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United States flag

HOLDFAST IV — Sailing Vessel · MMSI 338306261

USUnder way sailing
World map showing the last known position of HOLDFAST IV at 48° 26.040' N, 122° 48.483' W
NSEW
Current PositionNo recent signal

HOLDFAST IV has not broadcast an AIS position for 8 days. Its most recent report placed it in the North Pacific Ocean, at 48.4340° N, 122.8080° W, on 31 Aug 2026, 19:50 UTC. It was sailing from PORT TOWNSEND to EVERETT.

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Updated 8 days ago using terrestrial data
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Under way sailing
Current Navigational Status
2.2 kn
Speed
263.0°
/ 345°
Course / Heading
2.4 m
Static Draught
2.4 m
Current Draught

Voyage Tracker

ATD
16:09 UTCAug 31, 2026
United States flag
EVERETTUSPAE
ETA
19:36 UTCAug 31, 2026
HOLDFAST IV

HOLDFAST IV

Identity

Sailing Vessel
Type
United States flagUS
Flag
N/A
IMO Number
338306261
MMSI
?
Call Sign

Specifications

15 m × 4 m
Length × Breadth
N/A
Year Built
N/A
Deadweight
N/A
Gross Tonnage
N/A
Engine Power
N/A
Builder
N/A
Class Society
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Dive into the fleet, port, and flag state that HOLDFAST IV is part of.

Flag State
All US-flagged vessels
Browse every ship currently registered under the US flag, with live AIS positions.
Vessel Type
Browse all Sailing Vessels
See the global fleet of sailing vessels tracked on MarineRadar with live AIS data.
Departure Port
Port of PORT TOWNSEND
Port traffic, arrivals and live vessel positions for PORT TOWNSEND (USTWD).
Destination Port
Port of EVERETT
Arrivals, berth specifications, and live vessel traffic for EVERETT (USPAE).

About HOLDFAST IV

Identity · Ownership · Class · Route

HOLDFAST IV — Sailing Vessel

HOLDFAST IV is a sailing vessel registered under the United States of America flag.

HOLDFAST IV route and voyage history

HOLDFAST IV is currently on a voyage from PORT TOWNSEND to EVERETT with an estimated arrival on 2026-08-31T19:36:00Z. The live route and current course of HOLDFAST IV are shown on the bridge map above, updated whenever the vessel is in range of a coastal AIS receiver or a satellite pass.

Vessel class and identifiers

Vessels in the same class as HOLDFAST IV can be seen in the Similar Vessels section above or in the full sailing vessel fleet at /vessel-type/yacht.

Frequently Asked Questions

Where is HOLDFAST IV right now?+
HOLDFAST IV has not broadcast an AIS position for 8 days. The most recent broadcast placed it in the North Pacific Ocean, on 31 Aug 2026, 19:50 UTC. It was sailing from PORT TOWNSEND to EVERETT. Vessels stop appearing on terrestrial AIS when they move beyond receiver range, so a gap does not necessarily mean the vessel is inactive.
What are the identifiers for HOLDFAST IV?+
HOLDFAST IV broadcasts MMSI 338306261, with call sign ?. The MMSI is the radio identifier used by AIS; the IMO number stays with the ship for life and does not change with re-flagging or sale.
What type of ship is HOLDFAST IV?+
HOLDFAST IV is classified as a sailing vessel vessel registered under the US flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full sailing vessel fleet at /vessel-type/yacht and full US flag list at /flag/us.
How can I see the live position of HOLDFAST IV?+
MarineRadar shows the latest AIS broadcast from HOLDFAST IV above, with current position, course, speed, and navigation status. Tap "View on map" to centre the live tracker on the vessel and watch its movement update in real time. The same data is available offline-friendly in the iOS and Android apps.
How often is HOLDFAST IV's position updated?+
AIS transponders broadcast position every 2 seconds when underway at high speed and up to every 3 minutes at anchor. The position you see refreshes whenever the ship is in range of a coastal AIS receiver or a satellite pass — typically seconds in coastal waters and minutes offshore.
What class is HOLDFAST IV?+
As a sailing vessel, HOLDFAST IV sits in the same design class as the other sailing vessels listed in the Similar Vessels section of the vessel page, or in the full sailing vessel directory at /vessel-type/yacht.

HOLDFAST IV — Key Facts

MMSI
338306261
Call sign
?
Vessel type
Sailing Vessel
Flag state
US
Navigation status
Under way sailing
Current speed
2.2 knots
Course over ground
263.0°
Heading
345°
Last known position
48.4340°, -122.8080°
Destination
EVERETT
ETA
2026-08-31T19:36:00Z
Departure port
PORT TOWNSEND
Actual time of departure
2026-08-31T16:09:00Z
Current draught
2.4 m
Maximum static draught
2.4 m
AIS last updated
2026-08-31T19:50:00Z