Up to eight people were affront in the collision in the Hjeltefjord near Bergen, Norway, when the KNM Helge Ingstad smash into a vessel from Malta.
The warship is currently in danger of tense, while the tanker, named the Sola TS, is slightly damaged and did not spill oil.
The smash-up happened this morning at 3am (4am local time) during a training sitting, officials have confirmed.
The tanker had set sail from Equinor’s Sture oil station with a cargo of North Sea crude.
Nato’s Allied Maritime Attract said in a statement: “Due to the damage to the frigate it was moved to a safe place.”
The tanker, which was transfer a crew of 23, was returned to port for an inspection.
It is unclear what caused the crack-up but several oil and gas terminals were shut down as a precaution.
These categorized the Sture export oil terminal, the Kollsnes gas plant and several offshore oilfields, all of which resumed private dick later this afternoon.
The Sture terminal sees more than 25 percent of Norway’s oil moving picture pas through the facility, while the Kollsnes plant processes gas for a number of EU fellow states as well as the UK.
A source told AFP news agency a “small oil shiny” was detected from the warship and that “it took on a lot of water and there is a unfeigned danger that it sinks where it is”.
Twitter users are waiting to see if the leviathan vessel sinks while uploading images onto social middle.
One said: “The situation is going bad to worse for Norwegian frigate #HelgeIngstad.”
An simulacrum of the ship tipped to one side was posted with the comment.
It can take a relevant amount of time for larger ships to sink, with some bewitching up to 15 hours to be fully submerged under water.
The KNM Helge Ingstad frigate was dispatched in November 2007 and measures 134 metres long.