{"schema_version":1,"airport":"GRD","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"2a836e98c52d","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.5 via the Greenwood outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"c5175c072b59","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: FOR CD CTC GREER APCH AT 864-877-8275, WHEN APCH CLSD CTC ATLANTA ARTCC AT 770-210-7692.","source":"APT_RMK","original":"FOR CD CTC GREER APCH AT 864-877-8275, WHEN APCH CLSD CTC ATLANTA ARTCC AT 770-210-7692.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC GREER APCH AT 864-877-8275, WHEN APCH CLSD CTC ATLANTA ARTCC AT 770-210-7692.","new":"FOR CD CTC GREER APCH AT 864-877-8275, WHEN APCH CLSD CTC ATLANTA ARTCC AT 770-210-7692."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"ad9cf1237951","priority":"fyi","category":"runway","kind":"changed","summary":"runway 23: controlling obstacle changed (now 66 ft tall, 1472 ft from threshold, 119 ft right of centerline, clearance slope 19:1)","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"18","new":"19"},{"field":"OBSTN_HGT","old":"67","new":"66"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"8f79da0370a2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 27: controlling obstacle changed (now 49 ft tall, 1614 ft from threshold, 71 ft left of centerline, clearance slope 28:1); controlling obstacle: none -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"71"},{"field":"DIST_FROM_THR","old":"","new":"1614"},{"field":"OBSTN_CLNC_SLOPE","old":"34","new":"28"},{"field":"OBSTN_HGT","old":"","new":"49"},{"field":"OBSTN_TYPE","old":"","new":"TREE"}]}],"first_cycle":"2025-05-15","last_cycle":"2026-09-03"}