The report creates a data base of the maritime casualties during 1972 which would have been candidates for a distress channel in a satellite communications service. There are 1546 casualties recorded in this report for the calendar year 1972; of these casualties 796 were large ocean crossing vessels. The ocean crossing casualty list includes 54 vessels sunk, 158 collisions, 289 emergencies, 118 run aground and 177 suffering weather damage. These 796 vessels represent 13% of the total casualties, 500 gross ton or over, occurring during this time period. This percentage could use a satellite communication service for distress alerting and search and rescue. The remaining 87% of the casualties happened close to shore, in harbors, on lakes, canals or rivers and would use conventional communication service.
This study investigates the requirements that exist for electronic devices for alerting and locating distress incidents and presents a plan for acquir...
A signaling technique for Emergency Position Indicating Radio Beacons (EPIRBs) using FSK modulation, with detection employing a bank of narrow-band fi...
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United States Department of Transportation
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