Which channel would most likely be used for routine ship-to-ship voice traffic?

The channel most likely used for routine ship-to-ship voice traffic is Channel 08. This channel is designated specifically for communication between vessels, enabling direct operational discussions and coordination at sea. It is part of the VHF maritime radio channels typically utilized for exchanging information, navigational safety, and operational communications among ships.

Channel 16, while very important, serves as the international distress and calling frequency and is primarily used to establish initial contact, rather than for routine communications. Channel 70 is reserved for Digital Selective Calling (DSC) and is not used for voice communications, which makes it unsuitable for routine ship-to-ship dialogue. Channel 22A, while used for certain types of maritime communication, is typically reserved for non-routine or emergency purposes, rather than standard, everyday inter-ship communications.

Therefore, Channel 08 is the designated frequency that ships would utilize for normal operational dialogues, facilitating clear and effective communication without the formality of emergency channels.