Where is Robert C. Seamans now?

Voydar has no displayable AIS position for Robert C. Seamans in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.

What kind of ship is Robert C. Seamans?

Robert C. Seamans is a ship, built in 2001 by J.M. Martinac Shipbuilding Corp.. The vessel is 40 m long and has a gross tonnage of 211.

What sanctions and inspection records does Voydar hold for Robert C. Seamans?

Voydar has no matched sanctions record displayed for Robert C. Seamans from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Robert C. Seamans. Missing records do not establish whether the ship has been detained.

Robert C. Seamans

ship · built 2001

IMO9245483No AIS position on record

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In short

Robert C. Seamans (ship) has no AIS position on record with Voydar.

Vessel type: ship
Flag: —
Year built: 2001
Gross tonnage: 211
Size (length × beam): 40 m
Registered owner: —

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Last reported position

No AIS position on record for this vessel. Identity and particulars are below.

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Identity & particulars

Name: Robert C. Seamans
IMO numberWhat is an IMO number?: 9245483
MMSIWhat is an MMSI?: —
Call signWhat is a call sign?: —
Flag: —
Vessel type: ship
Gross tonnageGross tonnage vs deadweight: 211
Length overall: 40 m
Beam: —
Year built: 2001

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

Builder: J.M. Martinac Shipbuilding Corp.
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

Timeline

Dated events for this ship from every source Voydar holds, newest first. Each line names its source; derived items say how they were derived.

Date	Event	Source
Nov 5, 2013	Reported departure from San DiegoAuthority-reported	USACE foreign traffic vessel entrances & clearances
Oct 25, 2013	Reported arrival at San DiegoAuthority-reported	USACE foreign traffic vessel entrances & clearances
Sep 23, 2013	Reported departure from San DiegoAuthority-reported	USACE foreign traffic vessel entrances & clearances

Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.

Port calls

Two kinds of evidence, kept apart: calls Voydar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.

Reported by authorities Authority-reported

Port	Record	Date (UTC)	Berth	Source
San Diego USSAN	Departure	Nov 5, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
San Diego USSAN	Arrival	Oct 25, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
San Diego USSAN	Departure	Sep 23, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Arrival	Jun 12, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Departure	May 9, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
OTHER HAWAIIAN ISLANDS AREA PORTS, HAWAII (NET)	Arrival	Apr 23, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
OTHER HAWAIIAN ISLANDS AREA PORTS, HAWAII (NET)	Arrival	Mar 16, 2013(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Departure	Nov 16, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
OTHER HAWAIIAN ISLANDS AREA PORTS, HAWAII (NET)	Arrival	Apr 30, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Departure	Mar 28, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
KAWAIHAE HARBOR, HAWAII IS., HI	Arrival	Mar 13, 2012(date only)	—	USACE foreign traffic vessel entrances & clearances
Honolulu USHNL	Departure	Nov 15, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances

Records published by the authority named on each row. Earliest record for this ship: October 2, 2008.

Source: US Army Corps of Engineers, Waterborne Commerce Statistics Center (US CBP entrance/clearance records). Licence: US Government work — public domain.

About Robert C. Seamans

SSV Robert C. Seamans is a 134-foot (41 m) steel sailing brigantine operated by the Sea Education Association (SEA) for oceanographic research and sail training; designed by Laurent Giles, she is named for former Secretary of the Air Force and NASA Deputy Administrator, Robert Channing Seamans, a former Chairman and Trustee of SEA's board. She is equipped with hydrographic winches, bathymetric equipment, biological and geological sampling equipment, a wet/dry laboratory, and a computer laboratory. She has a sister ship, the Corwith Cramer. The Robert C. Seamans runs an undergraduate academic study abroad program, with intensive research in oceanography, maritime studies, and nautical science with hands-on experience aboard a traditional sailing ship.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is Robert C. Seamans now?: Voydar has no displayable AIS position for Robert C. Seamans in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
What kind of ship is Robert C. Seamans?: Robert C. Seamans is a ship, built in 2001 by J.M. Martinac Shipbuilding Corp.. The vessel is 40 m long and has a gross tonnage of 211.
What sanctions and inspection records does Voydar hold for Robert C. Seamans?: Voydar has no matched sanctions record displayed for Robert C. Seamans from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for Robert C. Seamans. Missing records do not establish whether the ship has been detained.

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