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United States

Ships under the flag of the United States

5,548 on the map now, and 31,507 heard in the last year.Counted , from live AIS reports. Page 153 of 207: ships 15,201 to 15,300.

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Ships flagged in the United States, page 153

Heard this year, not on the map now

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

ShipKindWhereHeard
ONWARDSailing vessel16 m by 4 mLast heard at sea
ONWARDPleasure craft16 m by 4 mLast heard at sea
ONWARD PURSUITPleasure craftLast heard at sea
ONYX COASTType not reported40 m by 12 mLast heard at sea
OOO HAHAPleasure craft17 m by 5 mLast heard at sea
OORAHPleasure craft15 m by 4 mLast heard at sea
OPASailing vessel15 m by 4 mLast heard near CharlestonUnited States
OPA!Pleasure craft16 m by 8 mLast heard near Lighthouse PointUnited States
OPALSailing vessel16 m by 14 mLast heard near Madeira BeachUnited States
OPELUWing-in-ground craftLast heard near HonoluluUnited States
OPEN WIDEPleasure craft10 m by 3 mLast heard at sea
OPERATOR 01Search and rescueLast heard near HavelockUnited States
OPPORTUNE MOMENTPleasure craft13 m by 4 mLast heard near AnnapolisUnited States
OPPORTUNITYSailing vessel11 m by 4 mLast heard near San DiegoUnited States
OPPORTUNITYPassenger ship26 m by 8 mLast heard near New YorkBound for New York
OPTICAL DELUSIONPleasure craft14 m by 4 mLast heard near El SegundoUnited States
OPTIMISTSailing vessel11 m by 3 mLast heard at sea
OPTIMUMPleasure craft26 m by 6 mLast heard at sea
OPTIMUSFishing vesselLast heard at sea
OPTIMYSTICPleasure craft14 m by 8 mLast heard at sea
OPUSSailing vessel13 m by 4 mLast heard near AnnapolisUnited States
OPUS TWOPleasure craft13 m by 4 mLast heard near Long BeachUnited States
ORASailing vessel16 m by 8 mLast heard at sea
ORAN MORPleasure craft14 m by 4 mLast heard near AnnapolisUnited States
ORANGELocal vessel115 m by 34 mLast heard at sea
ORANGE WHIPSailing vessel11 m by 3 mLast heard near HonoluluUnited States
ORCAPleasure craft16 mLast heard near CharlestonUnited States
ORCAPleasure craft18 m by 5 mLast heard at sea
ORCASailing vessel13 m by 4 mLast heard near Bocas del ToroPanama
ORCAPleasure craft17 m by 5 mLast heard at sea
ORCASailing vessel9 m by 3 mLast heard near San FranciscoUnited States
ORCA IPassenger ship26 m by 8 mLast heard near SeattleUnited States
ORCA IIPassenger ship24 m by 9 mLast heard near SeattleBound for Seattle
ORCA ROBPleasure craft8 m by 4 mLast heard at sea
ORCINUS IIOther type4 m by 3 mLast heard near Cove PointUnited States
OREANDAPleasure craft12 m by 4 mLast heard at sea
OREGONPleasure craft11 m by 4 mLast heard near AnacortesUnited States
OREGON II⁠has a photoGovernment vessel (non-combatant)53 m by 10 mLast heard near South Padre IslandUnited States
ORELPleasure craft20 m by 6 mLast heard at sea
ORIGAMISailing vessel10 m by 4 mLast heard near HavelockUnited States
ORINSailing vessel24 m by 6 mLast heard at sea
ORIN L GREENDredger11 m by 4 mLast heard near LongviewUnited States
ORIONSailing vessel17 m by 5 mLast heard at sea
ORIONSailing vessel14 m by 4 mLast heard near San FranciscoUnited States
ORIONPleasure craft18 m by 6 mLast heard near BridgeportUnited States
ORIONPleasure craft15 m by 5 mLast heard near MiamiUnited States
