{"schema_version":1,"airport":"JOT","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"3c412776e32e","priority":"fyi","category":"navaid","kind":"changed","summary":"JOT (Joliet) navaid: simultaneous voice: yes -> no; voice call: KANKAKEE RADIO -> NONE","source":"NAV_BASE","fields":[{"field":"SIMUL_VOICE_FLAG","old":"Y","new":"N"},{"field":"VOICE_CALL","old":"KANKAKEE RADIO","new":"NONE"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"7826f5a88b3f","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.1R via the Joliet outlet no longer available","source":"FRQ"},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"a5fa1a098f7a","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: APCH RATIO 16:1 TO DTHR. +51 RT TREE, DIST 827 FT, 45 RT L, APPROACH SLOPE 16:1 TO DISLACE THHD.","source":"APT_RMK","original":"APCH RATIO 16:1 TO DTHR. +51 RT TREE, DIST 827 FT, 45 RT L, APPROACH SLOPE 16:1 TO DISLACE THHD.","fields":[{"field":"REMARK","old":"APCH RATIO 16:1 TO DTHR.","new":"APCH RATIO 16:1 TO DTHR. +51 RT TREE, DIST 827 FT, 45 RT L, APPROACH SLOPE 16:1 TO DISLACE THHD."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"39244e237707","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: APCH RATIO 18:1 TO DTHR.","source":"APT_RMK","original":"APCH RATIO 18:1 TO DTHR.","fields":[{"field":"REMARK","old":"APCH RATIO 13:1 TO DTHR.","new":"APCH RATIO 18:1 TO DTHR."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"1af47f9fd8e2","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 04 /22 MKD WITH TIRES PAINTED WHITE; THLD MKD WITH WHITE GRAVEL. RWY 13/31 MARKINGS FADED.","source":"APT_RMK","original":"RWY 04 /22 MKD WITH TIRES PAINTED WHITE; THLD MKD WITH WHITE GRAVEL. RWY 13/31 MARKINGS FADED.","fields":[{"field":"REMARK","old":"RWY 04 /22 MKD WITH TIRES PAINTED WHITE; THLD MKD WITH WHITE GRAVEL.","new":"RWY 04 /22 MKD WITH TIRES PAINTED WHITE; THLD MKD WITH WHITE GRAVEL. RWY 13/31 MARKINGS FADED."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"5cbb410eac1f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: controlling obstacle changed (now 21 ft tall, 373 ft from threshold, 0 ft either side of centerline, clearance slope 8:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":"B"},{"field":"CNTRLN_OFFSET","old":"100","new":"0"},{"field":"DIST_FROM_THR","old":"605","new":"373"},{"field":"OBSTN_CLNC_SLOPE","old":"9","new":"8"},{"field":"OBSTN_HGT","old":"44","new":"21"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"3904c08ab7d4","priority":"fyi","category":"runway","kind":"changed","summary":"runway 22: controlling obstacle changed (now 89 ft tall, 1283 ft from threshold, 40 ft right of centerline, clearance slope 14:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"145","new":"40"},{"field":"DIST_FROM_THR","old":"673","new":"1283"},{"field":"OBSTN_CLNC_SLOPE","old":"12","new":"14"},{"field":"OBSTN_HGT","old":"52","new":"89"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"ce6500c3ed5e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: controlling obstacle changed (now 51 ft tall, 839 ft from threshold, 30 ft left of centerline, clearance slope 12:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"1158","new":"30"},{"field":"DIST_FROM_THR","old":"690","new":"839"},{"field":"OBSTN_CLNC_SLOPE","old":"8","new":"12"},{"field":"OBSTN_HGT","old":"58","new":"51"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"8881e46564cd","priority":"action","category":"navaid","kind":"changed","summary":"JOT (Joliet) navaid: status: operational ifr","source":"NAV_BASE","fields":[{"field":"TACAN_DME_STATUS","old":"","new":"OPERATIONAL IFR"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"65ae879478b0","priority":"fyi","category":"navaid","kind":"changed","summary":"JOT navaid: remark: VOR UNUSBL 072-090 BYD 34 NM BLW 3000 FT. -> VOR UNUSBL 072-090 BYD 34 NM BLW 3000 FT; 130-175 BYD 40 NM; 185-190 BYD 40 NM; 230-240 BYD 40 NM BLW 18000 FT; 230-240 BYD 43 NM; 345-060 BYD 40 NM.","source":"NAV_RMK","fields":[{"field":"REMARK","old":"VOR UNUSBL 072-090 BYD 34 NM BLW 3000 FT.","new":"VOR UNUSBL 072-090 BYD 34 NM BLW 3000 FT; 130-175 BYD 40 NM; 185-190 BYD 40 NM; 230-240 BYD 40 NM BLW 18000 FT; 230-240 BYD 43 NM; 345-060 BYD 40 NM."}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"c16a866ae50a","priority":"fyi","category":"navaid","kind":"changed","summary":"JOT navaid: remark: VOR UNUSBL 030-040 BYD 25 NM. -> VOR UNUSBL 072-090 BYD 34 NM BLW 3000 FT.","source":"NAV_RMK","fields":[{"field":"REMARK","old":"VOR UNUSBL 030-040 BYD 25 NM.","new":"VOR UNUSBL 072-090 BYD 34 NM BLW 3000 FT."}]}],"first_cycle":"2024-09-05","last_cycle":"2026-09-03"}