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Photo of SD NORTHERN RIVER
Mark Harkin · CC BY 2.0

SD NORTHERN RIVER

Other · United Kingdom · Class A

IMO 9179323
MMSI 235090402
active

Current position

updated 3 days ago
Position
50.5720° N, 2.4408° W
Area
North Atlantic Ocean
Speed
0 kn
Course
350°
Heading
Status
Moored
Destination

Identity & particulars

Name
SD NORTHERN RIVER
IMO number
9179323
MMSI
235090402
Call sign
2FDV4
Flag
🇬🇧 United Kingdom
Vessel type
Other
Gross tonnage
3,612
Deadweight (DWT)
Length overall
92.8 m
Beam
18.8 m
Year built
1998
Builder
Myklebust Verft
Registered owner
Operator

Particulars are enriched from public sources as they become available. Position & identity are derived live from AIS.

About SD NORTHERN RIVER

SD Northern River is a large multi-purpose auxiliary ship operated by Serco Marine Services in support of the United Kingdom's Naval Service and is currently the largest ship operated by Serco Marine Services, both in terms of dimensions and gross tonnage. Her duties involve target towing during naval training exercises, transport of naval equipment, noise ranging and data gathering, as well as serving as a submarine escort/rescue vessel. SD Northern River can embark the NATO Submarine Rescue System. SD Northern River also reportedly specializes in Special Forces (SF) operations, participating, for instance, in Exercise Chameleon 23-1 off the British Sovereign Base Areas in Cyprus in early 2023.

Summary from Wikipedia, licensed CC BY-SA.

Safety & inspections

4
Inspections
0
Detentions
0
Deficiencies
DateTypePortFindings
Jul 2, 2025Vessel InspectionMobile, Alabamaclean
Dec 12, 2002Vessel InspectionTEXAS CITY, Texasclean
Oct 30, 2002Vessel InspectionTEXAS CITY, Texasclean
Aug 12, 2002Vessel InspectionTEXAS CITY, Texasclean

Source: U.S. Coast Guard Port State Information Exchange (PSIX) — public domain. Covers inspections recorded in U.S. waters. Free on Seadar; the incumbents charge for this.

Frequently asked questions

Where is SD NORTHERN RIVER now?
SD NORTHERN RIVER (IMO 9179323) was last detected in the North Atlantic Ocean at 50.5720° N, 2.4408° W, making 0.0 knots — 3 days ago. Seadar tracks SD NORTHERN RIVER live and free using AIS, with no paywall on position or identity.
What kind of ship is SD NORTHERN RIVER?
SD NORTHERN RIVER is a other sailing under the flag of United Kingdom, built in 1998 by Myklebust Verft. The vessel is 92.8 m long with a beam of 18.8 m and has a gross tonnage of 3,612.
Has SD NORTHERN RIVER been detained or sanctioned?
SD NORTHERN RIVER has 4 recorded Port State Control inspections with no detentions.

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