ORIONPleasure craft11 m by 4 mLast heard at sea
ORIONFishing vessel10 m by 4 mLast heard at sea
ORIONSailing vessel14 m by 4 mLast heard at sea
ORIONPleasure craft12 m by 3 mLast heard at sea
ORIONSailing vessel10 m by 3 mLast heard at sea
ORIONPleasure craft20 m by 8 mLast heard near Fort PierceUnited States
ORIONPleasure craft12 m by 4 mLast heard near Sunny PointUnited States
ORION IIPleasure craftLast heard near AlexandriaUnited States
ORION'S LIGHTSailing vessel16 m by 4 mLast heard near Las Palmas de Gran CanariaSpain
ORIONS STARPleasure craft18 m by 10 mLast heard at sea
ORISONPleasure craft14 m by 6 mLast heard near HavelockUnited States
OROBOROSailing vessel12 m by 6 mLast heard at sea
ORPHEUSSailing vessel12 m by 4 mLast heard near AnnapolisUnited States
ORSONSailing vessel14 m by 4 mLast heard at sea
OSCARSailing vessel12 m by 4 mLast heard at sea
OSCAR ELTON SETTE⁠has a photoGovernment vessel (non-combatant)68 m by 13 mLast heard near Pearl HarborBound for Honolulu
OSCEOLATowing90 m by 23 mLast heard at sea
OSG ENDURANCETug204 m by 23 mLast heard near EmpireUnited States
OSG VISIONLocal vessel213 m by 32 mLast heard near FairtonBound for Langewiesen
OSKIHigh-speed craft24 m by 8 mLast heard near San FranciscoBound for San Francisco
OSMOSISPleasure craft10 m by 6 mLast heard near East FalmouthUnited States
OSPREYSailing vessel13 m by 4 mLast heard near AnnapolisUnited States
OSPREYSailing vessel11 m by 4 mLast heard near El SegundoUnited States
OSPREYPleasure craft58 m by 16 mLast heard at sea
OSPREYSailing vessel12 m by 4 mLast heard at sea
OSPREYPleasure craft15 m by 4 mLast heard near New HavenUnited States
OSPREYSailing vessel13 m by 4 mLast heard at sea
OSPREYPleasure craft10 m by 6 mLast heard near Long BeachUnited States
OSPREYPassenger ship29 m by 8 mLast heard near VictoriaCanada
OSPREYPleasure craft18 m by 6 mLast heard at sea
OSPREYPleasure craft11 m by 3 mLast heard at sea
OSPREYSailing vessel15 m by 8 mLast heard at sea
OSPREYSailing vessel15 m by 8 mLast heard at sea
OSPREYPleasure craft13 m by 4 mLast heard at sea
OSPREYSailing vessel12 m by 4 mLast heard at sea
OSPREYSailing vessel12 m by 4 mLast heard near Fraser-Surrey DocksCanada
OSPREYTug16 m by 7 mLast heard near Cape VincentUnited States
OSPREYSailing vessel11 m by 4 mLast heard near Saint PetersburgUnited States
OSPREYPleasure craft18 m by 5 mLast heard near Newport BeachUnited States
OSPREYPleasure craft9 m by 2 mLast heard at sea
OSPREYSailing vessel9 m by 4 mLast heard at sea
OSPREYType not reported24 m by 8 mLast heard near WilmingtonUnited States
OSPREYPleasure craft15 m by 4 mLast heard near AnacortesUnited States
OSPREY IITug6 m by 6 mLast heard near West SayvilleUnited States
OSTREAPleasure craft11 m by 4 mLast heard near PortlandUnited States
OTHER WOMANSailing vessel13 m by 4 mLast heard near League CityUnited States
OTIUMSailing vessel12 m by 3 mLast heard near Sunny PointUnited States
OTIUMSailing vessel13 m by 5 mLast heard at sea
OTRA DAMASailing vessel13 m by 4 mLast heard at sea
OTTERPleasure craft9 m by 4 mLast heard at sea
OTTERSailing vessel14 m by 4 mLast heard at sea
OTTERFishing vessel80 m by 20 mLast heard at sea
OTTERPleasure craft13 m by 4 mLast heard at sea
OUILMETTEPassenger ship20 m by 7 mLast heard near ChicagoBound for Chicago

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.