Date: January 8, 2003
Ref.: AA34-300 TSO

NAT Announces AA34-300 TSO-C50c Approval

Northern Airborne Technology is pleased to announce the FAA has granted TSO-C50c approval of the AA34-300 Universal Radio Interface.

The AA34-300 addresses the interface and switching requirements of mobile radios and telephones allowing them to be integrated with an aircraft audio system. The unit provides microphone excitation, impedance and level matching, relay keying and sidetone generation, all fully isolated from aircraft ground. The unit features floating key lines, radio audio, sidetone and microphone amplifiers, floating audio lines in and out, internal mic exciter with adjustable output and internally selectable functions and levels.

The AA34 has been an industry favorite for years. With this new level of certification, we are continuing the commitment to provide our customers with the quality and excellence that has been the cornerstone of NAT since 1979.

A member of the Chelton Group of companies, NAT is a leader in communications equipment for special mission aircraft applications. Products include Audio and RF Controllers, FM Radios, Intercoms, PA and Loudhailer Systems, Satellite Communication Systems and Data Interface Accessories.

For further information, visit www.northernairborne.com or contact Steve Wile, Director of
Maintenance, at tel: (250) 763-2232, fax: (250) 762-3374 or e-mail stevew@natech.com.