aerospace engineer on Instagram: "🫡🫡🫡Ever wondered how pilots know exactly how far they are from a runway or navigation beacon while cruising miles above the ground? That’s where Distance Measuring Equipment (DME) comes in — one of the unsung heroes of modern navigation! 🔹 DME is a radio-based system that tells pilots the exact distance between the aircraft and a ground station by measuring how long it takes for signals to travel back and forth. 🔹 It works hand-in-hand with VORs (VHF Omnidi