{"schema_version":1,"airport":"4A9","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"dc65fb9c414d","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04/22: pavement now in good condition","source":"APT_RWY","fields":[{"field":"COND","old":"EXCELLENT","new":"GOOD"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"06df27658006","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04: controlling obstacle changed (now 90 ft tall, 1229 ft from threshold, 430 ft right of centerline, clearance slope 11:1); controlling obstacle marking: lighted (L) -> marked (M); controlling obstacle: TREE -> PLINE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"189","new":"430"},{"field":"DIST_FROM_THR","old":"1536","new":"1229"},{"field":"OBSTN_CLNC_SLOPE","old":"21","new":"11"},{"field":"OBSTN_HGT","old":"62","new":"90"},{"field":"OBSTN_MRKD_CODE","old":"L","new":"M"},{"field":"OBSTN_TYPE","old":"TREE","new":"PLINE"}]},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"2276dad07005","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04/22: pavement now in excellent condition","source":"APT_RWY","fields":[{"field":"COND","old":"GOOD","new":"EXCELLENT"}]},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"3d5ce4ecc016","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04: controlling obstacle changed (now 62 ft tall, 1536 ft from threshold, 189 ft right of centerline, clearance slope 21:1); markings now in good condition","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"194","new":"189"},{"field":"DIST_FROM_THR","old":"1528","new":"1536"},{"field":"OBSTN_CLNC_SLOPE","old":"22","new":"21"},{"field":"OBSTN_HGT","old":"60","new":"62"},{"field":"RWY_MARKING_COND","old":"FAIR","new":"GOOD"}]},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"e68bfa479c19","priority":"fyi","category":"runway","kind":"changed","summary":"runway 22: controlling obstacle changed (now , clearance slope 34:1); markings now in good condition; controlling obstacle: TREE -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":""},{"field":"CNTRLN_OFFSET","old":"340","new":""},{"field":"DIST_FROM_THR","old":"2369","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"22","new":"34"},{"field":"OBSTN_HGT","old":"97","new":""},{"field":"OBSTN_TYPE","old":"TREE","new":""},{"field":"RWY_MARKING_COND","old":"FAIR","new":"GOOD"}]}],"first_cycle":"2025-10-30","last_cycle":"2026-09-03"}