{"schema_version":1,"airport":"BCK","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"5808ccfd56bf","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.5 via the Black River Falls outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"b2f6fb004d75","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: For clearance contact MINNEAPOLIS ARTCC at 651-463-5588.","source":"APT_RMK","original":"FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC MINNEAPOLIS ARTCC AT 651-463-5588.","new":"FOR CD CTC MINNEAPOLIS ARTCC AT 651-463-5588."}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"a853bf2b415e","priority":"action","category":"remark","kind":"changed","summary":"remark updated: ACTVT REIL RWY 08 & 26; PAPI RWY 08 & 26; MIRL RWY 08/26 - CTAF. SS-SR MIRL RWY 08/26 PRESET TO LOW INTST; INCR INTST - CTAF.","source":"APT_RMK","original":"ACTVT REIL RWY 08 & 26; PAPI RWY 08 & 26; MIRL RWY 08/26 - CTAF. SS-SR MIRL RWY 08/26 PRESET TO LOW INTST; INCR INTST - CTAF.","fields":[{"field":"REMARK","old":"MIRL RWY 08/26 PRESET TO LOW SS-SR; TO INCR INTST &  ACTVT  REIL RWYS 08 & 26;  PAPI RWYS 08 & 26  - CTAF.","new":"ACTVT REIL RWY 08 & 26; PAPI RWY 08 & 26; MIRL RWY 08/26 - CTAF. SS-SR MIRL RWY 08/26 PRESET TO LOW INTST; INCR INTST - CTAF."}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"9519afae6e41","priority":"action","category":"frequency","kind":"changed","summary":"remark: MIRL RWY 08/26 PRESET TO LOW SS-SR; TO INCR INTST &  ACTVT  REIL RWYS 08 & 26;  PAPI RWYS 08 & 26  - CTAF. -> ACTVT REIL RWY 08 & 26; PAPI RWY 08 & 26; MIRL RWY 08/26 - CTAF. SS-SR MIRL RWY 08/26 PRESET TO LOW INTST; INCR INTST - CTAF.","source":"FRQ","fields":[{"field":"REMARK","old":"MIRL RWY 08/26 PRESET TO LOW SS-SR; TO INCR INTST &  ACTVT  REIL RWYS 08 & 26;  PAPI RWYS 08 & 26  - CTAF.","new":"ACTVT REIL RWY 08 & 26; PAPI RWY 08 & 26; MIRL RWY 08/26 - CTAF. SS-SR MIRL RWY 08/26 PRESET TO LOW INTST; INCR INTST - CTAF."}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"82ee42c0aa06","priority":"fyi","category":"airport","kind":"changed","summary":"airframe repair: none -> none; bottled oxygen: none -> none; bulk oxygen: none -> none; fuel: added Jet A, kerosene, with FS-II (A+); dropped Jet A, kerosene, without FS-II (A); engine repair: none -> none","source":"APT_BASE","fields":[{"field":"AIRFRAME_REPAIR_SER_CODE","old":"NONE","new":""},{"field":"BOTTLED_OXY_TYPE","old":"NONE","new":""},{"field":"BULK_OXY_TYPE","old":"NONE","new":""},{"field":"FUEL_TYPES","old":"100LL,A","new":"100LL,A+"},{"field":"PWR_PLANT_REPAIR_SER","old":"NONE","new":""}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"cb38a20c2b05","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: SELF SVC H24 WITH CREDIT CARD.","source":"APT_RMK","original":"SELF SVC H24 WITH CREDIT CARD.","fields":[{"field":"REMARK","old":"24 HOUR SELF-SVC.","new":"SELF SVC H24 WITH CREDIT CARD."}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"e6e2a2df0a9c","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: There are birds and wildlife on and in the vicinity of the airport.","source":"APT_RMK","original":"BIRDS & WILDLIFE ON & INVOF ARPT.","fields":[{"field":"REMARK","old":"WILDLIFE, BIRDS ON & INVOF ARPT.","new":"BIRDS & WILDLIFE ON & INVOF ARPT."}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"7feee74c5861","priority":"fyi","category":"runway","kind":"changed","summary":"runway 08: controlling obstacle changed (now 25 ft tall, 340 ft from threshold, 235 ft left of centerline, clearance slope 5:1); controlling obstacle: TREES -> TREE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"254","new":"235"},{"field":"OBSTN_HGT","old":"24","new":"25"},{"field":"OBSTN_TYPE","old":"TREES","new":"TREE"}]},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"e69b48f90583","priority":"fyi","category":"runway","kind":"changed","summary":"runway 26: controlling obstacle changed (now 43 ft tall, 1510 ft from threshold, 160 ft right of centerline, clearance slope 30:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"260","new":"160"},{"field":"DIST_FROM_THR","old":"1526","new":"1510"},{"field":"OBSTN_CLNC_SLOPE","old":"26","new":"30"},{"field":"OBSTN_HGT","old":"51","new":"43"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"71879f727436","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: VGSI AND RNAV GLIDEPATH NOT COINCIDENT.","source":"APT_RMK","original":"VGSI AND RNAV GLIDEPATH NOT COINCIDENT."},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"f1d3d195a8eb","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 24 HOUR SELF-SVC.","source":"APT_RMK","original":"24 HOUR SELF-SVC.","fields":[{"field":"REMARK","old":"24 HOUR SELF-SERVE","new":"24 HOUR SELF-SVC."}]},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"4ded128609ab","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 920-960-1519; name changed: Dale Klevgard -> Frank Voge","source":"APT_CON","fields":[{"field":"NAME","old":"DALE KLEVGARD","new":"FRANK VOGE"},{"field":"PHONE_NO","old":"(715) 896-9434","new":"920-960-1519"}]}],"first_cycle":"2025-04-17","last_cycle":"2026-09-03"}