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Control and Internal Communications Systems
Law
CFR 46
Shipping
Coast Guard, Department of Homeland Security
Small Passenger Vessels Carrying More Than 150 Passengers or with Overnight Accommodations for More Than 49 Passengers
Vessel Control and Miscellaneous Systems and Equipment
Control and Internal Communications Systems
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Section
121.602
Internal communications systems.
Section
121.610
Public address systems.
Section
121.620
Propulsion engine control systems.