{"schema_version":1,"airport":"ANC","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"1ee5b0ebfcab","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 removed","source":"PFR","details":["preferred IFR route ANC -> SEA removed"]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"75d29474197d","priority":"fyi","category":"airport","kind":"changed","summary":"name changed: Aaron Danielson -> Angie Spear","source":"APT_CON","fields":[{"field":"NAME","old":"AARON DANIELSON","new":"ANGIE SPEAR"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"1dd6e23e5b38","priority":"fyi","category":"runway","kind":"changed","summary":"runway 33: Part 77 runway category: precision instrument runway (PIR) -> other than utility runway with a nonprecision approach having visibility minimums greater than 3/4 mile (C)","source":"APT_RWY_END","fields":[{"field":"FAR_PART_77_CODE","old":"PIR","new":"C"}]},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"3356c3cb11f5","priority":"action","category":"weather","kind":"changed","summary":"AWOS/ASOS phone number changed to 907-560-7681","source":"AWOS","fields":[{"field":"PHONE_NO","old":"907-271-5278","new":"907-560-7681"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"456e8047e1ea","priority":"fyi","category":"remark","kind":"added","summary":"new remark: RWY 15 BLAST PAD & TWY J RUNUP AREA S SIDE IREG SFC.","source":"APT_RMK","original":"RWY 15 BLAST PAD & TWY J RUNUP AREA S SIDE IREG SFC."},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"ff8d1288833a","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 907-266-2545; name changed: Dave Bronson -> Aaron Danielson","source":"APT_CON","fields":[{"field":"NAME","old":"DAVE BRONSON","new":"AARON DANIELSON"},{"field":"PHONE_NO","old":"907-266-2600","new":"907-266-2545"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"31879d2f08f2","priority":"action","category":"navaid","kind":"changed","summary":"runway 15: approach bearing: 148.88 -> 148.87° magnetic","source":"ILS_BASE","fields":[{"field":"APCH_BEAR","old":"148.88","new":"148.87"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"7db08c058b6c","priority":"fyi","category":"airport","kind":"changed","summary":"name changed: Angie Spear -> Dave Bronson","source":"APT_CON","fields":[{"field":"NAME","old":"ANGIE SPEAR","new":"DAVE BRONSON"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"81cab09ba445","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07L: runway end elevation: 127.6 -> 127.7 ft MSL; touchdown zone elevation: 128.2 -> 128.1 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"127.6","new":"127.7"},{"field":"TDZ_ELEV","old":"128.2","new":"128.1"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"bc3532499ba8","priority":"fyi","category":"runway","kind":"changed","summary":"runway 07R: runway end elevation: 131.7 -> 132.1 ft MSL; touchdown zone elevation: 131.7 -> 132.1 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"131.7","new":"132.1"},{"field":"TDZ_ELEV","old":"131.7","new":"132.1"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"477810910020","priority":"fyi","category":"runway","kind":"changed","summary":"runway 15: runway end elevation: 151.3 -> 151.4 ft MSL; threshold crossing height: 85 -> 78 ft AGL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"151.3","new":"151.4"},{"field":"THR_CROSSING_HGT","old":"85","new":"78"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"a64b8f88b38e","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25L: runway end elevation: 100.4 -> 100.7 ft MSL; touchdown zone elevation: 114.6 -> 114.9 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"100.4","new":"100.7"},{"field":"TDZ_ELEV","old":"114.6","new":"114.9"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"22be85d1d67f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25R: runway end elevation: 91.5 -> 91.8 ft MSL; touchdown zone elevation: 91.8 -> 91.9 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"91.5","new":"91.8"},{"field":"TDZ_ELEV","old":"91.8","new":"91.9"}]},{"cycle":"2025-05-15","from_cycle":"2025-04-17","id":"f6327faffb98","priority":"fyi","category":"runway","kind":"changed","summary":"runway 33: displaced threshold elevation: 121 -> 121.1 ft MSL; Part 77 runway category: other than utility runway with a nonprecision approach having visibility minimums greater than 3/4 mile (C) -> precision instrument runway (PIR); runway end elevation: 121.7 -> 121.8 ft MSL; touchdown zone elevation: 120.8 -> 121.1 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"121","new":"121.1"},{"field":"FAR_PART_77_CODE","old":"C","new":"PIR"},{"field":"RWY_END_ELEV","old":"121.7","new":"121.8"},{"field":"TDZ_ELEV","old":"120.8","new":"121.1"}]},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"154df0990806","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.3 via the Anchorage outlet no longer available","source":"FRQ"},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"f3e625d2ebd0","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.55 via the Anchorage outlet no longer available","source":"FRQ"},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"4803aef870d3","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 121.5 no longer listed for ANCHORAGE RCO","source":"FRQ","fields":[{"field":"FREQ_USE","old":"ANCHORAGE RCO","new":""}]},{"cycle":"2025-02-20","from_cycle":"2025-01-23","id":"85eb296a39a5","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: BACK TAX FM TWY J FOR DEP NA.","source":"APT_RMK","original":"BACK TAX FM TWY J FOR DEP NA.","fields":[{"field":"REMARK","old":"BACK TAXI FM TWY J FOR DEP NA.","new":"BACK TAX FM TWY J FOR DEP NA."}]},{"cycle":"2024-11-28","from_cycle":"2024-10-31","id":"e52bbb576a03","priority":"fyi","category":"navaid","kind":"changed","summary":"runway 07L: remark: ILS CLASSIFICATION CODE ID. -> ILS CLASSIFICATION CODE IID.","source":"ILS_RMK","fields":[{"field":"REMARK","old":"ILS CLASSIFICATION CODE ID.","new":"ILS CLASSIFICATION CODE IID."}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"3a77d273732d","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: KROTO5, NEELL7, WITTI5","source":"STAR/DP","procedures":{"updated":["KROTO5","NEELL7","WITTI5"],"removed":[]}},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"c80890309773","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 2 removed","source":"PFR","details":["preferred IFR route SEA -> ANC removed"]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"04bcfb20c825","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: AMOTT4, ELLAM5, TAGER9, YESKA6","source":"STAR/DP","procedures":{"updated":["AMOTT4","ELLAM5","TAGER9","YESKA6"],"removed":[]}},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"9f7413e7b233","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -22C -> -21C","source":"APT_BASE","fields":[{"field":"CTA","old":"-22C","new":"-21C"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"d130d7393547","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: Cold temperature airport; altitude correction required at or below -21C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -21C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -22C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -21C."}]}],"first_cycle":"2024-09-05","last_cycle":"2026-09-03"}