{"schema_version":1,"airport":"51SC","entries":[{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"c321391e4ab9","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: markings: nonstandard (other than numbers only) (NSTD) -> basic (BSC)","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_TYPE_CODE","old":"NSTD","new":"BSC"}]}],"first_cycle":"2025-05-15","last_cycle":"2025-05-15"}