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NEPTUNE

Research Vessel · Research Ship class · Built 1960s · USCG Great Lakes District (CGD-GL) · Other hulls named NEPTUNE

NEPTUNE is a 1969 research vessel. The Coast Guard has recorded 10 inspections since 1985, most recently in January 2001, along with 11 deficiencies.

Records from 1985 to 2001. Most recent: inspection, 31 January 2001.

Built
1969
Last inspected
31 January 2001
Documentation
Valid · documentation file of 10 September 2026
Inspections
10
Deficiencies
11 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date

Identity

US Official No.
523296
IMO number
—
Call sign
KAAU
MISLE id
55204
Flag
UNITED STATES
MMSI
—
Maury page id
psix-55204

Inspections, by type

…physical examinations8
…administrative events2
Years with a record 9 calendar years (1985–2001)
The 10 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 25 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

Registered dimensions (L × B × D)61.6 ft × 17.0 ft × 5.8 ft
Registered tonnagegross 66 / net 45
ITC dimensions (L × B × D)Not recorded
ITC tonnageNot recorded
BuilderBREAUX'S BAY CRAFT · LOREAUVILLE, LA, UNITED STATES · built 1969
Hull materialAluminum
PropulsionDiesel Reduction
Hull shapeNot recorded
Hull configurationNot recorded
Hailing portBEAVER ISLAND, MI
Trade endorsementsCoastwise, unrestricted, Recreational
DocumentationValid · issued 17 June 2026 · expires 30 June 2027
Service, as the file records itResearch Vessel
Hull formpowered (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)
Tonnage as PSIX records it66 - Regulatory (Subpart C or D), Gross Ton
45 - Regulatory (Subpart C or D), Net Ton
Every line above is a field of the National Vessel Documentation Center's file as served by NOAA Fisheries, dated 10 September 2026, matched to this hull on its Official Number. Registered and ITC measurements are two systems and are never combined. One snapshot is held so far; documentation history begins with the next.

Radio station licence

KAAUMMSI not assigned · expired · compulsorily equipped · granted 29 August 1994, cancelled 4 December 2004
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 · 10

31 January 2001 Administrative
Administrative · MSO CHICAGO · USCG Great Lakes District (CGD-GL) · Activity 1395607
20 May 1999 Re-Inspection
Physical examination · MSO CHICAGO · USCG Great Lakes District (CGD-GL) · Activity 1378815
5 June 1998 Re-Inspection
Physical examination · MSO CHICAGO · USCG Great Lakes District (CGD-GL) · Activity 1446653
18 September 1997 Hull Examination
Physical examination · MSO CHICAGO · USCG Great Lakes District (CGD-GL) · Activity 1464710
23 April 1997 COI Inspection · Drydock Extension
Physical examination · MSO CHICAGO · USCG Great Lakes District (CGD-GL) · Activity 1441239
3 April 1995 COI Inspection
Physical examination · MSO CHICAGO · USCG Great Lakes District (CGD-GL) · Activity 1402005
20 July 1994 Administrative
Administrative · MSO SAULT STE MARIE · USCG Great Lakes District (CGD-GL) · Activity 861396
12 September 1991 COI Inspection · Hull Examination
Physical examination · MIO ST. IGNACE · USCG Great Lakes District (CGD-GL) · Activity 934196
29 September 1986 COI Inspection
Physical examination · MSO CHICAGO · USCG Great Lakes District (CGD-GL) · Activity 1005534
20 June 1985 Re-Inspection
Physical examination · MSO CHICAGO · USCG Great Lakes District (CGD-GL) · Activity 1293522

Deficiency record · 11

Navigation
Issued 5 June 1998 Resolved
Provide current compass deviation card for vessel
Condition: Unknown
Due 30 June 1998
Resolved 7 August 1998
Construction/Loadline
Issued 5 June 1998 Resolved
Provide portlight covers storage near portlights on vessel.
Condition: Unknown
Due 30 June 1998
Resolved 7 August 1998
Lifesaving
Issued 5 June 1998 Resolved
Renew floating line on life ring.
Condition: Unknown
Due 30 June 1998
Resolved 7 August 1998
Lifesaving
Issued 23 April 1997 Resolved
Provide a life jacket donning placard.
Condition: Unknown
Due 23 April 1997
Resolved 23 April 1997
Documentation
Issued 23 April 1997 Resolved
Prove compliance with chemical testing requirements listed in 46CFR16 no later than 30 May 1997. Failure to comply by this date will result in the suspension of your vessel's COI.
Condition: Unknown
Due 3 June 1997
Resolved 3 June 1997
Documentation
Issued 23 April 1997 Resolved
Provide current FCC Great Lakes Agreement.
Condition: Unknown
Due 3 June 1997
Resolved 3 June 1997
Lifesaving
Issued 29 September 1986 Resolved
VESSEL IS LIMITED TO 24 PERSONS ON BOARD UNTIL SUCH TIME AS PRIMARY LIFESAVLIFESAVING APPIANCES ARE INCREASED TO ACCOUNT FOR THE 25TH PERSON NOT LATER THAN THE COMPLIANCE DATE.
Condition: Unknown
Due 29 September 1986
Resolved 29 September 1986
Lifesaving
Issued 29 September 1986 Resolved
PROVIDE 03 CHILDS PFD'S AS REQUIRED BY CERTIFICATE OF INSPECTION, NO LATER THAN COMPLIANCE DATE BUT PRIOR TO CARRYING CHILDREN
Condition: Unknown
Due 29 September 1986
Resolved 29 September 1986
Fire Fighting
Issued 29 September 1986 Resolved
DISCHARGE PROPELLING PRESSURE AND RE-CHARGE ONE B-II PORTABLE FIRE EXTINGUIEXTINGUISHER ON STATION #6 TO ALLEVIATE OVER CHARGED CONDITION NO LATER THAN COMPLIANCE DATE.
Condition: Unknown
Due 29 September 1986
Resolved 29 September 1986
Lifesaving
Issued 29 September 1986 Resolved
RE-PLACE 06 HAND HELD ORANGE SMOKE FLARES NO LATER THAN COMPLIANCE DATE BUTPRIOR TO GETTING UNDERWAY.
Condition: Unknown
Due 29 September 1986
Resolved 29 September 1986
Accommodation/Occupational Safety
Issued 29 September 1986 Resolved
CUT CARPET IN WAY OF FORWARD ENGINEROOM EMERGENCY ESCAPE HATCH TO ALLOW HATCH TO OPEN NO LATER THAN COMPLIANCE DATE BUT PRIOR TO GETTING UNDERWAY.
Condition: Unknown
Due 29 September 1986
Resolved 29 September 1986

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.