Non OTS NAT HLA comms

[divinehover]

When operating within the NAT HLA but NOT via the OTS is ADS/CPDLC required? Can an aircraft enter the NAT HLA without a serviceable ADS/CPDLC with any penalty? Is Phase 2B of the North Atlantic Data Link Mandate (NAT DLM) going to influence this?

[SR-22]

No not yet. And yes you can without any problems unless you plan to fly via or through the OTS at FL350-360-370-380-390

[divinehover]

Thanks, reading the guidence material is causing my eyes to bleed