{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"LL39","counts":{"action":2,"ifr":0,"fyi":5},"changes":[{"id":"0cb53d734f40","priority":"action","category":"frequency","kind":"added","summary":"new frequency 122.9 (CTAF)","source":"FRQ","fields":[{"field":"FACILITY","old":"","new":"LL39"},{"field":"FAC_NAME","old":"","new":"CURANDA"},{"field":"FACILITY_TYPE","old":"","new":"NON-ATCT"},{"field":"SERVICED_FACILITY","old":"","new":"LL39"},{"field":"SERVICED_FAC_NAME","old":"","new":"CURANDA"},{"field":"SERVICED_SITE_TYPE","old":"","new":"AIRPORT"},{"field":"SERVICED_CITY","old":"","new":"MORRIS"},{"field":"SERVICED_STATE","old":"","new":"IL"},{"field":"SERVICED_COUNTRY","old":"","new":"US"},{"field":"FREQ","old":"","new":"122.9"},{"field":"FREQ_USE","old":"","new":"CTAF"}]},{"id":"79586bd3e273","priority":"action","category":"runway","kind":"changed","summary":"runway 09/27: length: 2100 -> 2200 ft; width: 70 -> 100 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"2100","new":"2200"},{"field":"RWY_WIDTH","old":"70","new":"100"}]},{"id":"cbd46fb0dc80","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager address: 3220 W. WAUPECAN RD -> 3220 W WAUPECAN RD; airport manager zip+4: none -> 8127","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"3220 W. WAUPECAN RD","new":"3220 W WAUPECAN RD"},{"field":"ZIP_PLUS_FOUR","old":"","new":"8127"}]},{"id":"327cfcbf629c","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner address: 3220 W. WAUPECAN RD -> 3220 W WAUPECAN RD; airport owner zip+4: none -> 8127","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"3220 W. WAUPECAN RD","new":"3220 W WAUPECAN RD"},{"field":"ZIP_PLUS_FOUR","old":"","new":"8127"}]},{"id":"90faded07b30","priority":"fyi","category":"airport","kind":"changed","summary":"direction from the city's business district: S -> SSW","source":"APT_BASE","fields":[{"field":"DIRECTION_CODE","old":"S","new":"SSW"}]},{"id":"b6dfde8c44b9","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09: controlling obstacle: 20 ft tall, 50 ft from threshold -> none listed; obstacle clearance slope: none -> 20:1; runway end elevation: none -> 614 ft MSL; true alignment: none -> 88°","source":"APT_RWY_END","fields":[{"field":"DIST_FROM_THR","old":"50","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"","new":"20"},{"field":"OBSTN_HGT","old":"20","new":""},{"field":"RWY_END_ELEV","old":"","new":"614"},{"field":"TRUE_ALIGNMENT","old":"","new":"88"}]},{"id":"90a53274928c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 27: obstacle clearance slope: none -> 20:1; runway end elevation: none -> 599 ft MSL; true alignment: none -> 268°","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"","new":"20"},{"field":"RWY_END_ELEV","old":"","new":"599"},{"field":"TRUE_ALIGNMENT","old":"","new":"268"}]}]}