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HERCULES

Research Vessel · Research Ship class · Built 1970s · USCG Heartland District (CGD-H) · Other hulls named HERCULES

HERCULES is a 1976 research vessel. The Coast Guard has recorded 12 inspections since 1981, most recently in January 1991, along with 8 deficiencies.

Records from 1981 to 1991. Most recent: inspection, 9 January 1991.

Built
1976
Last inspected
9 January 1991
Documentation
Not in the documentation file of 10 September 2026
Inspections
12
Deficiencies
8 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date

Identity

US Official No.
573085
IMO number
—
Call sign
WHY6596
MISLE id
48726
Flag
UNITED STATES
MMSI
369329000 (licence lapsed)
Maury page id
psix-48726

Inspections, by type

…administrative events1
…with no type recorded11
Years with a record 6 calendar years (1981–1991)
The 12 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 35 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 it169 - Convention (Subpart B), Gross Ton
50 - 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

WDB5543MMSI 369329000 · expired · compulsorily equipped · granted 23 October 2003, cancelled 28 December 2013 · 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.

A report is not offered for this hull: Its record holds only 2 of the seven kinds of material a report is built from: inspections, deficiencies, operational controls, tow-unit appearances, casualty records, dimensions and documentation. That is a statement about the record, not about the vessel. Reports.

Inspection history · 12

9 January 1991 Administrative
Administrative · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1230138
22 April 1985 Type not recorded
No type recorded · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1289379
20 February 1985 Type not recorded
No type recorded · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1288225
13 February 1985 Type not recorded
No type recorded · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 1288057
24 January 1985 Type not recorded
No type recorded · MSU GALVESTON · USCG Heartland District (CGD-H) · Activity 980574
24 January 1984 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1279980
14 December 1983 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1279985
22 April 1983 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 965052
11 April 1983 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1275371
6 January 1983 Type not recorded
No type recorded · MSO PORT ARTHUR · USCG Heartland District (CGD-H) · Activity 1277408
8 January 1982 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 1273537
20 January 1981 Type not recorded
No type recorded · MIO NEW ORLEANS · USCG Heartland District (CGD-H) · Activity 964682

Deficiency record · 8

Construction/Loadline
Issued 13 February 1985 Resolved
DRYDOCK VESSEL WITHIN SEVEN (7) DAYS, OR PROVIDE INFORMATION VERIFYING A CG CREDIT DRYDOCKING HAS BEEN MADE WITHIN THE LAST 18 MONTHS.
Condition: Unknown
Due 13 February 1985
Resolved 13 February 1985
Unknown
Issued 24 January 1985 Resolved
[withheld — contains personal information; the deficiency system, dates, and resolution status are shown above]
Condition: Unknown
Due 24 January 1985
Resolved 24 January 1985
Unknown
Issued 24 January 1985 Resolved
PROVIDE VALID COPY OF VESSEL DOCUMENT FOR EXAMINATION.
Condition: Unknown
Due 24 January 1985
Resolved 24 January 1985
Lifesaving
Issued 24 January 1985 Resolved
REPLACE PORT SEARCH LIGHT
Condition: Unknown
Due 24 January 1985
Resolved 24 January 1985
Electrical
Issued 24 January 1985 Resolved
REPAIR ENGINE START SWITCHES ON BRIDGE
Condition: Unknown
Due 24 January 1985
Resolved 24 January 1985
Documentation
Issued 14 December 1983 Resolved
INSTALL WARNING PLACARD AT MSD DISCHARGE VALVE.
Condition: Unknown
Due 14 December 1983
Resolved 14 December 1983
Accommodation/Occupational Safety
Issued 14 December 1983 Resolved
PROVIDE APPROVED PLANS FOR INSTALLATION OF MARINE SANITATION TYPE III SYSTEM.
Condition: Unknown
Due 14 December 1983
Resolved 14 December 1983
Construction/Loadline
Issued 14 December 1983 Resolved
PROVIDE INDICATOR FOR DETERMINING WHEN MSD HOLDING TANK IS 3/4 FULL.
Condition: Unknown
Due 14 December 1983
Resolved 14 December 1983

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.