HMS Hydra
Medical vessel · built 1966
In short
HMS Hydra (Medical vessel) has no AIS position on record with Voydar.
- Vessel type
- Medical vessel
- Flag
- —
- Year built
- 1966
- Gross tonnage
- —
- Size (length × beam)
- 79 m
- Registered owner
- —
Watch this ship
Get an email when HMS Hydra arrives or leaves port, changes destination, name, flag or owner, or is sanctioned, detained or named in an official release.
We email you a link and a code. That creates a free account, no password or card, and follows HMS Hydra.
Free account, no card: follow up to 5 ships and ports. Plus follows 50, Pro 500.
By continuing you accept the Terms and the Privacy policy.

Last reported position
No AIS position on record for this vessel. Identity and particulars are below.
A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)
Try the live demo, no sign-upIdentity & particulars
- Name
- HMS Hydra
- IMO numberWhat is an IMO number?
- 6519340
- MMSIWhat is an MMSI?
- —
- Call signWhat is a call sign?
- —
- Flag
- —
- Vessel type
- Medical vessel
- Gross tonnageGross tonnage vs deadweight
- —
- Length overall
- 79.3 m
- Beam
- —
- Year built
- 1966
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
- Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
- Builder
- Source: Wikidata · reported · confidence 0.8 · retrieved Sep 22, 2026
About HMS Hydra
HMS Hydra (pennant number A144) was a Royal Navy deep ocean hydrographic survey vessel, the third of the original three of the Hecla class. The ship was laid down as yard number 2258 on 14 May 1964 at Yarrow Shipbuilders, at Scotstoun on the River Clyde and launched on 14 July 1965 by Mary Lythall, wife of the then Chief Scientist (Royal Navy), Basil W Lythall CB (1919–2001). She was completed and first commissioned on 4 May 1966 and, as the replacement for the survey ship HMS Owen, her commanding officer and many of her ship's company formed the first commission of HMS Hydra. She was decommissioned and sold to the Indonesian Navy in 1986 and renamed KRI Dewa Kembar (Pennant Number 932); she was still in service in 2019.
Summary from Wikipedia, licensed CC BY-SA.
Frequently asked questions
- Where is HMS Hydra now?
- Voydar has no displayable AIS position for HMS Hydra in this profile. A coverage gap does not establish whether the ship is transmitting or where it is now.
- What kind of ship is HMS Hydra?
- HMS Hydra is a medical vessel, built in 1966 by Yarrow Shipbuilders Limited. The vessel is 79.3 m long.
- What sanctions and inspection records does Voydar hold for HMS Hydra?
- Voydar has no matched sanctions record displayed for HMS Hydra 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 HMS Hydra. Missing records do not establish whether the ship has been detained.
Use this data
This page is also available as JSON, free, with the source and licence of every section. Sections whose sources do not permit redistribution are listed as withheld.
GET /api/v1/vessels/6519340Using this data in code?
Every account gets a personal API allowance: 2,500 credits a month free, 25,000 with Pro. Pro adds internal business use; API plans add building the data into your own products.