{"schema_version":1,"airport":"S64","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"520559db7a66","priority":"fyi","category":"remark","kind":"added","summary":"new runway 12 end remark: Multiple lighted and unlighted towers at 4720 feet MSL 1.9 nautical miles northwest of runway 12 approach end.","source":"APT_RMK","original":"MULT LGTD AND UNLGTD TWRS AT 4720 FT MSL 1.9 NM NW APCH END OF RWY 12."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"fb34eaff30c7","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: CONDS NOT RPRTD CTC AMGR 406-490-7708.","source":"APT_RMK","original":"CONDS NOT RPRTD CTC AMGR 406-490-7708.","fields":[{"field":"REMARK","old":"COND RPRT NA DURG WINTER - AMGR OR 406-490-2277","new":"CONDS NOT RPRTD CTC AMGR 406-490-7708."}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"22febfa0af20","priority":"ifr","category":"tower","kind":"added","summary":"approach/departure control listed: SALT LAKE ARTCC (ZLC)","source":"ATC_BASE","fields":[{"field":"FACILITY_TYPE","old":"","new":"NON-ATCT"},{"field":"FACILITY_ID","old":"","new":"S64"},{"field":"FACILITY_NAME","old":"","new":"STANFORD/BIGGERSTAFF FLD"},{"field":"REGION_CODE","old":"","new":"ANM"},{"field":"PRIMARY_APCH_RADIO_CALL","old":"","new":"SALT LAKE ARTCC"},{"field":"APCH_P_PROVIDER","old":"","new":"ZLC"}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"ea6d22160b8f","priority":"action","category":"frequency","kind":"added","summary":"frequency 133.4 (JUDITH MOUNTAIN RCAG) added","source":"FRQ"},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"d274dfb68afd","priority":"action","category":"frequency","kind":"added","summary":"frequency 285.4 (JUDITH MOUNTAIN RCAG) added","source":"FRQ"},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"b11b978da2f7","priority":"action","category":"remark","kind":"added","summary":"new remark: APCH/DEP SVC PRVDD BY SALT LAKE ARTCC (ZLC) ON FREQS 133.4/285.4 (JUDITH MOUNTAIN RCAG).","source":"ATC_RMK","original":"APCH/DEP SVC PRVDD BY SALT LAKE ARTCC (ZLC) ON FREQS 133.4/285.4 (JUDITH MOUNTAIN RCAG)."},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"249da7c25607","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 406-490-7708","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"(406) 490-7708","new":"406-490-7708"}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"2c35103c22ef","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: A courtesy car is available.","source":"APT_RMK","original":"COURTESY CAR AVBL."},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"3e7df0ceead1","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: Contact TYLER@YOUDERIANCONST.COM.","source":"APT_RMK","original":"TYLER@YOUDERIANCONST.COM"},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"d4a6a44ebe00","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: COND RPRT NA DURG WINTER - AMGR OR 406-490-2277","source":"APT_RMK","original":"COND RPRT NA DURG WINTER - AMGR OR 406-490-2277","fields":[{"field":"REMARK","old":"CONDS NOT RPRTD DURG WINT MONTHS CTC MGR FOR CONDS 406-490-2277","new":"COND RPRT NA DURG WINTER - AMGR OR 406-490-2277"}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"34e901c4b666","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Tall grass.","source":"APT_RMK","original":"TALL GRASS.","fields":[{"field":"REMARK","old":"UNMARKED, IREG MOWING, TALL GRASS.","new":"TALL GRASS."}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"91fe552c8a92","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07: markings: none -> none","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_TYPE_CODE","old":"","new":"NONE"}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"c4011e900662","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25: markings: none -> none","source":"APT_RWY_END","fields":[{"field":"RWY_MARKING_TYPE_CODE","old":"","new":"NONE"}]}],"first_cycle":"2025-01-23","last_cycle":"2026-10-01"}