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pilot flag

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noun Nautical.
  1. the flag symbolizing the letter G in the International Code of Signals, flown by itself to request a pilot from a pilot service: a flag of three yellow and three blue vertical stripes.
  2. the flag symbolizing the letter H in the International Code of Signals, flown by itself to indicate that a pilot is on board: a flag with one white and one red vertical stripe.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for pilot flag

Historical Examples

  • Some five hundred yards beyond the barrier, a small Danish steamer flying a pilot-flag, came steaming towards us.

    Gun running for Casement in the Easter rebellion, 1916

    Karl Spindler