← All vessels
SATURN
SATURN is a 1969 towing vessel. The Coast Guard has recorded 23 inspections since 1993, most recently in February 2026, along with 2 deficiencies, 1 operational control and 2 casualty investigations between 2011 and 2013.
Records from 1993 to 2026. Most recent: inspection, 27 February 2026.
- Built
- 1969
- Last inspected
- 27 February 2026
- Documentation
- Valid · documentation file of 10 September 2026
- Deficiencies
- 2 recorded · 0 without a recorded resolution
- Controls
- None recorded without a removal date
- Casualties
- 2 investigations · 2011–2013
Identity
518570
8841773 View on MarineTraffic leaves Maury; a third-party site, nothing from it is stored here
WDH8048
99383
Flag
UNITED STATES
366888770
Maury page id
psix-99383
Inspections, by type
…with no type recorded12
Years with a record
16 calendar years (1993–2026)
The 23 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 Towing Vessel class in Maury's sources begin in 1980.
Documentation record
Registered dimensions (L × B × D)85.4 ft × 28.6 ft × 9.2 ft
Registered tonnagegross 147 / net 99
ITC dimensions (L × B × D)87.0 ft × 28.8 ft × 13.3 ft
ITC tonnagegross 172 / net 51
Builderbuilder not recorded · HOUSTON, TX, UNITED STATES · built 1969
Hull materialSteel
PropulsionDiesel Reduction
Hull shapeNot recorded
Hull configurationNot recorded
Hailing portSEATTLE, WA
Trade endorsementsCoastwise, unrestricted, Registry
DocumentationValid · issued 19 November 2025 · expires 31 December 2026
Service, as the file records itTowing Vessel
Hull formpowered (Maury's inference from propulsion, hull shape, material and length, rule hf-1; not a recorded fact)
Tonnage as PSIX records it172 - Convention (Subpart B), Gross Ton
147 - Regulatory (Subpart C or D), Gross Ton
51 - Convention (Subpart B), Net Ton
99 - Regulatory (Subpart C or D), Net Ton
147 - Regulatory (Subpart C or D), Gross Ton
51 - Convention (Subpart B), Net Ton
99 - 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
WDH8048MMSI 366888770 · active · compulsorily equipped · granted 5 November 2024, expires 22 January 2035
WBN3026MMSI 366888770 · cancelled · compulsorily equipped · granted 18 September 2007, cancelled 16 January 2015
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.
SPARTAN Towing Vessel · MISLE 99191 · 19 June 2013 · activity 4625064SIEM EDISON Freight Ship · MISLE 962404 · 10 February 2011 · activity 3943524PRUDHOE BAY Tank Ship · MISLE 47044 · 10 September 1996 · activity 97401MILLENNIUM MAVERICK Towing Vessel · MISLE 441748 · 10 September 1996 · activity 97401Inspection history · 23
27 February 2026
Deficiency Check
Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 8317767
24 October 2025
COI Inspection
Physical examination · Sector Columbia River · USCG Northwest District (CGD-NW) · Activity 8258418
28 April 2025
Administrative Inspection
Administrative · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 8123254
23 February 2022
Administrative Inspection
Administrative · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 7400742
6 May 2021
Administrative Inspection
Administrative · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 7191214
9 July 2020
Initial Certification
Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 7006189
6 September 2018
Administrative Inspection
Administrative · Navigation Center · Activity 6533727
6 November 2017
Industry Initiated Exam · MTSA Verification
Physical examination · Sector Puget Sound · USCG Northwest District (CGD-NW) · Activity 6291900
28 February 2017
Type not recorded
No type recorded · Sector San Francisco · USCG Southwest District (CGD-SW) · Activity 6096494
17 October 2014
In-Service Inspection · Damage Survey
Physical examination · Sector San Diego · USCG Southwest District (CGD-SW) · Activity 5010937
17 October 2014
Type not recorded
No type recorded · Sector San Diego · USCG Southwest District (CGD-SW) · Activity 5115191
9 October 2013
Type not recorded
No type recorded · Sector San Diego · USCG Southwest District (CGD-SW) · Activity 4732279
19 June 2013
Type not recorded
No type recorded · Sector San Diego · USCG Southwest District (CGD-SW) · Activity 4625064
2 March 2011
Industry Initiated Exam
Physical examination · Sector San Diego · USCG Southwest District (CGD-SW) · Activity 3955903
10 February 2011
Type not recorded
No type recorded · Sector San Diego · USCG Southwest District (CGD-SW) · Activity 3943524
29 May 2010
Type not recorded
No type recorded · Sector San Diego · USCG Southwest District (CGD-SW) · Activity 3752025
22 December 2006
Uninspected Other · MTSA Verification
Physical examination · Sector San Diego · USCG Southwest District (CGD-SW) · Activity 2844944
1 August 2006
Type not recorded
No type recorded · Sector San Diego · USCG Southwest District (CGD-SW) · Activity 2733173
26 January 1997
Type not recorded
No type recorded · MSO PUGET SOUND · USCG Northwest District (CGD-NW) · Activity 18065
10 September 1996
Type not recorded
No type recorded · MSO LOS ANGELES/LONG BEACH · USCG Southwest District (CGD-SW) · Activity 97401
18 April 1995
Type not recorded
No type recorded · MSO SAN FRANCISCO BAY · USCG Southwest District (CGD-SW) · Activity 149887
28 January 1995
Type not recorded
No type recorded · MSO SAN FRANCISCO BAY · USCG Southwest District (CGD-SW) · Activity 181689
21 January 1993
Type not recorded
No type recorded · MSO LOS ANGELES/LONG BEACH · USCG Southwest District (CGD-SW) · Activity 30596
Deficiency record · 2
04 - Emergency Systems › N/A - No Subsystem › Location of emergency installations
Issued 27 October 2025
Resolved
A towing vessel with overnight accommodations and alternating watches (shift work), when pulling, pushing or hauling alongside one or more barges, must have a system to detect when its master or mate (pilot) becomes incapacitated. The system must: Have an alarm in the pilothouse distinct from any other alarm.
While Conducting the Renewal COI exam, Marine Inspector noted that the was no Pilot house alerter system installed on the vessel. Install Pilothouse alerter system or have a second person in the pilot house prior to conducting commercial operations. Rectify to the satisfaction of TPO.
10 - Safety of Navigation › N/A - No Subsystem › Automatic Identification System (AIS)
Issued 6 September 2018
Resolved
CLSN: Vsl is broadcasting Invalid Call Sign, BEAM > LENGTH: Vsl is broadcasting Beam > than LOA
Casualty record · 2
10 February 2011Routine · role: Involved in a Marine Casualty · activity 3943524
19 June 2013Routine · role: Involved in a Marine Casualty · activity 4625064
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.