Vessel · Flag NL

HNLMS WILLEMSTAD

HNLMS WILLEMSTAD is a vessel (MMSI 245945000, flag NL). Its last AIS position was reported on 16 Oct 2026 at 20:57 UTC in Port of Den Helder. AIS Trail recorded 1 port call in the last 60 days, most recently at Den Helder.

Last position

Position52.96° N, 4.78° EIn Port of Den Helder
Reported20:57 UTC16 Oct 2026
Speed0.0 kn
Course142°

Status: Moored

Position of MMSI 245945000, rounded to 0.01°; see the exact live position and the last 3 days on the live map.

Vessel details

NameHNLMS WILLEMSTAD
IMO number–
MMSI245945000
Call sign–
TypeNot given
FlagNL (from the MMSI country code)
Length × beam–
Highest reported draught–
Estimated deadweight–
Destination as broadcast–
Seen in AIS10 Oct 2026 – 16 Oct 2026 (last 30 days)

Port calls

Port calls detected by AIS Trail in the last 60 days, newest first.

PortArrived (UTC)Departed (UTC)Time in port
Den Helder NLDHR10 Oct 2026, 18:21 UTCNo departure yet–

HNLMS WILLEMSTAD in the API

The full track, every port call and the live position of HNLMS WILLEMSTAD are available through the AIS Trail API. A free key covers the last 7 days of history; paid plans cover the last 12 months, and Pro and Business add live positions.

curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/245945000/track?from=2026-10-10&resolution=1h"
curl -H "Authorization: Bearer $AIS_TRAIL_KEY" \
  "https://api.aistrail.com/v1/vessels/245945000/port-calls?from=2026-10-10"

Sources

  • Live AIS via aisstream.io, provided without warranty. No published terms
  • Port reference: UN/LOCODE, United Nations Economic Commission for Europe (UNECE), https://unlocode.unece.org, license CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Modified: port entries selected, deduplicated and merged with the World Port Index.
  • Port reference: World Port Index (Pub. 150), National Geospatial-Intelligence Agency (NGA).

Flags come from the MMSI country code, deadweight and size class are estimates from AIS dimensions, port calls are detected by AIS Trail from position reports. All sources and licences: Data sources.

Not for navigation. AIS data can be missing, delayed or wrong; do not use it for navigation, collision avoidance, search and rescue or any other safety-of-life purpose.