CRJ 100/200 Zonal Drying TM System In- Service evaluation successfully completed.

CRJ 100/200 Zonal Drying TM System In- Service evaluation successfully completed. CTT Systems have successfully completed an In-Service evaluation of its Zonal Drying TM System on the CRJ 100/200 A/C. The results after installation and operation of the Zonal Drying System were outstanding. The insulation blankets around the cabin were dried and even the droplets on the aircraft skin were dried and removed. Bombardier has participated during the evaluation and the results were confirmed and supported during a recent CRJ operator conference held in Europe. - "I´m delighted but not surprised of the excellent results in implementing the Zonal Drying TM System in the CRJ100/200 aircraft. We are also pleased to add Lufthansa CityLine to our increasing list of airline customers", comments CTT Systems AB President Mr. Torbjörn Johansson. The CTT Zonal Drying TM System is designed to combat problems related to water condensation in the thermal and acoustic insulation of modern passenger aircraft. Airlines encountering "rain-in-the-plane" syndrome and other difficulties related to moisture accumulation in their insulation blankets can use the Zonal Drying TM System to mitigate these problems, reduce maintenance costs by increasing the service life of the insulation and realize significant fuel savings by eliminating the non-revenue weight of the accumulated water condensate. By keeping dry the area between the interior trim panels and the aircraft skin, the Zonal Drying TM System also reduces corrosion and the risk of failure of electronic systems and wiring. With the Zonal Comfort TM System, which is based upon the evaporative cooling technique, CTT System is now able to provide the industry with a complete moisture management system. The system is offering an increased humidity for passengers and crew, in particular on long haul flights, at the same time as condensation is prevented with the Zonal Drying TM System. To date, CTT have the following customers for the: Zonal Drying TM system: - Martinair for B767-300 and MD11 - Jet Aviation for Executive aircraft's B767-200, B757-200 and Boeing Business Jet - KLM Royal Dutch Airlines for MD11 and B767 - Austrian Airlines for MD80 - LTU for Airbus A330 - Raytheon Systems Company regarding NASA/DLR SOFIA-project (Stratospheric Observatory For Infrared Astronomy) - Swissair for MD11 - Sterling European Airlines for Boeing B737-800 (Next Generation) - Hapag-Lloyd for Boeing B737-800 (Next Generation) - Icelandair for Boeing B757 - Lufthansa CityLine for the CRJ 100/200 Zonal Comfort TM System: - SAS for Boeing B767 - Lufthansa Technik for the Boeing Business Jet - CTT Systems AB is located in Nyköping, Sweden and listed on the OM Stockholm Exchange AB O-list in Stockholm. For further information please contact: Torbjörn Johansson or Gunnar Nilsson President Director Sales & Marketing CTT Systems AB CTT Systems AB Phone: +46-155-284410 +46-155-284410 Fax: +46-155-290884 +46-155-290884 E-mail: torbjorn.johansson@ctt.se gunnar.nilsson@ctt.se Web site: www.ctt.se ------------------------------------------------------------ This information was brought to you by BIT http://www.bit.se The following files are available for download: http://www.bit.se/bitonline/2001/04/04/20010404BIT00290/bit0001.doc http://www.bit.se/bitonline/2001/04/04/20010404BIT00290/bit0001.pdf

About Us

CTT SYSTEMS (NASDAQ OMX Stockholm: CTT), the leading provider of products for aircraft de-humidification and air humidification in the cockpit, the crew rest areas and in the first/business class cabin. CTTs products Zonal Drying ™, Cair ™, Flight Deck and Crew Humidifier are standard or optional equipment onBoeing B787, Airbus A350 and A380. CTT has today more than 450 systems installed in more than 30 airlinesworldwide. CTT has now 20 years of operating experience on the Zonal Drying ™ system plus 14 years on Cair™ and Crew Humidifier systems. IATAs report on fuel-saving measures is now including Zonal Drying ™ as one of the few available fuel-saving systems for retrofitting.

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