{"schema_version":1,"airport":"MHK","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"ec4831939a09","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Pilots conducting Enhanced Flight Vision Systems operations; be aware Light Emitting Diode Approach Light System in use runway 03.","source":"APT_RMK","original":"PILOTS CONDUCTING EFVS OPS; BE AWARE LED ALS IN USE RWY 03."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"d9b6639797fa","priority":"action","category":"remark","kind":"added","summary":"new remark: RWY 13/31 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS.","source":"APT_RMK","original":"RWY 13/31 NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"ed245789115c","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: RWY 13/31 NA FOR SKED ACR OPS GTR THAN 9 PAX SEATS OR UNSKED ACR AT LEAST 31 PAX SEATS.","source":"APT_RMK","original":"RWY 13/31 NA FOR SKED ACR OPS GTR THAN 9 PAX SEATS OR UNSKED ACR AT LEAST 31 PAX SEATS."},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"4418b5ab3f4d","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 removed","source":"PFR","details":["preferred IFR route MHK -> ORD removed"]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"f691b2581831","priority":"action","category":"remark","kind":"removed","summary":"remark removed: ATCT OPERATED BY MIDWEST ATC SVC.","source":"ATC_RMK","original":"ATCT OPERATED BY MIDWEST ATC SVC."},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"1118f3045026","priority":"fyi","category":"airport","kind":"changed","summary":"bottled oxygen: none -> none; bulk oxygen: none -> none; fuel: dropped automobile gasoline (MOGAS)","source":"APT_BASE","fields":[{"field":"BOTTLED_OXY_TYPE","old":"NONE","new":""},{"field":"BULK_OXY_TYPE","old":"NONE","new":""},{"field":"FUEL_TYPES","old":"100LL,A,MOGAS","new":"100LL,A"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"87fc00d68fda","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: MIGRATORY BIRDS INVOF ARPT MAR-MAY & SEP-NOV.","source":"APT_RMK","original":"MIGRATORY BIRDS INVOF ARPT MAR-MAY & SEP-NOV."},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"ec451273712f","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 24 HR PPR FOR UNSKED ACR GTR THAN 30 PAX SEATS - 785-587-4597.","source":"APT_RMK","original":"24 HR PPR FOR UNSKED ACR GTR THAN 30 PAX SEATS - 785-587-4597.","fields":[{"field":"REMARK","old":"24 HR PPR FOR UNSCHEDULED AIR CARRIER OPS WITH MORE THAN 30 PASSENGER SEATS, CALL AIRPORT ADMINISTRATION 785-587-4597.","new":"24 HR PPR FOR UNSKED ACR GTR THAN 30 PAX SEATS - 785-587-4597."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"3bdc67103da6","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: AFT HR - 785-587-4562.","source":"APT_RMK","original":"AFT HR - 785-587-4562.","fields":[{"field":"REMARK","old":"AFT HRS (2200-0600 CST) CONTACT 785-587-4562.","new":"AFT HR - 785-587-4562."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"8e364256220f","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: AFT HR ACR OPS NA 15 MIN BFR OR AFT SKED ARR OR DEP WO PPR TO CFM; ARFF SVC AVBL BFR LNDG OR TKOF - 785-587-4521.","source":"APT_RMK","original":"AFT HR ACR OPS NA 15 MIN BFR OR AFT SKED ARR OR DEP WO PPR TO CFM; ARFF SVC AVBL BFR LNDG OR TKOF - 785-587-4521.","fields":[{"field":"REMARK","old":"AFT HRS ACR OPS ARE NOT AUTH IN EXCESS OF 15 MINS BFR OR AFT SKED ARR OR DEP TIME WO PRIOR COORDN TO CFM ARFF SERS ARE AVBL PRIOR TO LDG OR TKOF.  CTC MHK ARFF 785-587-4521.","new":"AFT HR ACR OPS NA 15 MIN BFR OR AFT SKED ARR OR DEP WO PPR TO CFM; ARFF SVC AVBL BFR LNDG OR TKOF - 785-587-4521."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"6459951199d0","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: BIRDS INVOF ARPT MAR-MAY & SEP-NOV; WILDLIFE ON & INVOF RWYS.","source":"APT_RMK","original":"BIRDS INVOF ARPT MAR-MAY & SEP-NOV; WILDLIFE ON & INVOF RWYS.","fields":[{"field":"REMARK","old":"COYOTE & DEER ON & INVOF ALL RYS.","new":"BIRDS INVOF ARPT MAR-MAY & SEP-NOV; WILDLIFE ON & INVOF RWYS."