ETC’s GL-4000 Flight Simulator Supports Upset Recovery Training and Research Through Its Advanced Technology

Southampton, PA, USA, July 2011 – Aircrew Training Systems, a strategic business unit of Environmental Tectonics Corporation (OTC Bulletin Board: (ETCC:PK) (“ETC”) announces the GYROLAB GL 4000 simulator’s latest technology to support upset recovery, advanced training and research.

For a limited time, ETC is inviting qualified pilots to be a part of a select group of aviation professionals to participate in a research project to evaluate all aspects of the GL-4000 simulator for upset recovery training and research. This focus group will fly in the GL-4000 flight simulator installed at its subsidiary, the National Aerospace Training and Research (NASTAR) Center’s test facility from June through August, 2011.

Due to the increasing automation of commercial aircraft, pilots have become increasingly dependent upon automated systems and do not have the opportunity to regularly practice and develop the airmanship skills necessary to recover from out of the normal flight envelop conditions. The GL-4000 provides “stick time” and valuable hands on experience to pilots, useful when the autopilot turns off during a flight. By using G-Pointing, the GL-4000 puts the pilots under the same physiological effects they feel while actually flying an aircraft. This enables pilots to better understand how it feels to be disoriented and prepares them for the potential upset in an actual flight.

The GL- 4000 flight simulator has a 10 foot planetary arm and an electro mechanical motion drive system and provides 360⁰ of continuous rotation in 4 axes of motion: Planetary, Yaw, Roll, and Pitch. The electro mechanical motion drive system supports the generation of G forces with a maximum G level of 4 G’s at mean onset rates of up to 1 G/second. This motion profile stresses the pilot just as he would be stressed while flying the real aircraft. This is a stark contrast from traditional 6 Degree of Freedom (DoF) motion systems which only provide transient rotational acceleration cueing to the pilot that frequently proves inadequate and supports counterproductive training. Thus, pilots are better prepared when they step into the cockpit for a live flight.

The GL-4000 flight simulator offers a flexible and cost efficient method to safely conduct upset recovery training in an authentic sustained G, continuous motion. This allows the pilot to develop recovery skills that directly transfer to the aircraft in a safe environment. The flexibility of the GL-4000 flight simulator allows trainees to practice flight in any weather, on any day and at any time. Motion profiles are offered from a standard bank, developed in part by re-creations of specific past upsets documented and recorded by the National Transportation and Safety Board (NTSB) or can be custom designed to address each Client’s unique requirements.

ETC, Aircrew Training Systems (ATS) division markets the GL-4000 flight simulator worldwide. The GL-4000 cockpit can be configured for any international aircraft, commercial or military with an adapted aeromodel to emulate each craft’s individual performance envelope.

More detailed specifications for the GL-4000 flight simulator and other Aircrew Training Systems, please contact the Aircrew Training Systems (ATS) group.

Foward-Looking Statement: This press release contains forward-looking statements, which are based on management's current expectations and are subject to uncertainties and changes in circumstances. Words and expressions reflecting something other than historical fact are intended to identify forward-looking statements, but are not the exclusive means of identifying such statements. The Company's actual results could differ materially from those anticipated in forward-looking statements as a result of a variety of factors, including those discussed in "Risk Factors" included in the Company's most-recent Annual Report on Form 10-K filed with the United States Securities and Exchange Commission. We caution you not to place undue reliance on these forward-looking statements.

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