Built: Britt Brothers, West Lynn, MA
Machinery: Sterling 6-cylinder gasoline engine
Speed: 12 knots
Length: 58' 11"
Displacement: 30 tons
Acquired: 15 September 1919
Armament: 1 x 3-pdr. (USN)
Originally the USN Gurkha (SP-600) she was re-named Pioneer on 16 December 1919 and AB-9 on 6 November 1923. She was stationed in Massachusetts at Gloucester and Boston. She is last listed in the 1934 Coast Guard Register; an AB-9 in the 1935 and succeeding registers was a seized vessel of larger dimensions.
Donald Canney. U.S. Coast Guard and Revenue Cutters, 1790-1935. Annapolis: Naval Institute Press, 1995.
U.S. Coast Guard. Record of Movements: Vessels of the United States Coast Guard: 1790 - December 31, 1933. Washington, DC: U.S. Government Printing Office, 1934; 1989 (reprint).