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Section Patrol Craft Photo Archive

Moosehead (ID 2047)
Porpoise (YFB 2047)


Ferryboat: Built in 1911 by Bath Iron Works, Bath, ME; Acquired by the Navy, 28 March 1918; Commissioned Moosehead (ID 2047), (date unknown); Reclassified YFB-2047 in 1920; Renamed Porpoise in 1921; Decommissioned, (date unknown); Struck from the Naval Register 30 December 1930; Sold 24 February 1931. Fate unknown.

Specifications: Displacement 377 t.; Length 185' 2"; Beam 35' 9"; Draft 10' 9"; Speed unknown; Complement unknown; Armament none.


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Size Image Description Source
Moosehead 115k Photographed circa 1917-18, with Maine Central Rail Road markings on her bow.
US Navy Photo NH 102042
Naval Historical Center
Alacrity 75k Lockwood's Basin, Boston, Massachusetts. General view from the end of the pier, taken by Alton M. Blackinton, Boston, circa 1918. USS Moosehead (ID 2047) occupies most of the image. Beyond her stern is USS Alacrity (SP-206).
USN Photograph NH 42142
Naval Historical Center
Moosehead 133k Lockwood's Basin, Boston, Massachusetts. View of the basin from the top of the Headquarters Building, taken by Alton M. Blackinton, Boston, circa 1918. USS Moosehead (ID 2047) is in the center, with the East Boston ferry at far right. A submarine chaser (SC) and other patrol vessels are also present.
US Navy Photo NH 42143
Naval Historical Center
Moosehead 74k Lockwood's Basin, Boston, Massachusetts. View of the basin with a seaplane from Chatham flying overhead, circa 1918. Taken by Alton M. Blackinton, Boston. USS Moosehead (ID 2047) is at the right, with several patrol vessels nearby. USS Elsie III (SP-708) is in the left foreground, with USS SP-511 (ex-Alert) beyond her.
US Navy Photo NH 42146
Naval Historical Center
Alacrity 83k Lockwood's Basin, Boston, Massachusetts. View of the basin looking down the pier, taken by Alton M. Blackinton, Boston, circa 1918, showing USS Moosehead (ID 2047) in the center and section patrol boats. USS Alacrity (SP-206) is at the far left. The patrol boats in the left center foreground are (from left to right): USS Kiowa (SP-711); USS Skink (SP-605); unidentified; USS Whistler (SP-785); and USS Lynx II (SP-730).
USN Photograph NH 42147
Naval Historical Center
Alacrity 69k Lockwood's Basin, Boston, Massachusetts. Section Patrol boat base at Lockwood's Basin, circa 1918, with USS Moosehead
(ID 2047)
alongside the pier in the right background. Among the patrol boats present are USS Skink (SP-605), in the left foreground, and USS Alacrity (SP-206) behind her. Note sailor sentry at the extreme right.
Photographed by Alton M. Blackinton, Boston.
USN Photograph NH 42284
Naval Historical Center
Whistler 85k In Lockwood's Basin, Boston, Massachusetts, circa 1918, with USS Moosehead (ID 2047) on the left and four patrol boats at right. The latter are (from outboard): USS Kiowa (SP-711), USS Skink (SP-605), USS Whistler (SP-784) and USS Lynx II (SP-730).
Photographed by Alton M. Blackinton, Boston.
US Navy Photo NH 45268
Naval Historical Center
Elsie III 89k In Lockwood's Basin, Boston, Massachusetts, circa 1918, with an old torpedo boat (probably USS Rodgers, Torpedo Boat # 4) alongside USS Moosehead (ID 2047). USS Elsie III (SP-708) is alongside the pier in left center with Alacrity (SP 206) beyond.
Photographed by Alton M. Blackinton, Boston.
USN Photo NH 45269
Naval Historical Center
Moosehead 125k In Lockwood's Basin, Boston, Massachusetts, in 1918. Also present are a large number of section patrol boats.
Photographed by Alton M. Blackinton, Boston.
US Navy Photo NH 45728
Naval Historical Center
Moosehead 73k Washington Navy Yard, District of Columbia. Panoramic view of the Navy Yard waterfront, looking north from across the Anacostia River, circa 1927. Ships present are (from left to right): probably USS Porpoise (YFB-2047); USS Allen (DD-66), Naval Reserve training ship; an "Eagle Boat" (PE); USS Mayflower (PY-1), Presidential Yacht; and probably USS Sylph (PY-12).
US Navy Photo NH 91949
Naval Historical Center

Dictionary of American Naval Fighting Ships: A passenger ferryboat, Moosehead was built at Bath Iron Works, Bath, Maine, in 1911 and purchased from the Maine Central Railroad 28 March 1918 for use as a patrol boat during World War I. Operating from the Washington Navy Yard in 1919, Moosehead was redesignated YFB-2047 in 1920 and Porpoise in 1921. Continuing to operate along the Atlantic coast in peacetime, she was sold 24 February 1931.

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