{"schema_version":1,"airport":"31TN","entries":[{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"c52b02ae70e8","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 922 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"922"}]}],"first_cycle":"2025-06-12","last_cycle":"2025-06-12"}