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United States

Ships under the flag of the United States

5,567 on the map now, and 31,510 heard in the last year.Counted , from live AIS reports. Page 180 of 206: ships 17,901 to 18,000.

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Ships flagged in the United States, page 180

Heard this year, not on the map now

A to Z, with where and when each was last heard.

ShipKindWhereHeard
SIRENAPleasure craft18 m by 5 mLast heard near Port ManateeUnited States
SIRENASailing vessel14 m by 8 mLast heard near AnnapolisUnited States
SIRENAPleasure craft22 m by 6 mLast heard near MiamiUnited States
SIRIPleasure craft15 m by 4 mLast heard at sea
SIRIUSPleasure craft15 m by 3 mLast heard near TacomaUnited States
SIRIUSTowing19 m by 7 mLast heard near Oak BluffsUnited States
SIROCCO SKYESailing vessel10 m by 3 mLast heard near RichmondUnited States
SISKOSailing vessel12 m by 4 mLast heard near RichmondUnited States
SISSEROUSailing vessel17 m by 5 mLast heard at sea
SISTERHOOKPleasure craft21 m by 4 mLast heard at sea
SISUPleasure craft9 m by 3 mLast heard near BellinghamUnited States
SISUPleasure craft8 m by 2 mLast heard near EdgartownUnited States
SISUSailing vessel13 m by 5 mLast heard near Hillsborough, Carriacou IsGrenada
SISUPleasure craft10 m by 4 mLast heard near BellinghamUnited States
SISUSailing vessel14 m by 4 mLast heard near Newport NewsUnited States
SISUPleasure craft14 m by 5 mLast heard at sea
SISUSailing vessel16 m by 8 mLast heard at sea
SISU LLPleasure craft10 m by 4 mLast heard near AnacortesUnited States
SITES UNSEENPleasure craft23 m by 5 mLast heard near Saint PetersburgUnited States
SIX KNOTSPleasure craft22 m by 6 mLast heard near New YorkBound for Jersey City
SIXPENCEFishing vessel13 m by 4 mLast heard near BostonUnited States
SJOENPleasure craft13 m by 5 mLast heard at sea
SJOJUNGFRUNSailing vessel14 m by 5 mLast heard at sea
SJOVINDPleasure craft21 m by 6 mLast heard near Port EvergladesUnited States
SJOVINDPleasure craft24 m by 8 mLast heard near Florida CityUnited States
SKAGITTugLast heard at sea
SKAGITTug8 m by 5 mLast heard near PortlandUnited States
SKAGIT SONGPleasure craft12 m by 4 mLast heard at sea
SKALAWAGPleasure craft11 m by 3 mLast heard near League CityUnited States
SKALLIWAGSailing vessel11 m by 3 mLast heard at sea
SKATERPleasure craft13 m by 4 mLast heard at sea
SKEDADDLEPleasure craft15 m by 6 mLast heard at sea
SKEDADDLEType not reported17 m by 4 mLast heard near ChicagoUnited States
SKEDADDLESailing vessel11 m by 7 mLast heard near Point Pleasant BeachUnited States
SKEETER 2Pleasure craft16 m by 4 mLast heard near Santa BarbaraUnited States
SKI TO SEAPleasure craft10 m by 4 mLast heard at sea
SKIMMERSailing vessel15 m by 8 mLast heard at sea
SKIMMING STONESPleasure craft6 m by 4 mLast heard near Webster, HarrisUnited States
SKIPJACPleasure craft13 m by 4 mLast heard at sea
SKIPJACKPleasure craft12 m by 4 mLast heard near East FalmouthUnited States
SKIPJACK IIPleasure craft11 m by 4 mLast heard at sea
SKIPPYPleasure craft15 m by 5 mLast heard near Puget SoundUnited States
SKIRT CHASERPleasure craft11 m by 4 mLast heard near West Palm BeachUnited States
SKIRT CHASERUnknown typeLast heard near Fort LauderdaleUnited States
SKJOTYSailing vessel10 m by 3 mLast heard near TacomaUnited States
SKOOKSailing vessel15 m by 5 mLast heard at sea
SKOOKUMPleasure craft10 m by 3 mLast heard near SeattleUnited States
SKOOKUMPleasure craft10 m by 4 mLast heard near SeattleUnited States
SKULL KING & TIGRESSPleasure craft14 m by 4 mLast heard near DeltaCanada
SKYPleasure craft36 m by 8 mLast heard near NewportUnited States
SKY MOONFishing vesselLast heard near HonoluluUnited States
SKY'S THE LIMITPleasure craft22 m by 5 mLast heard near BerlinUnited States
