of the Fairey Rotodyne (Please click here on "Rotodyne" for more information), a 200 mph, VTOL commuter gyrodyne developed in the 1950's. GBAís proposal would modify a Lockheed Martin C-130 by equipping it with a GBA designed rotor system incorporating rotor-mounted tip-jets. GBAís concept is in response to a Department of Defense study contract announced last year to examine different concepts for meeting the Armyís need for an Advanced Maneuver Transport (AMT). For more information on our gryodyne concept, please click here on "Gyrodyne."

HAWK 4 AT LUKE AFB OPEN HOUSE

The Hawk 4 Homeland Defenderô Gyroplane was on static display at the recent Luke Air Force Base open house. Parked in front of the hanger housing the F-117 and near one of the main entrances, the Hawk 4 garnered continuous attention from the more than 100,000 attendees. Pictures of the SparrowHawk prototype also added to the attraction and GBA personnel reported tremendous response and high interest throughout the weekend show.

AUTOGYRO/GYROPLANE CONFERENCE SCHEDULED

Hofstra University, in cooperation with the American Helicopter Museum & Education Center, the Popular Rotorcraft Association (PRA), the Cradle of Aviation Museum, the Experimental Aircraft Association (EAA), and the Smithsonian National Air and Space Museum hosted a conference in April entitled From Autogiro to Gyroplane: The Past, Present and Future of an Aviation Industry. This was the first ever university conference dealing with this fascinating facet of aviation history and celebrated the 80th anniversary of the first flight in Spain by Juan de la Cierva and the 75^th anniversary of the first American flight by the aviation pioneer Harold F. Pitcairn. GBA Chairman Jay Groen was one of the many presenters. Jay and David Groen, GBA President & CEO, were among a select group honored with special awards identifying them as a "Gyroplane Pioneer."

TAKING STOCK OF GBA

Groen Brothers Aviation, Inc. is a fully reporting, publicly traded corporation, listed on the OTC Bulletin Board as GNBA at any Stock Brokerage Company. Investment information including stock reports, Market Makers and SEC annual and quarterly reports are accessible on or through our web site by clicking on Investment.

Groen Brothers Aviation, Inc. would like to extend our deepest sympathy to those lives who have been affected by the tragedies on September 11th.