NAVYPEDIA

Photo

AA1 1919

Ships

No	Name	Yard No	Builder	Laid down	Launched	Comm	Fate
SS52, 9.1920- SF1	AA1 (ex-Schley), 9.1920- T1	246	Fore River, Quincy	6.1916	25.7.1918	1.1920	stricken 9.1930
SF2 (ex-SS60)	T2 (ex-AA2)	270	Fore River, Quincy	5.1917	6.9.1919	1.1922	stricken 9.1930
SF3 (ex-SS61)	T3 (ex-AA3)	271	Fore River, Quincy	5.1917	24.5.1919	12.1920	stricken 9.1930

Technical data

Displacement standard, t	1107
Displacement normal, t	1482
Length, m	82.0
Breadth, m	7.00
Draught, m	4.30
No of shafts	2
Machinery	2 MAN diesels / 2 electric motors
Power, h. p.	4000 / 1350
Max speed, kts	20 / 10.5
Fuel, t	diesel oil 69
Endurance, nm(kts)	3000(14) / 100(5)
Armament	6 - 533 TT (bow, 16), 2 x 1 - 76/23 Mk 9
Electronic equipment	SC sonar
Complement	38
Diving depth operational, m	45

Graphics

Project history

First really oceangoing submarines, notably differing by dimensions from earlier ships. According to early twenties naval science tendency they intended for operations together with surface squadrons. As well as the majority of fleet submarines of all countries, they were recognized to not answering their tasks in this role and laid up into reserve soon after war. Unreliable NLSE diesels were replaced by MAN before commission.

Modernizations

None.

Naval service

No significant events