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United States

Ships under the flag of the United States

6,415 on the map now, and 31,479 heard in the last year.Counted , from live AIS reports. Page 170 of 206: ships 16,901 to 17,000.

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Ships flagged in the United States, page 170

Heard this year, not on the map now

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

ShipKindWhereHeard
ROYAL DAWNFishing vessel28 m by 8 mLast heard at sea
ROYAL ENGINEERType not reported20 m by 7 mLast heard near CharlestonUnited States
ROYAL MARINEROther typeLast heard at sea
ROYAL STARPassenger ship31 m by 8 mLast heard near Rosarito TerminalMexico
ROYAL TERNAnti-pollution22 m by 6 mLast heard at sea
ROYAL VIKINGPleasure craft5 mLast heard near Puget SoundUnited States
ROYALEPleasure craft20 m by 3 mLast heard near TacomaUnited States
ROYALTYPleasure craft20 m by 5 mLast heard near San DiegoUnited States
ROYCE WILKENLocal vessel423 m by 54 mLast heard at sea
RSC3Military35 m by 10 mLast heard near San DiegoUnited States
RTA1Passenger ship33 m by 8 mLast heard at sea
RUBBER DUCKPleasure craft3 m by 3 mLast heard near League CityUnited States
RUBICONPleasure craft13 m by 4 mLast heard at sea
RUBYPleasure craft12 m by 4 mLast heard at sea
RUBYSailing vessel13 m by 4 mLast heard at sea
RUBY COASTTug43 m by 20 mLast heard near Cape HenryUnited States
RUBY GONSOULINLocal vessel204 m by 18 mLast heard near Corpus ChristiUnited States
RUBY JUNESailing vessel11 m by 6 mLast heard at sea
RUBY MAESailing vessel18 m by 5 mLast heard at sea
RUCKUSSailing vessel11 m by 3 mLast heard at sea
RUCKUSSailing vessel12 m by 2 mLast heard near BuffaloUnited States
RUDDER NONSENSESailing vessel12 m by 4 mLast heard near CharlottevilleTrinidad & Tobago
RUDE CAROLSailing vessel14 m by 4 mLast heard near AnnapolisUnited States
RUDYERD BAYAnti-pollution15 m by 5 mLast heard at sea
RUFF HOUSESailing vessel12 m by 6 mLast heard near HavelockUnited States
RUFF'N ITSailing vessel12 m by 4 mLast heard at sea
RUFFIANPleasure craft13 m by 4 mLast heard near NorfolkUnited States
RUFFIANTowing17 m by 7 mLast heard at sea
RUFFLESPleasure craft10 m by 3 mLast heard at sea
RUFUS B IIPleasure craft22 m by 6 mLast heard near CharlestonUnited States
RUGOSASailing vessel11 m by 4 mLast heard at sea
RULE ONESailing vessel16 m by 6 mLast heard near Cape HenryUnited States
RUM LASSPleasure craft14 m by 4 mLast heard near San FranciscoUnited States
RUMERPleasure craft10 m by 4 mLast heard at sea
RUMSPRINGAPleasure craft14 m by 4 mLast heard near BathUnited States
RUNAROUND SUEPleasure craft21 m by 6 mLast heard near Morehead CityUnited States
RUNAWAYSailing vessel16 m by 8 mLast heard near West SayvilleUnited States
RUNAWAYPleasure craft16 m by 6 mLast heard near AnnapolisUnited States
RUNITBACKPleasure craft9 m by 4 mLast heard at sea
RUNNING FREESailing vessel10 m by 4 mLast heard at sea
RUNNING LATE IIPleasure craft17 m by 6 mLast heard at sea
RUNNING ON DUNKINPleasure craft22 m by 6 mLast heard near Brayton PointUnited States
RUNNING TIDEPleasure craft19 m by 4 mLast heard near AnnapolisUnited States
RUNRIGPleasure craft12 m by 4 mLast heard near KeyportUnited States
RUNS WILDPleasure craft19 m by 5 mLast heard at sea
RUNTPleasure craft11 m by 4 mLast heard at sea
RUNTIMEPleasure craftLast heard near KitteryUnited States
RUSHMOREPleasure craft32 m by 7 mLast heard at sea
