{"schema_version":1,"airport":"WYS","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"8a35f2fa87f1","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 01 amended (amdt 4C): S-ILS 1 6849 now 6869, minimum 7780 now 7880","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 01","amdt":"4C","pdf":"https://aeronav.faa.gov/d-tpp/2609/00632IL1.PDF"},"details":["minimums on the plate: S-ILS 1 6849 -> 6869","minimums on the plate: minimum 7780 -> 7880"]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"fa9bbd641e58","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -20C -> -19C","source":"APT_BASE","fields":[{"field":"CTA","old":"-20C","new":"-19C"}]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"4bf6e26abc6e","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -19C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -19C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -20C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -19C."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"64f25b403a28","priority":"action","category":"remark","kind":"changed","summary":"remark updated: CLSD 31 OCT - 01 MAY; CK NOTAMS - AMGR OR 406-459-9825","source":"APT_RMK","original":"CLSD 31 OCT - 01 MAY; CK NOTAMS - AMGR OR 406-459-9825","fields":[{"field":"REMARK","old":"ARPT CLSD OCT 31 THRU MAY1. CHK NOTAMS FOR OPS DATES OR CALL 406-459-9825/406-646-7631.","new":"CLSD 31 OCT - 01 MAY; CK NOTAMS - AMGR OR 406-459-9825"}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"ef35ea885757","priority":"action","category":"remark","kind":"changed","summary":"remark updated: Prior permission required for air carrier operations greater than 30 passengers - contact airport manager or 406-459-9825.","source":"APT_RMK","original":"PPR FOR ACR OPS GTR THAN 30 PAX - AMGR OR 406-459-9825.","fields":[{"field":"REMARK","old":"PPR FOR ACR OPNS WITH MORE THAN 30 PSGR SEATS CALL AMGR 406-646-7631 OR 406-459-9825.","new":"PPR FOR ACR OPS GTR THAN 30 PAX - AMGR OR 406-459-9825."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"5c48745d0cb4","priority":"fyi","category":"airport","kind":"changed","summary":"airframe repair: none -> none; bottled oxygen: none -> none; bulk oxygen: none -> none; 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":"PWR_PLANT_REPAIR_SER","old":"NONE","new":""}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"3b5c8df4a96c","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: HEAVY SNOWMOBILE USE ON/ADJACENT RY WINTER MOS.","source":"APT_RMK","original":"HEAVY SNOWMOBILE USE ON/ADJACENT RY WINTER MOS."},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"63a5f4bfdfa5","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 406-459-9825/406-444-2506.","source":"APT_RMK","original":"406-459-9825/406-444-2506.","fields":[{"field":"REMARK","old":"IF NO ANSWER CALL 406-459-9825/406-444-2506.","new":"406-459-9825/406-444-2506."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"547952d57b5c","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: ACTVT MALSR RWY 01; REIL RWY 19; HIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY. NOT AVBL 31 OCT- 7 MAY .","source":"APT_RMK","original":"ACTVT MALSR RWY 01; REIL RWY 19; HIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY. NOT AVBL 31 OCT- 7 MAY .","fields":[{"field":"REMARK","old":"ACTVT MALSR RWY 01; REIL RWY 19; HIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY.  NOT AVBL 31 OCT- 7 MAY .","new":"ACTVT MALSR RWY 01; REIL RWY 19; HIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY. NOT AVBL 31 OCT- 7 MAY ."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"d3f5f2a810c7","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: COND UNMNT 1700-0800.","source":"APT_RMK","original":"COND UNMNT 1700-0800.","fields":[{"field":"REMARK","old":"CONDITIONS UNMONITORED 1700-0800L DAILY.","new":"COND UNMNT 1700-0800."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"33dfb965dcff","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: OFF SEASON FUEL- 406-646-7359.","source":"APT_RMK","original":"OFF SEASON FUEL- 406-646-7359.","fields":[{"field":"REMARK","old":"FOR FUEL DURG OFF SEASON HRS CALL 406-646-7359.","new":"OFF SEASON FUEL- 406-646-7359."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"4208fc4f34da","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: WX DEPENDENT.","source":"APT_RMK","original":"WX DEPENDENT.","fields":[{"field":"REMARK","old":"WEATHER DEPENDENT","new":"WX DEPENDENT."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"20c09a4ab980","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: SNOW REMOVAL NA. WINTER SNOWMOBILE ACT ON & INVOF OF ARPT.","source":"APT_RMK","original":"SNOW REMOVAL NA. WINTER SNOWMOBILE ACT ON & INVOF OF ARPT.","fields":[{"field":"REMARK","old":"NO SNOW REMOVAL.","new":"SNOW REMOVAL NA. WINTER SNOWMOBILE ACT ON & INVOF OF ARPT."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"870017a195b1","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: TURBINE PWRD LDG FEE.","source":"APT_RMK","original":"TURBINE PWRD LDG FEE.","fields":[{"field":"REMARK","old":"LDG FEE FOR TURBINE PWRD ACFT. PISTON PWRD EXEMPT.","new":"TURBINE PWRD LDG FEE."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"260b0fad9f26","priority":"fyi","category":"frequency","kind":"changed","summary":"remark: ACTVT MALSR RWY 01; REIL RWY 19; HIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY.  NOT AVBL 31 OCT- 7 MAY . -> ACTVT MALSR RWY 01; REIL RWY 19; HIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY. NOT AVBL 31 OCT- 7 MAY .","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT MALSR RWY 01; REIL RWY 19; HIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY.  NOT AVBL 31 OCT- 7 MAY .","new":"ACTVT MALSR RWY 01; REIL RWY 19; HIRL RWY 01/19 - CTAF. PAPI RWY 01 & 19 OPR CONSLY. NOT AVBL 31 OCT- 7 MAY ."}]}],"first_cycle":"2024-12-26","last_cycle":"2026-09-03"}