Oceanic airspace
 

Does anyone know what the consequence of entering the North Atlantic OCA without oceanic clearance is?

Depends if you were filed on a track and FL and went in accordance with that clearance as per the contingency procedures. Or are you talking about rocking through without any clearance/filings at all?

lets say, file a random route and go in without clearance and fly the flight plan route/FL/Mach without deviation. This isn't contingency. You just rocking through without clearance but you do have a flight plan on file

The last radar sector would turn you around unless you have Oceanic clearance.
At least that's my guess.

Or are you saying you lost radio 1-2 radar sectors before the last radar sector?

Or does flight plan on file mean you took off without any IFR clearance?

Deliberately entering the OCA without a valid ATC clearance would surely be a violation of controlled airspace and all that such a violation entails?.

Wasnt it the case that you could enter from NY airspace at planned flight level etc without a clearance due comms difficulties etc?

You may well receive and airborne welcoming committee at the other end, possible regarded as a renegade aircraft. You would be in violation of your flight plan.

no comm failure, no failure of any kind. You take off with an domestic IFR clearance then go oceanic without oceanic clearance. I am just wondering what the consequence is. Monetary fine of the operator (by whom?), or warning letter from NAA, or what?