RUSSELL ADAMSWing-in-ground craft85 m by 18 mLast heard near ChaguaramasTrinidad & Tobago
RUSSELL BOUZIGAUnknown type91 m by 18 mLast heard at sea
RUSSELL DAVIS LIGHTWing-in-ground craftLast heard at sea
RUSSELL MARINE 1Towing19 m by 8 mLast heard near GalvestonUnited States
RUSSELL MARINE IILocal vessel63 m by 17 mLast heard near Corpus ChristiUnited States
RUSSIAN DOVESailing vessel18 m by 10 mLast heard near Cape HenryUnited States
RUSTLERTug8 m by 4 mLast heard near VancouverUnited States
RUSTY MOORELocal vessel213 m by 18 mLast heard near ShalimarBound for Freeport
RUSTYPIPERPleasure craft30 m by 6 mLast heard at sea
RUTHTowingLast heard at sea
RUTH ANNPleasure craft13 m by 4 mLast heard near DavisvilleUnited States
RUTH ANNPleasure craft12 m by 4 mLast heard near AnnapolisUnited States
RUTH ANNEPleasure craft22 m by 5 mLast heard near CharlestonUnited States
RUTH ANNE IIFishing vessel10 m by 4 mLast heard near Santa BarbaraUnited States
RUTH E HUGHESPassenger ship33 m by 7 mLast heard near BostonUnited States
RUTH ELLEN IIISailing vessel14 m by 4 mLast heard near AnnapolisUnited States
RUTHY LFishing vessel19 m by 6 mLast heard at sea
RUXPleasure craft20 m by 6 mLast heard near CharlestonUnited States
RV GULF SURVEYORPassenger shipLast heard near KitteryUnited States
RV LINDA KPleasure craft8 m by 3 mLast heard near CorralitosUnited States
RV NELSONMilitaryLast heard near Port EvergladesUnited States
RV SALISH SEACATPleasure craft10 m by 3 mLast heard at sea
RV SEAWOLF⁠has a photoOther type24 m by 6 mLast heard near WoodmereBound for Port Jefferson
RV TANNEROther type20 m by 6 mLast heard at sea
RV TRITONDiving support17 m by 5 mLast heard near CharlestonUnited States
RYANLocal vessel121 m by 34 mLast heard near Morgans PointUnited States
RYAN JAMESLocal vessel115 m by 34 mLast heard near GalvestonBound for Houston
RYAN PALMERHigh-speed craft39 m by 9 mLast heard near Port HuenemeUnited States
RYAN POINTLocal vessel199 m by 26 mLast heard at sea
RYAN TPassenger ship31 m by 8 mLast heard near CapitanBound for Hondo
R\V SHIRLEYPleasure craft8 m by 2 mLast heard near San FranciscoUnited States
R\V VIRGINIAOther type28 m by 8 mLast heard at sea
R\VBAYEAGLEOther type19 m by 6 mLast heard at sea
S BASSTug18 m by 7 mLast heard near Long BeachBound for Long Beach
S MARTIN THORPETowing32 m by 13 mLast heard near Cove PointUnited States
S THREEPleasure craft10 m by 4 mLast heard near EverettUnited States
"S&P"Pleasure craft14 m by 4 mLast heard near New YorkUnited States
S-CAPEPassenger ship12 m by 4 mLast heard at sea
S.S. SHORT ENDPleasure craft14 m by 4 mLast heard at sea
S/V 5CSSailing vessel13 m by 9 mLast heard near Hillsborough, Carriacou IsGrenada
S/V APPLE PIESailing vessel12 m by 7 mLast heard near Newport NewsUnited States
S/V ARDENTSailing vessel12 m by 4 mLast heard at sea
S/V ASPIRATIONSailing vesselLast heard near Port EvergladesUnited States
S/V AYLASailing vessel14 m by 5 mLast heard at sea
S/V BAD CATPleasure craft13 m by 7 mLast heard at sea
S/V BREVISSailing vessel16 m by 4 mLast heard at sea
S/V CASCADIASailing vessel14 m by 8 mLast heard near Saint George'sGrenada
S/V CLOCKDredger8 m by 3 mLast heard near North WildwoodUnited States
S/V DAYENUSailing vessel14 m by 3 mLast heard at sea
S/V EXODUSSailing vessel19 m by 6 mLast heard at sea
S/V FROLICPleasure craft14 m by 4 mLast heard near New BedfordUnited States
S/V HOSSSailing vessel12 m by 4 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.