What kind of ship is RFA Tiderace?

RFA Tiderace is a naval vessel sailing under the flag of United Kingdom, built in 2018 by Hanwha Ocean. The vessel is 201 m long and has a gross tonnage of 29,324.

What sanctions and inspection records does Voydar hold for RFA Tiderace?

Voydar has no matched sanctions record displayed for RFA Tiderace from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for RFA Tiderace. Missing records do not establish whether the ship has been detained.

RFA Tiderace

Naval vessel · United Kingdom · built 2018 · AIS Class A

IMO9655547MMSI235109337Call signGXRLLast AIS position Sep 30, 2026, 09:20 UTC

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In short

RFA Tiderace (Naval vessel, United Kingdom flag) was last seen on AIS on Sep 30, 2026, 09:20 UTC, moored, near Liverpool (Irish Sea). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report. Its last detected port call was at Birkenhead: arrived Jun 21, 2026, left Jun 21, 2026.

Vessel type: Naval vessel
Flag: United Kingdom
Year built: 2018
Gross tonnage: 29,324
Size (length × beam): 201 m
Registered owner: —

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Last reported position

received Sep 30, 2026, 09:20 UTC

Position: 53.4576° N, 3.0272° W
Area: Irish Sea
StatusWhat do AIS statuses mean?: Moored
Speed: 0.1 kn
Course: 106°
Heading: 323°

53.4576° N, 3.0272° W

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Voydar detected no port call in the last 30 days.

Port calls are detected by Voydar from AIS (at least 30 minutes slow inside a harbour area); see Port calls below.

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Identity & particulars

Name: RFA Tiderace
IMO numberWhat is an IMO number?: 9655547
MMSIWhat is an MMSI?: 235109337
Call signWhat is a call sign?: GXRL
Flag: United Kingdom
Vessel type: Naval vessel
AIS ship type: Military ops
Gross tonnageGross tonnage vs deadweight: 29,324
Length overall: 201 m
Beam: —
Year built: 2018

A tag next to a value names the register that supplied it (hover or tap it for the record and date). Values without a tag come from the ship's own AIS broadcasts or from Wikidata. Position and identity are derived live from AIS.

Ownership & management

Each line shows where the fact comes from. Links backed by an identifier point to the company page.

Operator: His Majesty's Naval Service
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
Builder: Hanwha Ocean
Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026

Timeline

Dated events for this ship from every source Voydar holds, newest first. Each line names its source; derived items say how they were derived.

Date	Event	Source
Jun 21, 2026, 12:48 UTC	Left BirkenheadAIS-detected	Voydar port-call detector (AIS geofence)
Jun 21, 2026, 12:00 UTC	Arrived at BirkenheadAIS-detected	Voydar port-call detector (AIS geofence)
Jun 21, 2026, 12:00 UTC	Left BirkenheadAIS-detected	Voydar port-call detector (AIS geofence)
Jun 21, 2026, 03:06 UTC	Arrived at BirkenheadAIS-detected	Voydar port-call detector (AIS geofence)
Jun 21, 2026, 03:06 UTC	Left TranmereAIS-detected	Voydar port-call detector (AIS geofence)
Jun 20, 2026, 14:27 UTC	Arrived at TranmereAIS-detected	Voydar port-call detector (AIS geofence)

Owner, operator and manager changes found by comparing yearly EU MRV reports are dated to the reporting year ("during 2025"), not to a day. Port calls here are the most recent only; the full lists are further down.

Port calls

Two kinds of evidence, kept apart: calls Voydar detected from the ship's AIS positions, and arrivals and departures published by port authorities and customs records.

Detected from AIS AIS-detected

Port	Arrived	Departed	Time in port
Birkenhead GBBRK	Jun 21, 2026, 12:00 UTC	Jun 21, 2026, 12:48 UTC	48 min
Birkenhead GBBRK	Jun 21, 2026, 03:06 UTC	Jun 21, 2026, 12:00 UTC	8 h 54 min
Tranmere GBTRA	Jun 20, 2026, 14:27 UTC	Jun 21, 2026, 03:06 UTC	12 h 39 min
Birkenhead GBBRK	Jun 20, 2026, 12:00 UTC	Jun 20, 2026, 14:27 UTC	2 h 26 min
Birkenhead GBBRK	Jun 20, 2026, 11:30 UTC	Jun 20, 2026, 12:00 UTC	30 min
Tranmere GBTRA	Jun 20, 2026, 07:57 UTC	Jun 20, 2026, 10:40 UTC	2 h 42 min
Tranmere GBTRA	Jun 20, 2026, 05:19 UTC	Jun 20, 2026, 07:57 UTC	2 h 38 min
Birkenhead GBBRK	Jun 19, 2026, 20:37 UTC	Jun 20, 2026, 05:19 UTC	8 h 42 min
Birkenhead GBBRK	Jun 15, 2026, 23:42 UTC	Jun 19, 2026, 20:34 UTC	3 d 20 h
Tranmere GBTRA	Jun 15, 2026, 21:26 UTC	Jun 15, 2026, 23:34 UTC	2 h 8 min
Prenton/Birkenhead GBPBM	Jun 15, 2026, 17:40 UTC	Jun 15, 2026, 18:22 UTC	42 min
Rock Ferry GBRFR	Jun 15, 2026, 15:46 UTC	Jun 15, 2026, 17:40 UTC	1 h 54 min

Detected by Voydar when the ship's AIS positions stayed slow inside a harbour area. Calls shorter than 30 minutes are not shown. Depends on AIS reception; detection started on June 8, 2026.

About RFA Tiderace

RFA Tiderace is a Tide-class replenishment tanker of the British Royal Fleet Auxiliary (RFA). Ordered from DSME in 2012, she was officially named on 1 December 2016 and was accepted by the Ministry of Defence in June 2017. Tiderace entered service on 2 August 2018. Tiderace departed her builders in August 2017 bound for the United Kingdom. She arrived at A&P Falmouth, Cornwall on 25 September 2017 for final fitting out with sensitive military equipment prior to UK sea trials and entry into service in 2018. As of April 2024, she was reported to be in "extended readiness" (uncrewed reserve).

Summary from Wikipedia, licensed CC BY-SA.

Frequently asked questions

Where is RFA Tiderace now?: RFA Tiderace (Naval vessel, United Kingdom flag) was last seen on AIS on Sep 30, 2026, 09:20 UTC, moored, near Liverpool (Irish Sea). Voydar has no more recent AIS position for this ship. Its current location cannot be established from this report.
What kind of ship is RFA Tiderace?: RFA Tiderace is a naval vessel sailing under the flag of United Kingdom, built in 2018 by Hanwha Ocean. The vessel is 201 m long and has a gross tonnage of 29,324.
What sanctions and inspection records does Voydar hold for RFA Tiderace?: Voydar has no matched sanctions record displayed for RFA Tiderace from the OFAC SDN list, the UK Sanctions List, the Canadian autonomous sanctions list, the EU list of designated vessels, the New Zealand Russia Sanctions Register and the French national asset-freeze register. Coverage may be incomplete; this is not sanctions clearance. No matched inspection records are displayed for RFA Tiderace. Missing records do not establish whether the ship has been detained.

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