Where is Zeezwaluw now?

Zeezwaluw (Port tender, Netherlands flag) was last seen on AIS on Oct 4, 2026, 02:41 UTC, not moving, near Hoek van Holland (North Sea). The crew-entered destination was MSSL (voyage report via AISstream.io global terrestrial AIS, received Oct 4, 2026, 02:03 UTC). This report does not confirm the ship’s current route.

What kind of ship is Zeezwaluw?

Zeezwaluw is a port tender sailing under the flag of Netherlands, built in 1971. The vessel is 23.4 m long and has a gross tonnage of 61.

Who is recorded as the owner or manager of Zeezwaluw?

Sima Fleet B.V. is recorded as Registered owner for Zeezwaluw (source: ILT — Nederlands vlagregister (Netherlands flag register data)). This source record does not independently confirm today’s ownership or management.

What sanctions and inspection records does Voydar hold for Zeezwaluw?

Voydar has no matched sanctions record displayed for Zeezwaluw 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 Zeezwaluw. Missing records do not establish whether the ship has been detained.

Zeezwaluw

Port tender · Netherlands · built 1971 · AIS Class A

IMO8434130MMSI246951000Call signPDVFLast AIS position Oct 4, 2026, 02:41 UTC

Open in Terminal

In short

Zeezwaluw (Port tender, Netherlands flag) was last seen on AIS on Oct 4, 2026, 02:41 UTC, not moving, near Hoek van Holland (North Sea). Its crew-entered AIS destination is MSSL; its reported draught is 1.5 m (voyage report via AISstream.io global terrestrial AIS, received Oct 4, 2026, 02:03 UTC). Registered owner: Sima Fleet B.V. (source: ILT — Nederlands vlagregister (Netherlands flag register data)).

Vessel type: Port tender
Flag: Netherlands
Year built: 1971
Gross tonnage: 61
Size (length × beam): 23 m
Registered owner: Sima Fleet B.V.

Watch this ship

Get an email when Zeezwaluw 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 Zeezwaluw.

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

received Oct 4, 2026, 02:41 UTC

Position: 51.9776° N, 4.124° E
Area: North Sea
StatusWhat do AIS statuses mean?: Under way using engine
Speed: 0 kn
Course: —
Heading: 30°

51.9776° N, 4.124° E

Open the full live map →

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.

A year of history in the Terminal (Plus) · the full archive since June 1, 2026 (Pro)

Try the live demo, no sign-up

Identity & particulars

Name: Zeezwaluw
IMO numberWhat is an IMO number?: 8434130
MMSIWhat is an MMSI?: 246951000
Call signWhat is a call sign?: PDVF
Flag: Netherlands
Vessel type: Port tender
Gross tonnageGross tonnage vs deadweight: Source: ILT — Nederlands vlagregister (Netherlands flag register data), record 2603. Added to Voydar on September 28, 2026. Licence: CC0 1.0 (ilent.nl site-wide).61
Net tonnage: Source: ILT — Nederlands vlagregister (Netherlands flag register data), record 2603. Added to Voydar on September 28, 2026. Licence: CC0 1.0 (ilent.nl site-wide).18
Length overall: 23.4 m
Beam: —
Year built: 1971

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.

Registered owner: Sima Fleet B.V.(not linked to a company record)
Source: ILT — Nederlands vlagregister (Netherlands flag register data) · reported · confidence 0.9 · retrieved Oct 1, 2026
Builder: LE COMTE HOLLAND B.V.(not linked to a company record)
Source: ILT — Nederlands vlagregister (Netherlands flag register data) · reported · confidence 0.9 · retrieved Oct 1, 2026

Frequently asked questions

Where is Zeezwaluw now?: Zeezwaluw (Port tender, Netherlands flag) was last seen on AIS on Oct 4, 2026, 02:41 UTC, not moving, near Hoek van Holland (North Sea). The crew-entered destination was MSSL (voyage report via AISstream.io global terrestrial AIS, received Oct 4, 2026, 02:03 UTC). This report does not confirm the ship’s current route.
What kind of ship is Zeezwaluw?: Zeezwaluw is a port tender sailing under the flag of Netherlands, built in 1971. The vessel is 23.4 m long and has a gross tonnage of 61.
Who is recorded as the owner or manager of Zeezwaluw?: Sima Fleet B.V. is recorded as Registered owner for Zeezwaluw (source: ILT — Nederlands vlagregister (Netherlands flag register data)). This source record does not independently confirm today’s ownership or management.
What sanctions and inspection records does Voydar hold for Zeezwaluw?: Voydar has no matched sanctions record displayed for Zeezwaluw 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 Zeezwaluw. 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/8434130

View JSON API documentationFree without a key for occasional use; use an API key for more.

Follow by RSS Open data

Using 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.

See plans