Installation and Operation
Purpose of Equipment
DV16401.03 Issue 04 May 2021 BD406/PBD406 15
1.2 Purpose of Equipment
The COSPAS/SARSAT Beacon Decoder BD406 and PBD406 are made for use by search and
rescue (SAR) authorities as a tool to receive vital information and assistance during rescue missions.
• The BD406 is a single block device made for installations in fixed and rotary wing aircraft.
• The PBD406 is a portable version of the BD406 with built-in battery and housing.
• BD406/PBD406 in SAR missions decrease the time necessary to locate a distress signal,
which has a direct effect on the probability of survival of the person in distress at sea or on
land.
• The BD406/PBD406 has direct detection of the distress messages transmitted on
406 MHz (ELTs for aviation use, EPIRBs for maritime use, and PLBs for personal use).
o It decodes the position of the transmitted signal.
o It shows the beacons relative position and does continuous tracking during the rescue
mission.
The International Satellite System for Search and Rescue (COSPAS-SARSAT) system is described on
www.cospas-sarsat.org.
Further details of the Cospas-Sarsat system as well as the address of the national supervisory
authorities are obtainable from:
International Cospas-Sarsat Programme
700 de la Gauchetiere West, Suite 2450
Montreal, Quebec H3B 5M2
Canada
Tel: +1 514 954-6761
Fax: +1 514 954-6750
Email mail@cospas-sarsat.int
URL: www.cospas-sarsat.int
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