What kind of ship is RACHEL CARSON?

RACHEL CARSON is a research vessel sailing under the flag of United States, built in 2003. The vessel is 38 m long with a beam of 11 m and has a gross tonnage of 430.

Who is recorded as the owner or manager of RACHEL CARSON?

Monterey Bay Aquarium Research Institute is recorded as Registered owner for RACHEL CARSON (source: Wikidata). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Voydar hold for RACHEL CARSON?

Voydar has no matched sanctions record displayed for RACHEL CARSON 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 RACHEL CARSON. Missing records do not establish whether the ship has been detained.

RACHEL CARSON

Research vessel · United States · built 2003 · AIS Class A

IMO8983210MMSI338415000Call signWDF9370Last AIS position Oct 4, 2026, 12:42 UTC

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In short

RACHEL CARSON (Research vessel, United States flag) was last seen on AIS on Oct 4, 2026, 12:42 UTC, moored, near Monterey (North Pacific Ocean). Registered owner: Monterey Bay Aquarium Research Institute (source: Wikidata).

Vessel type: Research vessel
Flag: United States
Year built: 2003
Gross tonnage: 430
Size (length × beam): 38 m × 11 m
Registered owner: Monterey Bay Aquarium Research Institute

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Last reported position

received Oct 4, 2026, 12:42 UTC

Position: 36.8026° N, 121.7868° W
Area: North Pacific Ocean
StatusWhat do AIS statuses mean?: Moored
Speed: 0 kn
Course: 206°
Heading: 28°

36.8026° N, 121.7868° W

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Voydar detected no port call in the last 30 days.

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)

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Identity & particulars

Name: RACHEL CARSON
IMO numberWhat is an IMO number?: 8983210
MMSIWhat is an MMSI?: 338415000
Call signWhat is a call sign?: WDF9370
Flag: United States
Vessel type: Detailed type from WikidataResearch vessel
AIS ship type: Other
Gross tonnageGross tonnage vs deadweight: 430
Length overall: 38 m
Beam: 11 m
Year built: 2003

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.

Registered owner: Monterey Bay Aquarium Research Institute
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
Operator: Monterey Bay Aquarium Research Institute
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
Apr 1, 2015	Reported departure from San DiegoAuthority-reported	USACE foreign traffic vessel entrances & clearances
Apr 1, 2015	Reported arrival at San DiegoAuthority-reported	USACE foreign traffic vessel entrances & clearances
Feb 9, 2015	Reported departure from OaklandAuthority-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	Apr 1, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
San Diego USSAN	Arrival	Apr 1, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
Oakland USOAK	Departure	Feb 9, 2015(date only)	—	USACE foreign traffic vessel entrances & clearances
MORGAN CITY, LA, PORT OF	Departure	Nov 30, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
BAYOU LAFOURCHE AND LAFOURCHE-JUMP WATERWAY, LA	Departure	May 10, 2011(date only)	—	USACE foreign traffic vessel entrances & clearances
Lake Charles USLCH	Departure	Dec 29, 2010(date only)	—	USACE foreign traffic vessel entrances & clearances
Lake Charles USLCH	Arrival	Dec 28, 2010(date only)	—	USACE foreign traffic vessel entrances & clearances
BAYOU LAFOURCHE AND LAFOURCHE-JUMP WATERWAY, LA	Arrival	Aug 27, 2010(date only)	—	USACE foreign traffic vessel entrances & clearances
BAYOU LAFOURCHE AND LAFOURCHE-JUMP WATERWAY, LA	Departure	Aug 24, 2010(date only)	—	USACE foreign traffic vessel entrances & clearances
BAYOU LAFOURCHE AND LAFOURCHE-JUMP WATERWAY, LA	Arrival	Aug 24, 2010(date only)	—	USACE foreign traffic vessel entrances & clearances
BAYOU LAFOURCHE AND LAFOURCHE-JUMP WATERWAY, LA	Departure	Aug 20, 2010(date only)	—	USACE foreign traffic vessel entrances & clearances
BAYOU LAFOURCHE AND LAFOURCHE-JUMP WATERWAY, LA	Departure	Aug 20, 2010(date only)	—	USACE foreign traffic vessel entrances & clearances

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

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

About RACHEL CARSON

R/V Rachel Carson is a research vessel owned and operated by the Monterey Bay Aquarium Research Institute (MBARI), named in honor of the marine biologist and writer, Rachel Carson.

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is RACHEL CARSON now?: RACHEL CARSON (Research vessel, United States flag) was last seen on AIS on Oct 4, 2026, 12:42 UTC, moored, near Monterey (North Pacific Ocean).
What kind of ship is RACHEL CARSON?: RACHEL CARSON is a research vessel sailing under the flag of United States, built in 2003. The vessel is 38 m long with a beam of 11 m and has a gross tonnage of 430.
Who is recorded as the owner or manager of RACHEL CARSON?: Monterey Bay Aquarium Research Institute is recorded as Registered owner for RACHEL CARSON (source: Wikidata). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for RACHEL CARSON?: Voydar has no matched sanctions record displayed for RACHEL CARSON 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 RACHEL CARSON. Missing records do not establish whether the ship has been detained.

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