You raise an interesting point. My question would be what were the avionics suites installed in each aircraft, who manufactured them, when were they installed and who installed them?
When the facts are verified, I'm going to bet that the Blackhawk's instruments were Raytheon, and the airliner's instruments were Garmin. My follow-up question would be to Space Force asking what the condition and status of the GPS constellation was at the time of the crash and the identity of the operator in charge of that console.