Bh the way, I was from ND, and never once, set foot in Montana 😁
Now, TERPS=Terminal Instrument Procedures, to include MSA within 100 NM, MVAC, MSAW, SIDs, STARs, TACAN, VOR, VOR-DME, RNAV, Cat 1and 2 ILS. I believe that about covers it. Any questions? 😁😂🙃