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SENTINEL

Towing Vessel · Built 1970s · USCG Southeast District (CGD-SE) · Other hulls named SENTINEL · CROWLEY MARINE SERVICES, INC. operator of record, 2023

SENTINEL is a 1976 towing vessel. The Coast Guard has recorded 37 inspections since 1994, most recently in May 2020, along with 1 deficiency, 2 operational controls and 11 casualty investigations between 2002 and 2017.

Records from 1994 to 2020. Most recent: inspection, 21 May 2020.

Built
1976
Last inspected
21 May 2020
Documentation
Not in the documentation file of 10 September 2026
Inspections
37
Deficiencies
1 recorded · 0 without a recorded resolution
Controls
None recorded without a removal date
Casualties
11 investigations · 2002–2017
Inspected with
4 other vessels

Identity

US Official No.
573426
IMO number
7507370 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here
Call sign
WBN6510
MISLE id
141878
Flag
UNITED STATES
MMSI
366766980
Maury page id
psix-141878

Inspections, by type

…physical examinations9
…administrative events7
…with no type recorded21
Years with a record 18 calendar years (1994–2020)
The 37 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 6 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 Towing Vessel class in Maury's sources begin in 1980.

Documentation record

Tonnage as PSIX records it199 - Regulatory (Subpart C or D), Gross Ton
538 - Convention (Subpart B), Gross Ton
135 - Regulatory (Subpart C or D), Net Ton
161 - 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

WBN6510MMSI 366766980 · active · compulsorily equipped · granted 19 July 2016, expires 21 August 2026
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.

Inspected as a tow unit · 4

The Coast Guard recorded this vessel and the following in the same inspection activity — normally a tug and the barges in its tow. A recreational or unclassed hull in the same activity is held and not published, so it does not appear here: these lists are a floor, not a complete manifest.

MIAMI Freight Barge · MISLE 48801 · 31 October 2017 · activity 6299028EL REY Freight Barge · MISLE 52134 · 6 May 2010 · activity 3732160PONCE Freight Barge · MISLE 48435 · 29 May 2002 · activity 1631200EL REY Freight Barge · MISLE 52134 · 15 November 1996 · activity 129748SAN JUAN Freight Barge · MISLE 48934 · 13 April 1996 · activity 43269SAN JUAN Freight Barge · MISLE 48934 · 31 December 1995 · activity 69479

Inspection history · 37

21 May 2020 Administrative Inspection
Administrative · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 6957341
12 November 2017 Type not recorded
No type recorded · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 6306091
8 November 2017 Type not recorded
No type recorded · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 6303688
31 October 2017 Type not recorded
No type recorded · Marine Safety Unit Port Canaveral · USCG Southeast District (CGD-SE) · Activity 6299028
30 July 2017 Type not recorded
No type recorded · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 6236627
27 July 2017 Type not recorded
No type recorded · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 6236429
30 June 2016 MTSA/ISPS Verification
Physical examination · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 5924451
28 September 2015 Type not recorded
No type recorded · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 5730950
28 September 2015 Type not recorded
No type recorded · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 5816899
6 February 2013 Type not recorded
No type recorded · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 4529738
8 September 2012 Administrative Inspection
Administrative · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 4438990
18 January 2012 Type not recorded
No type recorded · Sector North Carolina · USCG East District (CGD-E) · Activity 4234359
20 November 2011 Type not recorded
No type recorded · Marine Safety Detachment Nags Head · USCG East District (CGD-E) · Activity 4193239
26 July 2011 Type not recorded
No type recorded · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 4102531
5 July 2011 MTSA/ISPS Verification
Physical examination · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 4052481
20 May 2011 Industry Initiated Exam
Physical examination · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 4016662
8 May 2010 Damage Survey
Physical examination · Sector Delaware Bay · USCG East District (CGD-E) · Activity 3733736
6 May 2010 Type not recorded
No type recorded · Sector Delaware Bay · USCG East District (CGD-E) · Activity 3732160
5 February 2010 MTSA/ISPS Verification
Physical examination · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 3676223
26 January 2010 Type not recorded
No type recorded · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 3670321
24 February 2008 Type not recorded
No type recorded · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 3152934
2 August 2006 MTSA/ISPS Verification
Physical examination · Sector Jacksonville · USCG Southeast District (CGD-SE) · Activity 2733837
9 January 2006 MTSA/ISPS Verification
Physical examination · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 2563241
6 July 2005 Administrative Inspection
Administrative · Marine Safety Center (MSC) · Activity 2417371
21 June 2005 Security Plan Amendment Review - VSP
Administrative · Marine Safety Center (MSC) · Activity 2397491
17 April 2005 Type not recorded
No type recorded · Sector San Juan · USCG Southeast District (CGD-SE) · Activity 2336242
13 December 2004 MTSA/ISPS Verification · Uninspected Other
Physical examination · MSO JACKSONVILLE · USCG Southeast District (CGD-SE) · Activity 2256304
13 December 2004 Annual Inspection
Physical examination · MSO JACKSONVILLE · USCG Southeast District (CGD-SE) · Activity 2263938
1 July 2004 Administrative Inspection
Administrative · MSO JACKSONVILLE · USCG Southeast District (CGD-SE) · Activity 2123275
6 February 2004 Security Plan Review - VSP
Administrative · Marine Safety Center (MSC) · Activity 2003616
30 December 2003 Security Plan Review - ASP
Administrative · Marine Safety Center (MSC) · Activity 1978277
29 May 2002 Type not recorded
No type recorded · MSO JACKSONVILLE · USCG Southeast District (CGD-SE) · Activity 1631200
17 January 1999 Type not recorded
No type recorded · MSO JACKSONVILLE · USCG Southeast District (CGD-SE) · Activity 50393
15 November 1996 Type not recorded
No type recorded · MSO JACKSONVILLE · USCG Southeast District (CGD-SE) · Activity 129748
13 April 1996 Type not recorded
No type recorded · MSO JACKSONVILLE · USCG Southeast District (CGD-SE) · Activity 43269
31 December 1995 Type not recorded
No type recorded · MSO PHILADELPHIA · USCG East District (CGD-E) · Activity 69479
12 May 1994 Type not recorded
No type recorded · MSO SAN JUAN · USCG Southeast District (CGD-SE) · Activity 156367

Deficiency record · 1

Electrical › Lighting (service) › Lighting Fixture
Issued 9 December 2004 Resolved
SEARCH LIGHT WILL NOT ROTATE.
Condition: Unknown
Action required: 705 - Other - as specified
Due 13 December 2004
Resolved 13 December 2004
Resolution: CORRECTED TO THE SATISFACTION OF THE MARINE INSPECTOR.

Casualty record · 11

29 May 2002Routine · role: Involved in a Marine Casualty · activity 1631200
6 May 2010Routine · role: Involved in a Marine Casualty · activity 3732160
26 July 2011Routine · role: Involved in a Marine Casualty · 1 injured · activity 4102531
20 November 2011Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · 1 injured · activity 4193239
18 January 2012Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · 1 injured · activity 4234359
6 February 2013Routine · role: Acknowledged Pollution Source · activity 4529738
28 September 2015Routine · role: Involved in a Marine Casualty · activity 5816899
27 July 2017Routine · role: Involved in a Marine Casualty · activity 6236429
30 July 2017Routine · role: Involved in a Marine Casualty · serious marine incident, as classified · 1 injured · activity 6236627
31 October 2017Routine · role: Involved in a Marine Casualty · activity 6299028
12 November 2017Routine · role: Involved in a Marine Casualty · activity 6306091
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.