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R/V GEOEXPLORER

Research Vessel · Research Ship class · Built 1980s · USCG Heartland District (CGD-H)

R/V GEOEXPLORER is a 1982 research vessel. The Coast Guard has recorded 40 inspections since 1985, most recently in April 2016, along with 52 deficiencies and 1 casualty investigation in 2009.

Records from 1985 to 2016. Most recent: inspection, 5 April 2016.

Built
1982
Last inspected
5 April 2016
Documentation
Not in the documentation file of 10 September 2026
Inspections
40
Deficiencies
52 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Casualties
1 investigation · 2009

Identity

US Official No.
642135
IMO number
8107921 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here
Call sign
WDA6456
MISLE id
202897
Flag
VANUATU
MMSI
338339000, 369551000 (licence lapsed)
Maury page id
psix-202897

Inspections, by type

…physical examinations18
…administrative events15
…with no type recorded7
Years with a record 26 calendar years (1985–2016)
The 40 inspections in the strip above, split by the kind of activity the US Coast Guard recorded. Years with a record are calendar years in which a record exists, not years in service. What Maury does not do.

This record may be incomplete: the most recent inspection recorded for this vessel was 10 years ago. Maury shows what the Coast Guard recorded, not whether the vessel has been inspected since, is still in service, or what condition it is in. Coast Guard record current through 13 September 2026, retrieved 18 September 2026 from PSIX. Every field on this page was recorded by the Coast Guard. Records for the Research Ship class in Maury's sources begin in 1980.

Documentation record

Tonnage as PSIX records it295 - Regulatory (Subpart C or D), Gross Ton
541 - Convention (Subpart B), Gross Ton
201 - Regulatory (Subpart C or D), Net Ton
162 - Convention (Subpart B), Net Ton
This hull's Official Number is not in the NVDC file dated 10 September 2026 as served by NOAA Fisheries, so no documentation record is shown. Absence from that file is a fact about the file, not about the hull.

Radio station licence

WDA6456MMSI 369551000 · expired · compulsorily equipped · granted 22 September 2011, cancelled 12 February 2022
WBHOMMSI 338339000 · cancelled · compulsorily equipped · granted 25 January 2001, cancelled 25 February 2004 · licensed under a name not among this hull’s recorded names (not shown)
WRA8558MMSI not assigned · cancelled · compulsorily equipped · granted 25 June 1996, cancelled 17 February 2004 · licensed under a name not among this hull’s recorded names (not shown)
FCC Universal Licensing System ship-station file of 6 September 2026, matched to this hull on its US Official Number. Status and dates are the file’s own. The licensee is not read from the file and is not shown. A lapsed licence’s MMSI is still the number the vessel transmitted under while it was valid.