SKY(15)Sailing vessel17 m by 5 mLast heard at sea
SKYDANCEPleasure craftLast heard at sea
SKYDOGPleasure craft13 m by 4 mLast heard near Saint PetersburgUnited States
SKYESailing vessel14 m by 4 mLast heard near League CityUnited States
SKYETYMEPleasure craft39 m by 8 mLast heard at sea
SKYLARKPleasure craft18 m by 5 mLast heard near SavannahUnited States
SKYLARKPleasure craft10 m by 3 mLast heard at sea
SKYLARKPleasure craft40 m by 14 mLast heard near TacomaUnited States
SKYLARKSailing vessel11 m by 1 mLast heard near Megálon LivádionGreece
SKYLARKSailing vessel14 m by 4 mLast heard near AnnapolisUnited States
SKYLINEPleasure craft13 m by 4 mLast heard near New YorkUnited States
SKYLINE PRINCESSPassenger ship27 m by 9 mLast heard near New YorkUnited States
SKYVIEWPassenger ship29 m by 10 mLast heard near ChicagoBound for Chicago
SKYWARDSailing vessel14 m by 4 mLast heard near BaltimoreUnited States
SL HAWAIITanker183 m by 32 mLast heard at sea
SL MIDWAYCargo ship137 m by 22 mLast heard near SingaporeBound for Singapore
SL120Unknown type37 m by 8 mLast heard at sea
SLACK TIDEPleasure craft11 m by 3 mLast heard near Port EvergladesUnited States
SLACK TIDEPleasure craft24 m by 6 mLast heard at sea
SLAINTE IIPleasure craft16 m by 5 mLast heard at sea
SLAINTE IVPleasure craft16 m by 4 mLast heard near NorfolkUnited States
SLAP SHOTFishing vessel6 m by 2 mLast heard near Los AngelesUnited States
SLAY RIDEPleasure craftLast heard near Oak BluffsUnited States
SLCS WHALER 25Law enforcement8 m by 5 mLast heard near VancouverCanada
SLEDGEHAMMERPleasure craft12 m by 4 mLast heard at sea
SLEEPERPleasure craft11 m by 4 mLast heard near Newport BeachUnited States
SLEEPERFishing vessel8 m by 4 mLast heard near Newport BeachUnited States
SLEEPER SOLO SAILORPleasure craft12 m by 4 mLast heard at sea
SLEEPING TIGERSailing vessel12 m by 4 mLast heard at sea
SLIGHTLY TRASHYPleasure craft12 m by 4 mLast heard near RiversideUnited States
SLIP AWAYPleasure craft18 m by 6 mLast heard at sea
SLIP AWAYPleasure craft8 m by 6 mLast heard near AnacortesUnited States
SLIP AWAYPleasure craft12 m by 5 mLast heard near BrewsterUnited States
SLNC PAX⁠has a photoTanker101 m by 19 mLast heard near YokohamaBound for Yokohama
SLNC SEVERNCargo ship189 m by 32 mLast heard at seaBound for Singapore
SLNC STARCargo ship123 m by 19 mLast heard at sea
SLO MOTIONPleasure craft12 m by 4 mLast heard at sea
SLO-MO-SHUNPleasure craft16 m by 4 mLast heard at sea
SLO-POKEPleasure craft14 m by 5 mLast heard near AnnapolisUnited States
SLOGINPleasure craft24 m by 8 mLast heard near Morehead CityUnited States
SLOOP DOGSailing vessel11 m by 5 mLast heard near League CityUnited States
SLOW BOATPleasure craft12 m by 3 mLast heard near HollandUnited States
SLOW BURNPleasure craft14 m by 6 mLast heard near SeattleUnited States
SLOW DANCEPleasure craft10 m by 3 mLast heard at sea
SLOW DANCEPleasure craft16 m by 5 mLast heard near Point Pleasant BeachUnited States
SLOW DANCERPleasure craft19 m by 6 mLast heard near Longboat KeyUnited States
SLOW DANCINGPleasure craft13 m by 6 mLast heard at sea
SLOW FLIGHTPleasure craft15 m by 5 mLast heard at sea

Other flags on the map

Ships on the map now, by flag.

Flags and MMSIs

The first three digits of a ship's MMSI name her flag. The United States' are 303, 338 and 366 to 369, so a ship's number tells you she is here before her name does.

A ship that changes flag is given a new MMSI and keeps her IMO number for life; her page lists the other MMSIs her IMO number was heard under.

Ports in the United States

How this list is made

A ship is listed under the flag her MMSI names. While she is on the map she is listed first, longest first; after that come the ships heard in the last year, A to Z, each with when and where she was last heard.

Read MMSI, IMO and call signs.