AIS konumları genellikle birkaç metre hassasiyetle doğrudur. Hareket halindeki gemiler için güncellemeler 2–10 saniyede bir yapılır. Açık denizdeki gemilerde uydu AIS kapsama boşlukları nedeniyle güncellemeler daha seyrek olabilir.
JOHN SPENCE is a Offshore Tug/Supply Ship . Built in 1972. The vessel has a gross tonnage of 747 GT and a deadweight of 850 DWT. Length overall: 51 m, beam: 10 m.
The vessel's IMO number is 7218735 — a permanent identifier assigned for the lifetime of the ship. The MMSI number 316002180 is used for real-time AIS radio identification.
Use the live map above to track the current position of JOHN SPENCE on an interactive AIS chart, including speed, heading, destination and estimated time of arrival (ETA). To browse more Offshore Tug/Supply Ship ships , use the links above.