For Immediate Release

Tucson, AZ – 10/05/2004

Kiersten Sutliff
Director, Marketing Operations
Tel: 1-520-297-0844 x 130
Email: kiersten@securaplane.com

Hawker 43 AH "pure lead" main ship battery
is now PMA'd for the Cessna Citation 500 Series aircraft

On September 24, 2004 , the Hawker 43AH Sealed Lead Acid battery was PMA'd for installation onCessna Citation 500 series aircraft.

The Hawker 9750W0370-11 battery is PMA'd for installation on the following Cessna aircraft:

• Citation
• Citation I
• Citation II
• Citation V
• Bravo
• Ultra
• Encore

Securaplane Technologies is the Master Distributor and Design Authority of EnerSys Hawker batteries for commercial and business aviation in the US .

As the design authority, Securaplane designed this battery specifically as a fit, form, and functional replacement for existing NiCad and Lead Acid batteries. The Hawker 9750W0370-11 battery is equipped with a thermal sensor designed to interface with the existing battery thermal monitoring system.

The EnerSys line of Hawker Main Ship batteries offer significant performance enhancements compared to other sealed lead acid and Ni-Cad batteries. Benefits include:

• 99.99% pure lead construction for enhanced life and performance.
• A 30-month full replacement warranty on batteries after installation, and 24 months storage prior to installation is standard for Securaplane/Hawker Main Ship Batteries.
• Batteries are shipped fully charged and ready to install.
• True no-maintenance battery.
• Hot and cold performance far exceeding that of any other aviation battery.
• Battery monoblock replacement at significantly less than the list price of a new battery.
• Non-spillable; shippable worldwide without special handling.
  

Securaplane has been a supplier to aviation since the mid-80s and has supplied batteries and charging systems for many aircraft, including recent STC's for: ATR 42 and 72, Dash-8, Caravan 208, G-II, G-III, G-IV, CL600/601, CRJ 100/200, and Falcon 2000.

Note: The Hawker battery brand is not affiliated with Raytheon Aircraft Company's line of Hawker aircraft.

About Securaplane

Securaplane Technologies Inc. is a leading supplier of avionics products for commercial, military and business aircraft including Airborne Video and Security Systems, Emergency/Main Ship Batteries, Battery Chargers and Inverters, and Wireless Technologies, including smoke detection/suppression systems. Securaplane is the design authority for the Hawker line of Main Ship Batteries by EnerSys.

Securaplane is a wholly owned subsidiary of the Danaher Corporation, and is part of the Pacific Scientific Aerospace and Defense Group. (NYSE: DHR). More information can be found at Securaplane's web site, www.securaplane.com and on EnerSys' website, www.enersys.com.

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