{"schema_version":1,"airport":"4IL9","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"f2f6e9abfc26","priority":"action","category":"runway","kind":"changed","summary":"runway 18/36: length: 2280 -> 2200 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"2280","new":"2200"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"610afd720b04","priority":"action","category":"runway","kind":"changed","summary":"runway 18: displaced threshold elevation: none -> 755 ft MSL; displaced threshold: 140 -> 115 ft; runway end elevation: none -> 755 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"","new":"755"},{"field":"DISPLACED_THR_LEN","old":"140","new":"115"},{"field":"RWY_END_ELEV","old":"","new":"755"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"663bd83bc23f","priority":"action","category":"runway","kind":"changed","summary":"runway 36: displaced threshold elevation: none -> 751 ft MSL; displaced threshold: 530 -> 778 ft; runway end elevation: none -> 751 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"","new":"751"},{"field":"DISPLACED_THR_LEN","old":"530","new":"778"},{"field":"RWY_END_ELEV","old":"","new":"751"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"49a4aad0059a","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: DSPLCD THLD RWYS 18 & 36 ARE MARKED WITH TIRES PAINTED WHITE.","source":"APT_RMK","original":"DSPLCD THLD RWYS 18 & 36 ARE MARKED WITH TIRES PAINTED WHITE.","fields":[{"field":"REMARK","old":"DSPLCD THLDS RYS 18 & 36 ARE MARKED WITH TIRES PAINTED WHITE.","new":"DSPLCD THLD RWYS 18 & 36 ARE MARKED WITH TIRES PAINTED WHITE."}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"b4f31caf4214","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle changed (now ); Part 77 runway category: utility runway with a visual approach (A(V)) -> none; controlling obstacle: CROPS -> none","source":"APT_RWY_END","fields":[{"field":"DIST_FROM_THR","old":"0","new":""},{"field":"FAR_PART_77_CODE","old":"A(V)","new":""},{"field":"OBSTN_HGT","old":"7","new":""},{"field":"OBSTN_TYPE","old":"CROPS","new":""}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"7d794352db6e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: controlling obstacle changed (now ); Part 77 runway category: utility runway with a visual approach (A(V)) -> none; controlling obstacle: BLDG -> none","source":"APT_RWY_END","fields":[{"field":"DIST_FROM_THR","old":"70","new":""},{"field":"FAR_PART_77_CODE","old":"A(V)","new":""},{"field":"OBSTN_HGT","old":"30","new":""},{"field":"OBSTN_TYPE","old":"BLDG","new":""}]}],"first_cycle":"2026-05-14","last_cycle":"2026-09-03"}