If you want some old time navigation there’s this mod Radio Range Navigation » Microsoft Flight Simulator which is actually being built into the upcoming Boeing 247D by Wing42: Upcoming: Wing42 Boeing 247D and here’s a wiki link about the system Low-frequency radio range - Wikipedia
And by the same modder there’s also this CelNav for MSFS - Celestial Navigation Sextant » Microsoft Flight Simulator and also a driftmeter Simple driftmeter for MSFS » Microsoft Flight Simulator