An audio file, recorded by Greenpeace, documents the radio exchange between Russian coastguard vessel 058 and the Prirazlomnaya oil rig on September 18, 2013.

IN RUSSIAN:

00:00 – 00:10
CG: Prilazlomnaya? This is the coastguard ship. Over
PR: Coast guard, this is Prirazomnaya.
CG: Good morning.
PR: Good morning, I read you.
00:10 – 00:22
CG: Tell me what the situation is.
PR: The situation is normal. We’re working. The helicopter landed. Observing your work on channel 16.
00:22 – 00:43
CG: Ok. Since you have requested assistance, we are taking all measures up to and including firing warning shots towards the vessel that attempted to capture you. Both artillery fire and small arms fire.
00:43 – 00:59
CG: My request to you, in case they want to launch boats, although I’m doubtful they will, is to ready your fire hoses and water cannons and so on and correct as much as you can. Over.
00:59 – 01:21
PR: Coast guard ship this is Prirazolmnaya. That is clear, I copy. Your information is received and will be carried out. We’re observing, monitoring channel 72 and 16. In case of any possible unsanctioned penetration you will get a report.
ENDS