|Tactical Pilotage Chart Sheet ONC G-4D|
UPDATE: If this story is true, some Su-24s are relying on commercially purchased GPS receivers. If that's true, and given that border, would you trust a store-bought GPS. It was probably saying "recalculating . . ."
Also the Turkish complaint to the UNSC says the intruders spent 17 seconds in Turkish airspace. 17 seconds? Whatever happened to signaling "follow me" and escorting the intruder out of your airspace?