Inspection history · 40

5 April 2016 ISPS II Exam · PII Safety Exam · Ballast Water Examination
Physical examination · Marine Safety Unit Port Arthur · USCG Heartland District (CGD-H) · Activity 5844204
12 August 2014 Type not recorded
No type recorded · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 4952702
12 June 2014 Administrative Inspection
Administrative · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 4886707
17 January 2012 ORV Letter of Designation
Administrative · Marine Safety Unit Texas City · USCG Heartland District (CGD-H) · Activity 4225791
8 January 2012 Type not recorded
No type recorded · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 4221361
8 December 2010 MTSA/ISPS Verification
Physical examination · Marine Safety Unit Galveston · USCG Heartland District (CGD-H) · Activity 3907039
18 March 2010 Administrative Inspection
Administrative · Sector Houston/Galveston · USCG Heartland District (CGD-H) · Activity 3698211
29 December 2009 Type not recorded
No type recorded · Sector New Orleans · USCG Heartland District (CGD-H) · Activity 4152782
7 May 2008 ORV Letter of Designation
Administrative · Marine Safety Unit Galveston · USCG Heartland District (CGD-H) · Activity 3201018
2 February 2008 Uninspected Other · MTSA/ISPS Verification
Physical examination · Marine Inspections Unit Singapore · USCG Oceania District (CGD-O) · Activity 3134682
27 April 2007 Administrative Inspection
Administrative · Marine Inspections Unit Singapore · USCG Oceania District (CGD-O) · Activity 2937922
3 January 2007 Administrative Inspection
Administrative · Marine Safety Unit Galveston · USCG Heartland District (CGD-H) · Activity 2869300
12 January 2006 Administrative Inspection
Administrative · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 2565858
26 March 2004 Administrative Inspection
Administrative · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 2031775
25 April 2003 Administrative Inspection
Administrative · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1785250
8 January 2002 Uninspected Other
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1476546
16 March 2001 Type not recorded
No type recorded · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1076770
14 October 1999 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1122594
29 October 1997 Type not recorded
No type recorded · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1115724
24 October 1997 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1114271
18 January 1996 Administrative
Administrative · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1184739
9 June 1995 Administrative
Administrative · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 876872
7 March 1994 Hull Examination · Re-Inspection
Physical examination · MSO MORGAN CITY · USCG Heartland District (CGD-H) · Activity 1432803
21 February 1993 COI Inspection
Physical examination · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 836079
20 May 1992 Administrative
Administrative · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 1260440
3 April 1992 Hull Examination · Re-Inspection
Physical examination · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 1256580
22 January 1992 Drydock Extension
Administrative · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 1382471
20 August 1991 Type not recorded
No type recorded · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 1251657
5 August 1991 Deficiency Check
Physical examination · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 942534
2 March 1991 COI Inspection
Physical examination · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 1269605
28 February 1991 COI Inspection
Physical examination · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 908756
31 December 1990 Deficiency Check
Physical examination · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 921994
16 March 1990 Drydock Extension · Re-Inspection
Physical examination · MSO HONOLULU · USCG Oceania District (CGD-O) · Activity 902843
23 October 1989 Examination of Repairs
Physical examination · MSO PUGET SOUND · USCG Northwest District (CGD-NW) · Activity 894168
21 March 1989 Hull Examination
Physical examination · MSO LOS ANGELES/LONG BEACH · USCG Southwest District (CGD-SW) · Activity 1209636
3 March 1989 COI Inspection
Physical examination · MSO PUGET SOUND · USCG Northwest District (CGD-NW) · Activity 1197081
26 February 1988 Re-Inspection
Physical examination · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1033313
29 January 1987 Hull Examination · COI Inspection
Physical examination · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1320167
3 March 1986 Re-Inspection
Physical examination · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 994787
16 February 1985 Type not recorded
No type recorded · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 981130

