In accordance with the North Atlantic Track Agreement, the Hydrographic Office advises that the North Atlantic Lane Routes to Canada shown in full black lines are effective as follows:

TRACK “F”

From May 16 to the Opening of Belle Isle Route and to November 30 When Not Using the Belle Isle Route

Eastbound.—Steer from a position 25 miles south of Cape Race on a course 10 miles south of the Great Circle track until approaching Fastnet, Inishtrahull, or 19 miles south of Bishop Rock.

Westbound.—Steer from Fastnet, Inishtrahull, or 10 miles south of Bishop Rock, on a course 10 miles north of the Great Circle track until approaching Cape Race, then steer a course to pass 10 miles south of Cape Race, thence to the St. Lawrence.

TRACK “G”

From the Opening of the Strait of Belleisle to November 14

Eastbound.—Steer from Belle Isle on a course 10 miles south of the Great Circle track until approaching Fastnet, Inishtrahull, or 10 miles south of Bishop Rock.

Westbound.—Steer from Fastnet, Inishtrahull, or 10 miles south of Bishop Rock on a course 10 miles north of the Great Circle track until approaching Belle Isle.

Note.—Vessels bound to or from U. S. Ports FROM OR TO THE NORTH OF IRELAND have the option of following the Canadian Seasonal Track “F” passing 40 miles south of Sable Island WESTBOUND, thence to position south of Nantucket, and EASTBOUND from position 40° 10′ N. in 70° 00′ W. to position 60 miles south of Sable Island.