{"schema_version":1,"airport":"OIC","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"8bd30bc8670e","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 19 - 21:1 SLP TO DTHR.","source":"APT_RMK","original":"RWY 19 - 21:1 SLP TO DTHR.","fields":[{"field":"REMARK","old":"RWY 19 - 50:1 SLP TO DTHR.","new":"RWY 19 - 21:1 SLP TO DTHR."}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"cc22d1fe34b8","priority":"fyi","category":"runway","kind":"changed","summary":"runway 01: controlling obstacle changed (now 16 ft tall, 275 ft from threshold, 102 ft right of centerline, clearance slope 4:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"18","new":"102"},{"field":"DIST_FROM_THR","old":"502","new":"275"},{"field":"OBSTN_CLNC_SLOPE","old":"7","new":"4"},{"field":"OBSTN_HGT","old":"41","new":"16"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"6631330c866a","priority":"fyi","category":"runway","kind":"changed","summary":"runway 19: controlling obstacle changed (now 29 ft tall, 301 ft from threshold, 147 ft left of centerline, clearance slope 3:1); controlling obstacle: ROAD -> TREES","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"134","new":"147"},{"field":"OBSTN_CLNC_SLOPE","old":"5","new":"3"},{"field":"OBSTN_HGT","old":"19","new":"29"},{"field":"OBSTN_TYPE","old":"ROAD","new":"TREES"}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"fe9784221e40","priority":"fyi","category":"runway","kind":"changed","summary":"runway 01: displaced threshold elevation: 1011 -> 1010.9 ft MSL; runway end elevation: 1009 -> 1008.9 ft MSL; touchdown zone elevation: 1022.8 -> 1022.7 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"1011","new":"1010.9"},{"field":"RWY_END_ELEV","old":"1009","new":"1008.9"},{"field":"TDZ_ELEV","old":"1022.8","new":"1022.7"}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"79ab78adffe7","priority":"fyi","category":"runway","kind":"changed","summary":"runway 19: runway end elevation: 1024.2 -> 1024.1 ft MSL; touchdown zone elevation: 1023.7 -> 1023.6 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"1024.2","new":"1024.1"},{"field":"TDZ_ELEV","old":"1023.7","new":"1023.6"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"b1619a6b4ae3","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): none -> -24C","source":"APT_BASE","fields":[{"field":"CTA","old":"","new":"-24C"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"4321d9a59099","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Cold temperature airport; altitude correction required at or below -24C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -24C."}],"first_cycle":"2024-09-05","last_cycle":"2026-09-03"}