{"schema_version":1,"airport":"COU","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"5459cbe173fd","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: For clearance delivery when the tower is closed, contact Mizzou approach at 417-868-5620/5619.","source":"APT_RMK","original":"FOR CD WHEN ATCT CLSD CTC MIZZOU APCH AT 417-868-5620/5619.","fields":[{"field":"REMARK","old":"FOR CD CTC MIZZOU APCH AT 417-868-5620/5619.","new":"FOR CD WHEN ATCT CLSD CTC MIZZOU APCH AT 417-868-5620/5619."}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"05129fa1b0a4","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 02 redrawn (still amdt 18B)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 02","amdt":"18B","pdf":"https://aeronav.faa.gov/d-tpp/2609/05595IL2.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"723b92a96444","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR RWY 13 redrawn (still amdt 4A)","source":"D-TPP","chart":{"code":"IAP","name":"VOR RWY 13","amdt":"4A","pdf":"https://aeronav.faa.gov/d-tpp/2609/05595V13.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"7a42e667cbed","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR Y RWY 20 redrawn (still amdt 5)","source":"D-TPP","chart":{"code":"IAP","name":"VOR Y RWY 20","amdt":"5","pdf":"https://aeronav.faa.gov/d-tpp/2609/05595VY20.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"dfa73cfb5c84","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR Z RWY 20 redrawn (still amdt 6)","source":"D-TPP","chart":{"code":"IAP","name":"VOR Z RWY 20","amdt":"6","pdf":"https://aeronav.faa.gov/d-tpp/2609/05595VZ20.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"60564c591d51","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.6 via the Columbia outlet no longer available","source":"FRQ"},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"96cbafbf7a87","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 02 amended (amdt 3A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 02","amdt":"3A","pdf":"https://aeronav.faa.gov/d-tpp/2608/05595R2.PDF"}},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"81f7720eee9b","priority":"action","category":"remark","kind":"changed","summary":"remark updated: 48 HRS PPR FOR UNSKED ACR OPNS WITH MORE THAN 30 PSGR SEATS; CALL SAFETY OFFICE (573) 817-5063 OR (573) 817-5062 ARFF INDEX C AVBL UPON REQUEST.","source":"APT_RMK","original":"48 HRS PPR FOR UNSKED ACR OPNS WITH MORE THAN 30 PSGR SEATS; CALL SAFETY OFFICE (573) 817-5063 OR (573) 817-5062 ARFF INDEX C AVBL UPON REQUEST.","fields":[{"field":"REMARK","old":"48 HRS PPR FOR UNSKED ACR OPNS WITH MORE THAN 30 PSGR SEATS; CALL SAFETY OFFICE (573) 817-5063 OR (573) 817-5064. ARFF INDEX C AVBL UPON REQUEST.","new":"48 HRS PPR FOR UNSKED ACR OPNS WITH MORE THAN 30 PSGR SEATS; CALL SAFETY OFFICE (573) 817-5063 OR (573) 817-5062 ARFF INDEX C AVBL UPON REQUEST."}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"8f0bad437c15","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 573-817-5063","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"(573) 817-5064","new":"573-817-5063"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"ee76b1442b58","priority":"fyi","category":"runway","kind":"changed","summary":"runway 02: declared distances changed: takeoff run available (TORA) none -> 7,401 ft; takeoff distance available (TODA) none -> 7,401 ft; accelerate-stop distance available (ASDA) none -> 7,401 ft; landing distance available (LDA) none -> 7,401 ft","source":"APT_RWY_END","fields":[{"field":"ACLT_STOP_DIST_AVBL","old":"","new":"7401"},{"field":"LNDG_DIST_AVBL","old":"","new":"7401"},{"field":"TKOF_DIST_AVBL","old":"","new":"7401"},{"field":"TKOF_RUN_AVBL","old":"","new":"7401"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"001707b10294","priority":"fyi","category":"runway","kind":"changed","summary":"runway 20: declared distances changed: takeoff run available (TORA) none -> 7,401 ft; takeoff distance available (TODA) none -> 7,401 ft; accelerate-stop distance available (ASDA) none -> 7,401 ft; landing distance available (LDA) none -> 7,401 ft","source":"APT_RWY_END","fields":[{"field":"ACLT_STOP_DIST_AVBL","old":"","new":"7401"},{"field":"LNDG_DIST_AVBL","old":"","new":"7401"},{"field":"TKOF_DIST_AVBL","old":"","new":"7401"},{"field":"TKOF_RUN_AVBL","old":"","new":"7401"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"73bee0c3ebd4","priority":"action","category":"weather","kind":"changed","summary":"AWOS/ASOS phone number changed to 573-488-3025","source":"AWOS","fields":[{"field":"PHONE_NO","old":"573-499-1400","new":"573-488-3025"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"d8e9e912dca0","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 removed","source":"PFR","details":["preferred IFR route COU -> ORD removed"]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"cc2c02fea45c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 13: runway end elevation: 888.2 -> 888.1 ft MSL; touchdown zone elevation: 888.2 -> 888.1 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"888.2","new":"888.1"},{"field":"TDZ_ELEV","old":"888.2","new":"888.1"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"4dd69463478a","priority":"fyi","category":"runway","kind":"changed","summary":"runway 20: runway end elevation: 886.1 -> 886 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"886.1","new":"886"}]},{"cycle":"2025-03-20","from_cycle":"2025-02-20","id":"e30ab48d1ca3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: touchdown zone elevation: 886.4 -> 886.2 ft MSL","source":"APT_RWY_END","fields":[{"field":"TDZ_ELEV","old":"886.4","new":"886.2"}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"575c3378cfd0","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 changed","source":"PFR","details":["preferred IFR route COU -> ORD is now: COU WELTS BDF9 ORD"]}],"first_cycle":"2024-12-26","last_cycle":"2026-10-01"}