Strength
Submarine
Type
Sub-Surface Vessel
Year
1700 - Present
Career
Builder:
Portsmouth Naval Shipyard , Kittery, Maine [1]
Laid down:
15 March 1944[1]
Launched:
26 June 1944[1]
Commissioned:
23 August 1944[1]
Decommissioned:
16 June 1967[1]
Struck:
1 July 1970[1]
Fate:
Sold for scrap, June 1971[1]
General characteristics
Class and type:
Balao class diesel-electric submarine [2]
Displacement:
1,526 tons (1,550 t ) surfaced[2]
2,401 tons (2,440 t) submerged[2]
Length:
311 ft 8 in (95.00 m)[2]
Beam:
27 ft 3 in (8.31 m)[2]
Draft:
16 ft 10 in (5.13 m) maximum[2]
Propulsion:
4 × Fairbanks-Morse Model 38D8-â?? 10-cylinder opposed piston diesel engines driving electrical generators [2] [3]
2 × 126-cell Sargo batteries [4]
2 × low-speed direct-drive Elliott electric motors [2]
two propellers [2]
5,400 shp (4.0 MW ) surfaced[2]
2,740 shp (2.0 MW) submerged[2]
Speed:
20.25 knots (38 km/h) surfaced[4]
8.75 knots (16 km/h) submerged[4]
Range:
11,000 nautical miles (20,000 km) surfaced at 10 knots (19 km/h)[4]
Endurance:
48 hours at 2 knots (3.7 km/h) submerged[4]
75 days on patrol
Test depth:
400 ft (120 m)[4]
Complement:
10 officers, 70–71 enlisted[4]
Armament:
10 × 21-inch (533 mm) torpedo tubes
(six forward, four aft)
24 torpedoes[4]
1 × 5-inch (127 mm) / 25 caliber deck gun [4]
Bofors 40 mm and Oerlikon 20 mm cannon
Baker, Robert, CAPT , (1952-1993)
Borgens, Gary, PO3 , (1962-1967)
Burke, James, PO1 , (1948-1978)
Flynn, Leo, PO1 , (1945-1975)
Insull, John, PO2 , (1961-1967)
Pow, Joseph, MCPO , (1955-1987)
Whitty, Frank, PO2 , (1964-1967)
Wimsatt, James M, CMDCM , (1958-1988)
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File Name
NTWS-291779-2078.pdf
Uploaded
07/04/2015
Historical Date
N/A
Size
258 KB
Title
USS Piper (SS-409) History
Comments
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Front matter c
ompiled by
:
Jimmy â??Crashâ?? Evans
War patrol microfilm provided by: John
I.
Clarkin
Transcription and l
ayout by: Mi
chael F.
Bray