
• The flag hoisted at the fore by a vessel desiring a pilot, in the United States the union jack, in Great Britain the British union jack with a white border.
Found on
http://thinkexist.com/dictionary/meaning/pilot_flag/
Pilot flag The flag hoisted at the fore by a vessel desiring a pilot, in the United States the union jack, in Great Britain the British union jack with a white border.
Found on
http://www.encyclo.co.uk/webster/P/89
No exact match found.