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词条 SS Pan-Pennsylvania
释义

  1. Ship history

     Sinking 

  2. References

{{Infobox ship image
Ship image=Ship caption=
}}{{Infobox ship career		Hide header=Ship country= United States1944}}Ship name= SS Pan-PennsylvaniaShip namesake=Ship owner=Ship operator=National Bulk CarriersShip registry=Ship route=Ship ordered=Ship awarded=Ship builder=Welding Shipyards, Norfolk, VirginiaShip original cost=Ship yard number=13Ship way number=Ship laid down=Ship launched=Ship sponsor=Ship christened=Ship completed=Ship acquired=Ship maiden voyage=Ship in service=November 1943Ship out of service=Ship homeport=Ship identification=Official number: 244054[1]Ship motto=Ship nickname=Ship honours=Ship fate=Sunk by U-550 off Nantucket, April 16, 1944Ship notes=Ship badge=
}}{{Infobox ship characteristics		Hide header=Header caption=Ship class=Ship type=Type T3-S-BF1 tanker11,016}}
  • {{DWT|18,900}}[2]
Ship displacement=515|ft|11|in|m|abbr=on}}70|ft|abbr=on}}Ship height=Ship draft=Ship depth=Ship hold depth=Ship decks=Ship deck clearance=Ship power=7700|shp|0|abbr=on}}
  • 1 shaft
14|kn|lk=in}}Ship range=Ship endurance=Ship boats=Ship capacity=Ship crew=50 + 31 U.S. Navy Armed GuardShip sensors=Ship EW=5|in|mm|abbr=on}} gun
  • 1 × {{Convert|3|in|mm|abbr=on}} gun
  • 8 × 20 mm guns
Ship armor=Ship notes=
}}

SS Pan-Pennsylvania was a Type T3-S-BF1 tanker of the United States, which was sunk by German U-boat 550 in April 1944.

Ship history

The ship was built at the Welding Shipyards in Norfolk, Virginia, under Maritime Commission contract #2187, and was delivered to National Bulk Carriers, Inc. in November 1943.[1] The {{GRT|11,016|disp=long}} ship was {{Convert|515|ft|11|in|m}} long and {{Convert|70|ft}} in the beam,[2] and was powered by two

steam turbines, delivering {{Convert|7700|shp|0|abbr=on}} to a single propeller, giving her a top speed of {{Convert|14|kn|lk=in}}.[3]

Sinking

Pan-Pennsylvania sailed from New York Harbor on the afternoon of 15 April 1944 as part of convoy CU-21, bound for England, carrying 140,000 barrels of 80-octane aviation fuel, a crew of 50 men, and 31 members of the Naval Armed Guard. The 28 merchant ships of CU-21 were accompanied by Escort Flotilla 21.5, which consisted of six destroyer escorts.[4]

Weather conditions were initially poor, and the convoy was not able to settle into the standard convoy formation until the next morning. However, they had already been observed by the {{Ship|German submarine|U-550||2|up=yes}} which, under the command of Kapitanleutnant Klaus Hanert, was on her first combat patrol. At 8 a.m. SS Pan-Pennsylvania was straggling behind the rest of the convoy when she was hit by a torpedo from U-550 on her port side.[4]

As Pan-Pennsylvania began to settle, the U-550 approached her, using the stricken ship to mask their presence from the three escort destroyers — {{USS|Joyce|DE-317|2}}, {{USS|Peterson|DE-152|2}} and {{USS|Gandy|DE-764|2}} — who rapidly approached, scanning the area with their sonar. Aboard Pan-Pennsylvania a fire broke out in the engine room, and the captain ordered the crew to abandon ship, as she began to settle and list to port. The crew launched two lifeboats and three life-rafts as water began to wash over the deck. The tanker continued to settle and then slowly capsized.[4]

U-550, meanwhile, attempted to slip away, but was detected by Joyce, which promptly attacked with a pattern of 13 depth charges, bracketing the submarine and forcing her to the surface. The three escorts opened fire on her and Gandy rammed her abaft the conning tower. Peterson fired two more depth charges from her "K" guns, which exploded alongside the submarine. U-550 attempted to man her deck gun and machine guns, but the crews were mown down by gunfire. The crew of U-550 then set scuttling charges and attempted to abandon her, but the charges exploded prematurely and she quickly sank taking most of the crew with her. The entire action, from the detection of U-550 to the time her sinking, lasted only thirteen minutes.[4]

Of the crew of Pan-Pennsylvania, 31 were rescued by Joyce and 25 by Peterson, leaving 25 unaccounted for. Only 12 Germans survived, including her Captain, 44 were lost.[4]

On the day following the attack an attempt was made to sink the still burning hulk of Pan-Pennsylvania with gunfire.[5] This failed, so she was bombed and sunk by aircraft the day after at position {{Coord|40|24|N|69|37|W|display=inline,title}}.[6]

The wreck of U-550 was found on July 23, 2012, in deep water about 70 miles south of Nantucket, Massachusetts.[7]

References

1. ^{{cite web | url=http://shipbuildinghistory.com/history/shipyards/2large/inactive/welding.htm | title=Welding Shipyards, Norfolk VA | work=shipbuildinghistory.com | date=29 August 2010 | accessdate=10 December 2012 | author=Colton, Tim}}
2. ^1 {{cite web | url=http://nashbulk.steamcheng.net/bulkero.html | title=The Pan Pennsylvania Class Ships | date=20 February 2005 | accessdate=December 10, 2012 | author=Whittaker, A. Davis}}
3. ^{{cite web | url=http://www.wrecksite.eu/wreck.aspx?18410 | title=SS Pan Pennsylvania (+1944) | work=wrecksite.eu | accessdate=10 December 2012}}
4. ^1 2 3 4 {{cite web | url=http://www.uscg.mil/history/webcutters/Sinking_U550.asp | title=Sinking the U-550 | publisher=U.S Coast Guard | date=30 July 2012 | accessdate=10 December 2012 | author=Price, Scott}}
5. ^{{cite web | url=http://www.uscg.mil/history/uscghist/U550.asp | title=U-550 | publisher=U.S. Coast Guard | date=26 January 2012 | accessdate=10 December 2012}}
6. ^1 {{cite web | url=http://www.aukevisser.nl/t2tanker/id344.htm | title=Pan-Pennsylvania | work=aukevisser.nl | accessdate=10 December 2012 | author=Visser, Auke}}
7. ^{{cite news | url=http://www.foxnews.com/us/2012/07/27/explorers-find-downed-german-u-boat-off-mass594059/?vgnextrefresh=1 | title=Explorers find downed German U-Boat off Massachusetts nearly 70 years after it sank | work=foxnews.com | date=27 July 2012 | agency=Associated Press | accessdate=10 December 2012}}
{{Type T3-S-B tankers}}{{April 1944 shipwrecks}}{{DEFAULTSORT:Pan-Pennsylvania}}

7 : Type T3-S-B tankers|1943 ships|Ships built in Norfolk, Virginia|Ships sunk by German submarines in World War II|World War II shipwrecks in the Atlantic Ocean|Maritime incidents in April 1944|Shipwrecks of the New Jersey coast
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