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Multiple Choice

The COD starboard holding pattern is defined relative to which reference line?

The holding pattern is defined using a fixed bearing reference line. This line provides the orientation for the outbound leg and the subsequent right-hand turns, giving the pattern a stable, externally referenced direction. Defining the pattern relative to the vessel’s own centerline, the port reference axis, or a line through the starboard beam would tie the pattern to the ship’s current heading or side, causing it to shift as the vessel moves. The bearing reference line stays constant, making the COD starboard holding pattern reproducible and properly oriented.

The holding pattern is defined using a fixed bearing reference line. This line provides the orientation for the outbound leg and the subsequent right-hand turns, giving the pattern a stable, externally referenced direction. Defining the pattern relative to the vessel’s own centerline, the port reference axis, or a line through the starboard beam would tie the pattern to the ship’s current heading or side, causing it to shift as the vessel moves. The bearing reference line stays constant, making the COD starboard holding pattern reproducible and properly oriented.