View source for SM U-138

{{other ships|German submarine U-138}}
{|{{Infobox ship begin}}
{{Infobox ship image
|Ship image=
|Ship caption=
}}
{{Infobox ship career
|Hide header=
|Ship country=[[German Empire]]
|Ship flag={{Shipboxflag|German Empire|naval}}
|Ship name=''U-138''
|Ship ordered=27 May 1916
|Ship builder=[[Kaiserliche Werft Danzig]]
|Ship laid down=
|Ship launched=12 January 1917
|Ship commissioned=26 March 1918
|Ship fate= Unknown
|Ship homeport=
}}
{{Infobox ship characteristics
|Hide header=
|Header caption={{sfn|Gröner|1991|pp=15-16}}
|Ship class=[[Type Large MS submarine]]
|Ship displacement=
*{{convert|1175|t|LT|abbr=on|lk=on}} surfaced
*{{convert|1534|t|LT|abbr=on}} submerged
|Ship length=
*{{convert|83.50|m|ftin|abbr=on}} [[o/a]]
*{{convert|65.75|m|ftin|abbr=on}} [[pressure hull]]
|Ship beam=
*{{convert|7.54|m|ftin|abbr=on}} o/a
*{{convert|4.85|m|ftin|abbr=on}} pressure hull
|Ship height={{convert|9.46|m|ft|0|abbr=on}}
|Ship draught={{convert|4.26|m|ft|0|abbr=on}}
|Ship propulsion=
*2 × [[propeller shaft (ship)|propeller shafts]]
|Ship power=
*2 × [[MAN SE|MAN]] [[diesel engine]]s, {{convert|3400|PS|bhp+kW|abbr=on|order=out}} total
*2 × diesel generators for surface dash, {{convert|900|PS|bhp+kW|order=out}} total
*2 × [[electric motor]]s, {{convert|1690|PS|shp+kW|abbr=on|order=out}} total
|Ship speed=
*{{convert|17|kn|lk=in}} surfaced
*{{convert|9.1|kn}} submerged
|Ship range=
*{{convert|10000|nmi|abbr=on|lk=in}} at {{convert|8|kn}} surfaced
*{{convert|50|nmi|abbr=on}} at {{convert|4.5|kn}} submerged
|Ship test depth=
*{{convert|75|m|ft|abbr=on}}
|Ship boats=
|Ship complement=44 men
|Ship sensors=
|Ship EW=
|Ship armament=
*6 × [[torpedo tube]]s (4 bow, 2 stern)
*16 × [[torpedo]]es
*1 × [[15 cm SK L/45|{{convert|15|cm|in|sp=us|abbr=on}} SK L/45]] [[deck gun]] with 220 rounds
*1 × [[8.8 cm SK L/30 naval gun|{{convert|8.8|cm|in|sp=us|abbr=on}} SK L/30]] deck gun
|Ship notes=
}}
{{Infobox service record
|is_ship=yes
|is_multi=yes
|partof=
|commanders=
|operations=None
|victories=None
}}
|}
'''SM ''U-138'''''{{#tag:ref|"SM" stands for "Seiner Majestät" ({{langx|en|His Majesty's}}) and combined with the ''U'' for ''Unterseeboot'' would be translated as ''His Majesty's Submarine''.|group=Note}} was one of the 329 [[submarine]]s serving in the [[Imperial German Navy]] in [[World War I]].
U-138 was engaged in the [[Naval warfare of World War I|naval warfare]] and took part in the [[First Battle of the Atlantic]].
<ref>{{cite Uboat.net
|id=138
|name=U 138
|type=1sub
|accessdate=22 January 2010
}}</ref>
==References==
===Notes===
{{Reflist|group=Note}}
===Citations===
{{reflist}}
==Bibliography==
*{{cite book
|last1=Gröner
|first1=Erich
|last2=Jung
|first2=Dieter
|last3=Maass
|first3=Martin
|translator-last1=Thomas
|translator-first1=Keith
|translator-last2=Magowan
|translator-first2=Rachel
|year=1991
|title=U-boats and Mine Warfare Vessels
|volume=2
|series=German Warships 1815–1945
|location=London
|publisher=Conway Maritime Press
|isbn=0-85177-593-4
|ref=CITEREFGröner1991
}}
{{German Type U 127 submarine}}
{{use dmy dates|date=June 2015}}
{{DEFAULTSORT:U0138}}
[[Category:World War I submarines of Germany]]
[[Category:1917 ships]]
[[Category:U-boats commissioned in 1918]]
[[Category:Type U 127 submarines]]
[[Category:Ships built in Danzig]]