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"a64cd48beb42","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: INDEX C EQUIP AVBL UPON REQ.","source":"APT_RMK","original":"INDEX C EQUIP AVBL UPON REQ.","fields":[{"field":"REMARK","old":"INDEX C EQUIPMENT AVLB UPON REQUEST.","new":"INDEX C EQUIP AVBL UPON REQ."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"4d64f6035047","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: MIL ARPT 7 MI SW RESEMBLES THIS ARPT.","source":"APT_RMK","original":"MIL ARPT 7 MI SW RESEMBLES THIS ARPT.","fields":[{"field":"REMARK","old":"MILITARY AIRFIELD 7 MILES SW RESEMBLES THIS ARPT.","new":"MIL ARPT 7 MI SW RESEMBLES THIS ARPT."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"17bc9acb8a7d","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: NONSTD ATC MINIMA APPLIED TO IFR HIGH PERFORMANCE OPS ARR WI CFNS OF R-3602.","source":"APT_RMK","original":"NONSTD ATC MINIMA APPLIED TO IFR HIGH PERFORMANCE OPS ARR WI CFNS OF R-3602.","fields":[{"field":"REMARK","old":"NON-STD ATC MINIMA APPLIED IFR ARVLS WITH RESPECT TO HI-PERFORMANCE-ACFT OPNS CONDUCTED WITHIN CFNS OF R-3602.","new":"NONSTD ATC MINIMA APPLIED TO IFR HIGH PERFORMANCE OPS ARR WI CFNS OF R-3602."}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"9d8f3a546baa","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 13/31 NA FOR SKED ACR OPS GTR THAN 9 PAX SEATS OR UNSKED ACR AT LEAST 31 PAX SEATS.","source":"APT_RMK","original":"RWY 13/31 NA FOR SKED ACR OPS GTR THAN 9 PAX SEATS OR UNSKED ACR AT LEAST 31 PAX SEATS.","fields":[{"field":"REMARK","old":"RWY 13/31 NOT AVBL FOR SCHEDULED ACR OPNS WITH MORE THAN 9 PSGR SEATS OR UNSCHEDULED ACR AT LEAST 31 PSGR SEATS","new":"RWY 13/31 NA FOR SKED ACR OPS GTR THAN 9 PAX SEATS OR UNSKED ACR AT LEAST 31 PAX SEATS."}]},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"dc61b35adebc","priority":"action","category":"frequency","kind":"removed","summary":"frequency 254.35 (APCH/P DEP/P) removed","source":"FRQ"},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"3a8c645e69fc","priority":"action","category":"frequency","kind":"added","summary":"frequency 269.05 (APCH/P DEP/P) added","source":"FRQ"},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"764e96a0bf3c","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 changed","source":"PFR","details":["preferred IFR route MHK -> ORD is now: MHK AGENT J96 IRK BDF9 ORD"]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"2874c1b2e0ee","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03: runway end elevation: 1057.1 -> 1057 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"1057.1","new":"1057"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"3ed38fc4aab5","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: runway end elevation: 1066 -> 1066.1 ft MSL; touchdown zone elevation: 1066 -> 1066.1 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"1066","new":"1066.1"},{"field":"TDZ_ELEV","old":"1066","new":"1066.1"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"9d492ed050f0","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: displaced threshold elevation: 1044.6 -> 1044.7 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"1044.6","new":"1044.7"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"f9ec68c6e347","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: runway end elevation: 1044.6 -> 1051.2 ft MSL; touchdown zone elevation: 1051.1 -> 1051.2 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"1044.6","new":"1051.2"},{"field":"TDZ_ELEV","old":"1051.1","new":"1051.2"}]}],"first_cycle":"2024-10-03","last_cycle":"2026-10-01"}