{"schema_version":1,"airport":"3AK0","entries":[{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"66fe5003d441","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 50 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"50"}]}],"first_cycle":"2025-05-15","last_cycle":"2025-05-15"}