Deficiency record · 52

Personnel › Certificates/Documents/Licenses › License, Chief Engineer
Issued 12 June 2014 Resolved
[withheld — contains personal information; the deficiency system, dates, and resolution status are shown above]
Condition: Invalid
Due 13 June 2014
Resolved 10 April 2015
Resolution: Vessel has changed flags to Vanuatu.
Personnel › Certificates/Documents/Licenses › MMD, Able Seaman
Issued 12 June 2014 Resolved
The one (1) Nigerian AB and two (2) Ghanaian ABs (Nigerian/Ghanaian/Ghana) serving onboard are non-U.S. Citizens in violation of 46 USC 8103(b)(3) and 46 CFR 15.720.
Due 13 June 2014
Resolved 10 April 2015
Resolution: Vessel has changed flags to Vanuatu.
Personnel › Certificates/Documents/Licenses › MMD, Ordinary Seaman
Issued 12 June 2014 Resolved
The Ordinary Seaman (Ghanaian) serving onboard is a non-U.S. Citizen in violation of 46 USC 8103(b)(3) and 46 CFR 15.720.
Due 13 June 2014
Resolved 10 April 2015
Resolution: Vessel has changed flags to Vanuatu.
Personnel › Certificates/Documents/Licenses › MMD, Wiper
Issued 12 June 2014 Resolved
The two (2) (Ghanaian/Nigerian) oilers serving onboard are a non-U.S. Citizen in violation of 46 USC 8103(b)(3) and 46 CFR 15.720.
Due 13 June 2014
Resolved 10 April 2015
Resolution: Vessel has changed flags to Vanuatu.
Personnel › Certificates/Documents/Licenses › License, Mate
Issued 12 June 2014 Resolved
The second mate (Nigerian) serving onboard is a non-U.S. Citizen in violation of 46 USC 8103(b) and 46 CFR 15.720.
Condition: Invalid
Due 12 June 2014
Resolved 10 April 2015
Resolution: Vessel has changed flags to Vanuatu.
Documentation
Issued 26 March 2004 Resolved
Vessel operated with expired R/V designation letter.
Due 26 March 2004
Resolved 26 March 2004
Resolution: New designation letter issued & LOW issued.
Accommodation/Occupational Safety
Issued 3 April 1992 Resolved
INSTALL A CISTERN TANK (WATER TANK) TO THE TOILET LOCATED IN THE LAUNDRY ROOM IN ORDER TO MAKE THE TOILET FLUSHABLE.
Condition: Unknown
Due 27 April 1992
Resolved 27 April 1992
Lifesaving
Issued 3 April 1992 Resolved
ENSURE THAT BOTH LIFERAFTS ABOARD VESSEL ARE SERVICED BY 01MAY92 IN AN APPROVED USCG LIFERAFT SERVICING FACILITY IN THE PRESENCE OF A USCG INSPECTOR OR REPLACE BOTH RAFTS WITH TWO RECENTLY SERVICED LIFERAFTS.
Condition: Unknown
Due 27 April 1992
Resolved 27 April 1992
Construction/Loadline
Issued 3 April 1992 Resolved
INSTALL OPERABLE BILGE ALARM SENSOR LOCATED IN FORWARD ENGINE ROOM TUNNEL.
Condition: Unknown
Due 1 May 1992
Resolved 29 April 1992
Accommodation/Occupational Safety
Issued 28 February 1991 Resolved
REMOVE EXCESSIVE ACCUMULATION OF DEBRIS TO PERMIT UNOBSTRUCTED ACCESS TO MACHINERY SPACE STACK VENT DAMPERS.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Fire Fighting
Issued 28 February 1991 Resolved
UPDATE VESSEL FINE CONTOUR PLAN TO REFLECK CURRENT AS IS CONDITION OF VESSEL.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Accommodation/Occupational Safety
Issued 28 February 1991 Resolved
REMOVE EXCESSIVE ALLUMINATION OF DEBRIS IN MACHINERY SPACE WALKWAY WHICH IMPAIRS ACCESS TO BOW THRUSTER MOTOR.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
PROPERLY BAND AND SECURE LOOSE ELECTRICAL CABLES IN BRIDGE NAVIGATION ROOM AND COMPUTER ROOM.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Accommodation/Occupational Safety
Issued 28 February 1991 Resolved
FREE UP STICKY ESCAPE SCUTTLE IN AFTER STEERING COMPARTMENT.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Lifesaving
Issued 28 February 1991 Resolved
REPOSITION LIFTRAFT WEAKLINK AND PAINTER 70 CRADLE AS INDICATED ON INSTALLATION DRAWING ON RAFT CANISTER.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Lifesaving
