FOR IMMEDIATE RELEASE Securaplane Technologies has been issued a U.S. Patent for "inflection point detection", an accurate battery charging method used on its BC-1300 Series Main Ship Battery Chargers On July 14, 1998, Securaplane was issued a U.S. Patent (Number 5,780,994) for accurate detection of "inflection point", a feat that has eluded battery experts for years and is critical in reducing over-charge and boiling of electrolyte. The ability to detect the "inflection point" ensures that the battery receives the optimum amount of charge for all temperature conditions combined with various battery states of charge. Other benefits of Securaplane's battery charger line include significantly reduced battery maintenance, reduced weight, as well as significant safety enhancements. Securaplane is the world's first battery charger manufacturer to utilize an alpha-numeric display to display faults, status and maintenance items for both battery and charger. Securaplane supplies its main ship battery chargers to Bombardier for its Challenger* 604 and Canadair Regional Jet* production aircraft, FedEx for its MD-11, DC-10 and MD-10 aircraft, and Northwest Airlines and Air Canada for their DC-9 fleet. Securaplane is also a designer and manufacturer of emergency battery systems, aircraft electronic security systems, inverters, and wireless aircraft smoke detection/reporting equipment. Securaplane is based in Tucson, Arizona. For more information contact Securaplane at: 10800 N. Mavinee Dr., Tucson, AZ 85737 Phone: 520-297-0844 FAX: 520-498-4924 Or look us up on the web at: www.securplane.com * Registered Trademark of Bombardier Inc. 0021