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Contact:Larry Riddle
L-3 Avionics Systems
larry.riddle@L-3com.com
616-285-4315

L-3 Avionics Systems Marks Production of 60,000th Stormscope®
Weather Mapping System

Milestone System Donated to EAA Gathering of Eagles Fundraiser

EAA AIRVENTURE, OSHKOSH, Wis., July 25, 2011 – L-3 Avionics Systems announced today that it has produced its 60,000th Stormscope® Weather Mapping System, a product continuously manufactured since its 1976 introduction to general aviation. First released as the Stormscope WX-7, the instrument has become an industry standard for severe weather detection in light aircraft. L-3 donated the milestone system to the EAA for the Gathering of Eagles fundraising auction to be held Thursday, July 28. The Stormscope line of products will be on display this week at AirVenture in the L-3 booth, #3109, Hangar C.

"Stormscope continues to perform and sustain its tactical effectiveness. This milestone is a testament to the advantages pilots receive with a Stormscope system onboard, even when used in combination with datalink or radar information," said Larry Riddle, vice president of business development for L-3 Avionics Systems. "We are proud to support the EAA’s Gathering of Eagles youth outreach efforts by donating this milestone Stormscope unit."

Stormscope Weather Mapping Systems display all lightning activity in real time throughout the life-cycle of a thunderstorm. Before cockpit radar detects the precipitation present in mature-stage storms or datalink weather downloads historical information, Stormscope instantly depicts early cues of convective activity. This enables users to monitor and evade potential hazards with a greater margin of safety.

When used in conjunction with other weather products, Stormscope provides complementary, real-time updates between datalink downloads and radar returns - thereby creating a more seamless picture of the flight environment.

By integrating with today’s modern avionics, the Stormscope line of instruments can overlay instant lightning strike information on a broad range of moving map and weather displays, including popular OEM installed and aftermarket glass-panel suites. Stormscope can also be combined with L-3’s SkyWatch® and SkyWatch® HP Collision Avoidance System for single-screen traffic and weather data.

The Stormscope series includes models suitable for numerous aircraft types. Key features include:

  • Displays lightning in 25, 50, 100 and 200 nm ranges
  • Pilot-selectable cell and strike modes
  • 360-degree or 120-degree forward-looking view
  • Lightning information updates every second
  • Strike rate indicator details building or dissipating storms

L-3 Avionics Systems has been helping pilots fly for more than 45 years. The company provides a wide array of avionics technologies designed to improve situational awareness and enhance safety, such as the GH-3000 electronic and J.E.T.® standby instruments, the SkyWatch® Collision Avoidance System, the Stormscope® Weather Mapping System and the Trilogy™ Electronic Standby Instrument, among others. For more information, please visit the company’s website at www.L-3avionics.com.

Headquartered in New York City, L-3 Communications employs approximately 63,000 people worldwide and is a prime contractor in C3ISR (Command, Control, Communications, Intelligence, Surveillance and Reconnaissance) systems, aircraft modernization and maintenance, and government services. L-3 is also a leading provider of a broad range of electronic systems used on military and commercial platforms. The company reported 2010 sales of $15.7 billion. To learn more about L-3, please visit the company’s website at
www.L-3com.com.

Safe Harbor Statement Under the Private Securities Litigation Reform Act of 1995
Except for historical information contained herein, the matters set forth in this news release are forward-looking statements. Statements that are predictive in nature, that depend upon or refer to events or conditions or that include words such as "expects," "anticipates," "intends," "plans," "believes," "estimates," "will," "could" and similar expressions are forward-looking statements. The forward-looking statements set forth above involve a number of risks and uncertainties that could cause actual results to differ materially from any such statement, including the risks and uncertainties discussed in the company’s Safe Harbor Compliance Statement for Forward-Looking Statements included in the company’s recent filings, including Forms 10-K and 10-Q, with the Securities and Exchange Commission. The forward-looking statements speak only as of the date made, and the company undertakes no obligation to update these forward-looking statements.

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