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HERCULES 78

Mobile Offshore Drilling Unit · Offshore class · Built 1980s · USCG Heartland District (CGD-H)

HERCULES 78 is a 1983 mobile offshore drilling unit. The Coast Guard has recorded 3 inspections since 2006, most recently in April 2008, along with 10 deficiencies — 10 with no resolution recorded —.

Records from 2006 to 2008. Most recent: inspection, 24 April 2008.

Built
1983
Last inspected
24 April 2008
Documentation
Not in the documentation file of 10 September 2026
Inspections
3
Deficiencies
10 recorded · 10 without a recorded resolution
Controls
None recorded without a removal date

Identity

US Official No.
—
IMO number
8750390 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here
Call sign
A8DZ9
MISLE id
804932
Flag
LIBERIA
MMSI
—
Maury page id
psix-804932

Inspections, by type

…past their stated due date10
Years with a record 3 calendar years (2006–2008)
The 3 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 18 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 Offshore class in Maury's sources begin in 1978.

Documentation record

Tonnage as PSIX records it2025 - Convention (Subpart B), Net Ton
6750 - Convention (Subpart B), Gross Ton
2235 - Regulatory (Subpart C or D), Gross 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

No FCC ship-station licence is recorded against this Official Number in the file of 6 September 2026. That is a fact about the licence file, not about the radio.

A report is not offered for this hull: Its record holds only 1 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 · 3

24 April 2008 COC-MODU Renew
Type not classified · Marine Safety Unit Port Arthur · USCG Heartland District (CGD-H) · Activity 3191549
22 October 2007 COC-MODU Annual
Type not classified · Marine Safety Unit Morgan City · USCG Heartland District (CGD-H) · Activity 3084590
5 May 2006 COC-MODU Renew
Type not classified · Marine Safety Unit Galveston · USCG Heartland District (CGD-H) · Activity 2935350

Deficiency record · 10

Fire Fighting › Structural - A Class Divisions › Fire Doors
Issued 9 April 2008 No resolution recorded
Class A doors into galley and mess deck did not close properly. Adjust so they operate correctly.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded
Fire Fighting › Structural - A Class Divisions › Windows
Issued 9 April 2008 No resolution recorded
Glass in galley door not Class A. Replace with Class A rated glass.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded
Lifesaving › Lifebuoys › Serviceable
Issued 9 April 2008 No resolution recorded
Ring buoy on starboard side not serviceable. Replace with approved ring buoy.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded
Accommodation/Occupational Safety › Occupational Safety › Tripping/Falling Hazard
Issued 9 April 2008 No resolution recorded
Handle for bathroom door in stateroom number 3 missing. Replace so door operates properly.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded
Accommodation/Occupational Safety › Washroom/Toilet › Toilet
Issued 9 April 2008 No resolution recorded
Toilet in lower bathroom not operable. Repair to serviceable condition.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded
Accommodation/Occupational Safety › Sleeping Accommodations › Berth
Issued 9 April 2008 No resolution recorded
Mattresses on lower berthing area moldy and un-sanitary. Replace with approved mattresses.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded
Deck/Cargo › Vapor Control Systems › Flame Screens
Issued 9 April 2008 No resolution recorded
Flame screens for fuel tanks painted and torn. Replace with serviceable flame screens.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded
Documentation › Manuals/Policy Documentation › Emergency Instructions
Issued 9 April 2008 No resolution recorded
Rig did not have approved Emergency Evacuation Plan. Provide Coast Guard approved EEP.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded
Documentation › Logs/Records › Transfer Equipment Test/Inspection Records
Issued 9 April 2008 No resolution recorded
No record of test for fuel transfer hoses. Provide paperwork of required test.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded
Electrical › Electric Generation Source (emergency) › Generator
Issued 9 April 2008 No resolution recorded
Emergency generator not functional. Install functional emergency generator and test for proper operation.
Action required: 705 - Other - as specified
Due 9 June 2008 — due date passed with no resolution recorded

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.