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Yellow with a broad blue band: keep clear, I am manoeuvring with difficulty.
Also known as: Delta (phonetic), Yellow flag with a blue band
Three horizontal bands, yellow either side of blue. It warns that the vessel cannot be relied on to alter course.
Flown alone, Delta signals that the vessel is manoeuvring with difficulty and that others should keep clear.
This is the meaning when the flag is flown alone. In a two- or three-letter group it is simply the letter, and the code book gives the group's meaning.
Contexts: Navigation
A rectangular flag in three horizontal bands: yellow, a broader blue band across the middle, and yellow again.
One of the code's twenty-six letter flags.