{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"C16","counts":{"action":0,"ifr":0,"fyi":7},"changes":[{"id":"b08678880360","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager address: 1402 E ARPT RD -> 1402 E AIRPORT RD","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"1402 E ARPT RD","new":"1402 E AIRPORT RD"}]},{"id":"05480efe97e8","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner address: 1402 E AIRPORT ROAD -> 1402 E AIRPORT RD; airport owner: Frasca Air Service Inc -> C16 Aviation; airport owner zip code: 61801 -> 61802; airport owner zip+4: none -> 7428","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"1402 E AIRPORT ROAD","new":"1402 E AIRPORT RD"},{"field":"NAME","old":"FRASCA AIR SERVICE INC","new":"C16 AVIATION"},{"field":"ZIP_CODE","old":"61801","new":"61802"},{"field":"ZIP_PLUS_FOUR","old":"","new":"7428"}]},{"id":"784591fb16b5","priority":"fyi","category":"remark","kind":"added","summary":"new runway 09 marking condition remark: markings faded","source":"APT_RMK","original":"MARKINGS FADED"},{"id":"a269437be6c3","priority":"fyi","category":"remark","kind":"added","summary":"new runway 27 marking condition remark: markings faded","source":"APT_RMK","original":"MARKINGS FADED"},{"id":"940e439e1e25","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: TFRASCA@C16AVIATION.COM.","source":"APT_RMK","original":"TFRASCA@C16AVIATION.COM.","fields":[{"field":"REMARK","old":"EMAIL ADDRESS: TFRASCA@FRASCA.COM (ALL LOWER CASE)","new":"TFRASCA@C16AVIATION.COM."}]},{"id":"59e0e2143107","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09: controlling obstacle: none listed -> TREE 31 ft tall, 830 ft from threshold, 100 ft right of centerline; marking condition: fair -> poor","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"R"},{"field":"CNTRLN_OFFSET","old":"","new":"100"},{"field":"DIST_FROM_THR","old":"","new":"830"},{"field":"OBSTN_HGT","old":"","new":"31"},{"field":"OBSTN_TYPE","old":"","new":"TREE"},{"field":"RWY_MARKING_COND","old":"FAIR","new":"POOR"}]},{"id":"b6a8f4deb059","priority":"fyi","category":"runway","kind":"changed","summary":"runway 27: controlling obstacle: none listed -> POLE 34 ft tall, 1037 ft from threshold, 199 ft left of centerline; obstacle clearance slope: 20:1 -> 24:1; marking condition: fair -> poor","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"199"},{"field":"DIST_FROM_THR","old":"","new":"1037"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"24"},{"field":"OBSTN_HGT","old":"","new":"34"},{"field":"OBSTN_TYPE","old":"","new":"POLE"},{"field":"RWY_MARKING_COND","old":"FAIR","new":"POOR"}]}]}