Issued 28 February 1991 Resolved
CONDUCTED FIRE AND ABANDONSHIP DRILL WITHIN 24 HOURS OF DEPARTURE FROM DARWIN. LOG RESULTS OF SAME AND SUBMIT COPY OF LOG TO [name withheld].
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Fire Fighting
Issued 28 February 1991 Resolved
PROPERLY BRACKET AND MOUNT ALL PORTABLE FIRE EXTINGUISHERS.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
PROVIDE EVIDENCE THAT USCG HAS APPROVED ELECTRICAL PLANS FOR CURRENT INSTALLATION OF COMPUTER ROOM ELECTRICAL WIRING & EQUIPMENT, AND NAVIGATIONROOM ELECTRICAL WIRING AND EQUIPMENT.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
REMOVE EXTENSION CORD TAPPED INTO OUTLET IN LAUNDRY ROOM.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
MAKE OPERABLE GENERATOR #3 PARALLEL CAPABILITY.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
PROPERLY HARD WIRE VENTILATION BLOWER LOCATED BEHIND MAIN SWITCHBOARD.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Fire Fighting
Issued 28 February 1991 Resolved
MAKE PYROTRONICS FIRE DETECTION SYSTEM ALARM AUDIBLE IN MAIN DECK CONTROL CABINET AND BRIDGE CONSOLE.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
MAKE OPERABLE ENGINE ROOM GENERAL ALARM CONTACT MAKER.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
PROVIDE GENERAL ALARM BELLS SUFFICIENT TO BE HEARD ABOVE NOISE OF AFT DECK CABLE MACHINERY, AND GENERAL ALARM LIGHT, ABOVE AFT DECK CABLE MACHINARY AREA.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
PROVIDE ON BOARD AN ACCURATE MEANS OF DETERMINING GENERATOR PRIME MOVER RPM. SET GENERATOR OVERSPEED TRIPS NOT TO EXCEED 2000 RPM.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
MAKE OPERABLE COMPUTER ROOM GENERAL ALARM BELL
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Engineering
Issued 28 February 1991 Resolved
INSTALL MISSING GUARDS OVER PORT AND STBD MAIN DIESEL ENGINE CRANKSHAFTS.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
TEST AND CONFIRM SATISFACTORY OPERATION OF MAIN GENERATOR #1, #2 AND #3 LOWLUBE OIL PRESSURE SHUT DOWNS.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Lifesaving
Issued 28 February 1991 Resolved
PROVIDE UL MARINE STANDARD PORTABLE FUEL TANKS FOR ZODIAC RESCUE CRAFT.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Construction/Loadline
Issued 28 February 1991 Resolved
REMOVE PLASTIC SIGHT TUBES AND NON AUTOMATICALLY CLOSING VALVES ON FUEL TANK #4. RUDDER COMPARTMENT ALLEYWAY. BLANK SAME OR PROVIDE HEAT RESISTANT PROTECTOR GLASS WITH AUTOMATICALLY CLOSING VALVES.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Engineering
Issued 28 February 1991 Resolved
REINSTALL MISSING SHEET METAL SHEATHING ON STBD EXHAUST UPTAKE STACK.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Deck/Cargo
Issued 28 February 1991 Resolved
INSTALL CHAIN GUARD OVER SONAR CABLE SPOOL CHAIN & SPROCKET.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Electrical
Issued 28 February 1991 Resolved
PROVIDE PROPER BATTERY BOXES FOR RADIO AND NAVIGATION INSTRUMENT BATTERIES.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Engineering
Issued 28 February 1991 Resolved
PROVIDE EVIDENCE OF USCG APPROVAL OF CONVERSION OF #4 PORT AND STBD_x001C_ POTABLE WATER TANKS TO FUEL TANKS.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Documentation
Issued 28 February 1991 Resolved
PROVIDE ON BOARD COPY OF USCG STABILITY LETTER DATED 1 JULY 1982.
Condition: Unknown
Due 28 February 1991
Resolved 28 February 1991
Unknown
Issued 16 March 1990 Resolved
ENSURE PROPER OPERATION OF PILOT HOUSE ENGINE ROOM VENTILATION SHUTDOWN.
Condition: Unknown
Due 16 March 1990
Resolved 16 March 1990
Unknown
Issued 16 March 1990 Resolved
