{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"2IS1","counts":{"action":1,"ifr":0,"fyi":3},"changes":[{"id":"60ce07e5fa66","priority":"action","category":"frequency","kind":"added","summary":"new frequency 122.9 (CTAF)","source":"FRQ","fields":[{"field":"FACILITY","old":"","new":"2IS1"},{"field":"FAC_NAME","old":"","new":"CARLE HEALTH - PROCTOR"},{"field":"FACILITY_TYPE","old":"","new":"NON-ATCT"},{"field":"SERVICED_FACILITY","old":"","new":"2IS1"},{"field":"SERVICED_FAC_NAME","old":"","new":"CARLE HEALTH - PROCTOR"},{"field":"SERVICED_SITE_TYPE","old":"","new":"HELIPORT"},{"field":"SERVICED_CITY","old":"","new":"PEORIA"},{"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":"051ca5621231","priority":"fyi","category":"airport","kind":"changed","summary":"distance from the city's business district: 0 -> 4","source":"APT_BASE","fields":[{"field":"DIST_CITY_TO_AIRPORT","old":"0","new":"4"}]},{"id":"e0f40e4241f9","priority":"fyi","category":"runway","kind":"changed","summary":"helipad H1: length: 250 -> 50 ft; width: 80 -> 50 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"250","new":"50"},{"field":"RWY_WIDTH","old":"80","new":"50"}]},{"id":"43cdf44cadc5","priority":"fyi","category":"runway","kind":"changed","summary":"helipad H1: runway end elevation: 640 -> 645 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"640","new":"645"}]}]}