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BLUE HERON

Research Vessel · Research Ship class · Built 1980s · USCG Great Lakes District (CGD-GL) · Other hulls named BLUE HERON

BLUE HERON is a 1985 research vessel. The Coast Guard has recorded 15 inspections since 1994, most recently in November 2025.

Records from 1994 to 2025. Most recent: inspection, 10 November 2025.

Built
1985
Last inspected
10 November 2025
Documentation
Valid · documentation file of 10 September 2026
Inspections
15
Deficiencies
0 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date

Identity

US Official No.
690806
IMO number
8511897 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here
Call sign
WCX7521
MISLE id
263050
Flag
UNITED STATES
MMSI
366947250
Maury page id
psix-263050

Inspections, by type

…physical examinations3
…administrative events7
…with no type recorded5
Years with a record 13 calendar years (1994–2025)
The 15 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.

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)76.8 ft × 23.2 ft × 12.0 ft
Registered tonnagegross 175 / net 125
ITC dimensions (L × B × D)Not recorded
ITC tonnageNot recorded
BuilderGOUDY AND STEVENS · EAST BOOTHBAY, ME, UNITED STATES · built 1985
Hull materialSteel
PropulsionNot recorded
Hull shapeNot recorded
Hull configurationNot recorded
Hailing portDULUTH, MN
Trade endorsementsRegistry
DocumentationValid · issued 26 August 2026 · expires 30 September 2027
Service, as the file records itResearch Vessel
Hull formunknown (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)
Tonnage as PSIX records it175 - Regulatory (Subpart C or D), Gross Ton
125 - 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

WCX7521MMSI 366947250 · active · voluntarily equipped · granted 11 August 2017, expires 18 September 2027
WSD5883MMSI not assigned · expired · voluntarily equipped · granted 21 March 1995, cancelled 21 May 2005 · 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 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 · 15

10 November 2025 Administrative Inspection · ORV Letter of Designation
Administrative · Marine Safety Unit Duluth · USCG Great Lakes District (CGD-GL) · Activity 8271523
18 January 2024 ORV Letter of Designation
Administrative · Marine Safety Unit Duluth · USCG Great Lakes District (CGD-GL) · Activity 7850857
16 August 2022 Administrative Inspection · Attraction Vessel Exam
Physical examination · Sector Eastern Great Lakes · USCG Great Lakes District (CGD-GL) · Activity 7535502
3 March 2022 ORV Letter of Designation
Administrative · Marine Safety Unit Duluth · USCG Great Lakes District (CGD-GL) · Activity 7406037
26 June 2018 ORV Letter of Designation · Administrative Inspection
Administrative · Marine Safety Unit Duluth · USCG Great Lakes District (CGD-GL) · Activity 6467749
3 May 2016 Administrative Inspection
Administrative · Marine Safety Unit Duluth · USCG Great Lakes District (CGD-GL) · Activity 5873469
11 August 2015 Type not recorded
No type recorded · Station Duluth · USCG Great Lakes District (CGD-GL) · Activity 5218814
3 June 2014 Administrative Inspection
Administrative · Marine Safety Unit Duluth · USCG Great Lakes District (CGD-GL) · Activity 4879473
17 March 2010 Type not recorded
No type recorded · Marine Safety Unit Duluth · USCG Great Lakes District (CGD-GL) · Activity 3697412
15 September 2003 Administrative Inspection
Administrative · MSO DULUTH · USCG Great Lakes District (CGD-GL) · Activity 1905743
29 October 2001 Uninspected Other
Physical examination · MSO DULUTH · USCG Great Lakes District (CGD-GL) · Activity 1076784
13 October 1999 Uninspected Other
Physical examination · MSO DULUTH · USCG Great Lakes District (CGD-GL) · Activity 1121253
21 October 1997 Type not recorded
No type recorded · MSO DULUTH · USCG Great Lakes District (CGD-GL) · Activity 780408
24 February 1994 Type not recorded
No type recorded · MSO PORTLAND MAINE · USCG Northeast District (CGD-NE) · Activity 660393
23 February 1994 Type not recorded
No type recorded · MSO PORTLAND MAINE · USCG Northeast District (CGD-NE) · Activity 47022

Deficiency record · 0

No deficiencies recorded against this vessel. This means none were written in the records covered — it is not a statement about the vessel's condition. What a recorded resolution is.

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.