PROVIDE AND POST THE OPERATING INSTRUCTIONS AND DIAGRAM FOR THE STEERING SYSTEM.
Condition: Unknown
Due 16 March 1990
Resolved 16 March 1990
Unknown
Issued 16 March 1990 Resolved
PROVE PROPER OPERATION OF CENTERLINE MAIN ENGINE REMOTE SHUTDOWN AND OVERSPEED TRIP.
Condition: Unknown
Due 16 March 1990
Resolved 16 March 1990
Unknown
Issued 16 March 1990 Resolved
PROVE PROPER OPERATION OF THE OILY WATER SEPARATOR. UNTIL SEPARATOR IS OPERATIONAL ALL OILY BILGE WATER MUST EITHER BE RETAINED ON BOARD OR PUMPEDTO A RECEPTION FACILITY.
Condition: Unknown
Due 16 March 1990
Resolved 16 March 1990
Unknown
Issued 16 March 1990 Resolved
PROVE PROPER OPERATION OF SHIP SERVICE GENERATOR ALARMS AND REVERSE POWER RELAYS.
Condition: Unknown
Due 16 March 1990
Resolved 16 March 1990
Unknown
Issued 16 March 1990 Resolved
PROVIDE APPROVED AUTOMATION TEST PROCEDURE FOR THE ENGINEERING MACHINERY.
Condition: Unknown
Due 16 March 1990
Resolved 16 March 1990
Unknown
Issued 16 March 1990 Resolved
ENSURE PORTABLE FIRE EXTINGUISHERS RECEIVE REQUIRED ANNUAL SERVICING. PROVIDE SERVICING REPORT FOR THE PORTABLE EXTINGUISHERS.
Condition: Unknown
Due 16 March 1990
Resolved 16 March 1990
Unknown
Issued 16 March 1990 Resolved
PROVE PROPER OPERATION OF PYR-A-LARM SYSTEM AND PROVIDE SYSTEM DIAGRAM.
Condition: Unknown
Due 16 March 1990
Resolved 16 March 1990
Unknown
Issued 16 March 1990 Resolved
PROVIDE GENERAL ALARM BELL TO BE LOCATED IN THE COMPUTER SPACE ON THE NO. 1 LEVEL.
Condition: Unknown
Due 16 March 1990
Resolved 16 March 1990
Lifesaving
Issued 3 March 1989 Resolved
PROVIDE IMMERSION SUITS FOR PERSONNEL OTHER THAN THE CREW WHEN OPERATING INTHE ZONES REQUIRING SUITS.
Condition: Unknown
Due 3 March 1989
Resolved 3 March 1989
Documentation
Issued 16 February 1985 Resolved
OBTAIN AMERICAN BUREAU OF SHIPPING LOADLINE ENDORSEMENT.
Condition: Unknown
Due 16 February 1985
Resolved 16 February 1985
Electrical
Issued 16 February 1985 Resolved
PROVIDE WIRING DIAGRAMS FOR MOTOR CONTROLLERS IN ACCORDANCE WITH 46 CFR 111.70-3(H)(2).
Condition: Unknown
Due 16 February 1985
Resolved 16 February 1985
Engineering
Issued 16 February 1985 Resolved
PROVIDE MAIN ENGINE SHUTDOWNS FOR UNATTENDED ENGINE ROOM.
Condition: Unknown
Due 16 February 1985
Resolved 16 February 1985
Electrical
Issued 16 February 1985 Resolved
REPAIR AND TEST OVERSPEED PROTECTION FOR PORT NUMBER 1 GENERATOR.
Condition: Unknown
Due 16 February 1985
Resolved 16 February 1985
Navigation
Issued 16 February 1985 Resolved
TEST STEERING GEAR ALARM SYSTEM.
Condition: Unknown
Due 16 February 1985
Resolved 16 February 1985
Engineering
Issued 16 February 1985 Resolved
REPAIR AND TEST OVERSPEED PROTECTION FOR STARBOARD MAIN ENGINE.
Condition: Unknown
Due 16 February 1985
Resolved 16 February 1985
Electrical
Issued 16 February 1985 Resolved
DEMONSTRATE REVERSE CURRENT RELAY PROTECTION FOR GENERATORS IN ACCORDANCE IWTH 46 CFR 111.12-11(F).
Condition: Unknown
Due 16 February 1985
Resolved 16 February 1985

Casualty record · 1

29 December 2009Routine · role: Involved in a Marine Casualty · activity 4152782
Each line is an incident investigation the Coast Guard recorded with this hull among the vessels involved, with the date and the classification the Coast Guard gave it, and the bridge, lock or dam the investigation names where it names one. Involvement is not fault. The investigation narrative is not published. Source: IIR, through 2026.

Ownership record

The Coast Guard's documentation record for this hull -- the Abstract of Title, with its owners and liens as filed -- is not in PSIX. Ask, and Maury buys it from the National Vessel Documentation Center, files it here with its date, and every reader of this page gets it.