For offshore boats handicap racing it is required that U.S. racing yachts carry US SAILING numbers on mainsails, spinnakers and each overlapping headsail having a luff perpendicular exceeding 130% of the base of the foretriangle. "Offshore" sail numbers may be required in any race that is not a one-design race. Numbers are assigned from blocks on a geographic area basis from US SAILING, the Canadian Yachting Association and, through delegation of authority, the following listed associations. In instances of ambiguity, first contact the nearest local authority. The owner of a yacht which permanently transfers from one area to another shall notify both authorities; the original number, however, shall be retained. The number assigned to an offshore yacht shall be unique, and no other yacht shall bear that number.  Click here to obtain US SAILING's Sail Number Application.

For areas not otherwise designated US SAILING is the sail number authority.

** All assignments within the national boundary of Canada are under the authoriity of the CYA.

US SAILING
Donna Leary
PO Box 1260
Portsmouth, RI 02871
401/683-0800

CBYRA
(CHESAPEAKE BAY YRA)
Beth Kahr
612 Third Street
Annapolis, MD 21403
410/269-1194 (M-F 9-5)

CYA (CANADIAN YA)
53 Yonge Street
Kingston, ONT Canada K7M 6G4
613/545-3044 

DRYA (DETROIT RIVER YA)
Mrs. Herb Mainwaring
11 Fairlake Lane
Grosse Point, MI 48236
313/881-2441

PIYA (PACIFIC
INTERNATIONAL YA)
Janice Visser
PO Box 523
Olympia, WA 98507
360/754-6506

YRASFB (YRA OF SF BAY)
Laura Paul
Fort Mason Center
San Francisco, CA 94123
415/771-9500
415/276-2378 (Fax)

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