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Singapore flag

SS SUMMER — Dive Vessel · MMSI 563083220

SGClass B
World map showing the last known position of SS SUMMER at 1° 14.330' N, 103° 53.294' E
NSEW
Current PositionNo recent signal

SS SUMMER has not broadcast an AIS position for 152 days. Its most recent report placed it in the South China Sea, at 1.2388° N, 103.8882° E, on 10 Apr 2026, 01:29 UTC. It was sailing from SINGAPORE to SINGAPORE ANCH.

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Updated 151 days ago using terrestrial data
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Class B
Current Navigational Status
1.2 kn
Speed
333.0°
/ 511°
Course / Heading
---
Static Draught
---
Current Draught

Voyage Tracker

ATD
23:29 UTCApr 9, 2026
ETA
23:58 UTCApr 9, 2026
SS SUMMER

SS SUMMER

Identity

Dive Vessel
Type
Singapore flagSG
Flag
N/A
IMO Number
563083220
MMSI
N/A
Call Sign

Specifications

N/A
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 SS SUMMER is part of.

Flag State
All SG-flagged vessels
Browse every ship currently registered under the SG flag, with live AIS positions.
Vessel Type
Browse all Dive Vessels
See the global fleet of dive vessels tracked on MarineRadar with live AIS data.
Departure Port
Port of SINGAPORE
Port traffic, arrivals and live vessel positions for SINGAPORE (SGSIN).

About SS SUMMER

Identity · Ownership · Class · Route

SS SUMMER — Dive Vessel

SS SUMMER is a dive vessel registered under the Singapore flag.

SS SUMMER route and voyage history

SS SUMMER is currently on a voyage from SINGAPORE to SINGAPORE ANCH with an estimated arrival on 2026-04-09T23:58:00Z. The live route and current course of SS SUMMER 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 SS SUMMER can be seen in the Similar Vessels section above or in the full dive vessel fleet at /vessel-type/military-special.

Frequently Asked Questions

Where is SS SUMMER right now?+
SS SUMMER has not broadcast an AIS position for 152 days. The most recent broadcast placed it in the South China Sea, on 10 Apr 2026, 01:29 UTC. It was sailing from SINGAPORE to SINGAPORE ANCH. 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 SS SUMMER?+
SS SUMMER broadcasts MMSI 563083220. 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 SS SUMMER?+
SS SUMMER is classified as a dive vessel vessel registered under the SG flag. The vessel-type classification is derived from the AIS Type field broadcast by the ship's transponder; full dive vessel fleet at /vessel-type/military-special and full SG flag list at /flag/sg.
How can I see the live position of SS SUMMER?+
MarineRadar shows the latest AIS broadcast from SS SUMMER 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 SS SUMMER'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 SS SUMMER?+
As a dive vessel, SS SUMMER sits in the same design class as the other dive vessels listed in the Similar Vessels section of the vessel page, or in the full dive vessel directory at /vessel-type/military-special.

SS SUMMER — Key Facts

MMSI
563083220
Vessel type
Dive Vessel
Flag state
SG
Navigation status
Class B
Current speed
1.2 knots
Course over ground
333.0°
Heading
511°
Last known position
1.2388°, 103.8882°
Destination
SINGAPORE ANCH
ETA
2026-04-09T23:58:00Z
Departure port
SINGAPORE
Actual time of departure
2026-04-09T23:29:00Z
AIS last updated
2026-04-10T01:29:00Z