{"schema_version":1,"airport":"AKN","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"5f97c209ff7e","priority":"action","category":"runway","kind":"changed","summary":"runway 12/30: length: 8901 -> 8900 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"8901","new":"8900"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"ef277b58cb1f","priority":"action","category":"navaid","kind":"changed","summary":"runway 12: ILS runway length: 8901 -> 8900 ft","source":"ILS_BASE","fields":[{"field":"RWY_LEN","old":"8901","new":"8900"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"ab302e55e048","priority":"ifr","category":"chart","kind":"changed","summary":"approach HI-ILS Z OR LOC Z RWY 12 changed","source":"D-TPP","chart":{"code":"IAP","name":"HI-ILS Z OR LOC Z RWY 12","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237HIZLZ12.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"00904cd78a46","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS Y OR LOC Y RWY 12 redrawn (still amdt 19A)","source":"D-TPP","chart":{"code":"IAP","name":"ILS Y OR LOC Y RWY 12","amdt":"19A","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237IYLY12.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"37fa870df71a","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 12 redrawn (still amdt 2A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 12","amdt":"2A","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237R12.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"66b92209fb3e","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 30 redrawn (still amdt 2A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 30","amdt":"2A","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237R30.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"13084718f0f3","priority":"ifr","category":"chart","kind":"changed","summary":"approach LOC BC RWY 30 redrawn (still amdt 6A)","source":"D-TPP","chart":{"code":"IAP","name":"LOC BC RWY 30","amdt":"6A","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237LBC30.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"4db30a9b4629","priority":"ifr","category":"chart","kind":"changed","summary":"approach HI-VOR Z OR TACAN Z RWY 12 changed","source":"D-TPP","chart":{"code":"IAP","name":"HI-VOR Z OR TACAN Z RWY 12","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237HVZTZ12.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"3345f70ca675","priority":"ifr","category":"chart","kind":"changed","summary":"approach HI-VOR Z OR TACAN Z RWY 30 changed","source":"D-TPP","chart":{"code":"IAP","name":"HI-VOR Z OR TACAN Z RWY 30","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237HVZTZ30.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"6535af954f86","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR Y OR TACAN Y RWY 12 redrawn (still amdt 14)","source":"D-TPP","chart":{"code":"IAP","name":"VOR Y OR TACAN Y RWY 12","amdt":"14","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237VYTY12.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"ade12a3a489a","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR Y OR TACAN Y RWY 30 redrawn (still amdt 12B)","source":"D-TPP","chart":{"code":"IAP","name":"VOR Y OR TACAN Y RWY 30","amdt":"12B","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237VYTY30.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"1492362cdbd8","priority":"fyi","category":"runway","kind":"changed","summary":"runway 12: declared distances changed: takeoff run available (TORA) 8,901 ft -> 8,900 ft; takeoff distance available (TODA) 8,901 ft -> 8,900 ft; accelerate-stop distance available (ASDA) 8,501 ft -> 8,500 ft; landing distance available (LDA) 8,501 ft -> 8,500 ft; runway end elevation: 59.9 -> 57.9 ft MSL; touchdown zone elevation: 61.8 -> 59.9 ft MSL","source":"APT_RWY_END","fields":[{"field":"ACLT_STOP_DIST_AVBL","old":"8501","new":"8500"},{"field":"LNDG_DIST_AVBL","old":"8501","new":"8500"},{"field":"RWY_END_ELEV","old":"59.9","new":"57.9"},{"field":"TDZ_ELEV","old":"61.8","new":"59.9"},{"field":"TKOF_DIST_AVBL","old":"8901","new":"8900"},{"field":"TKOF_RUN_AVBL","old":"8901","new":"8900"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"57a7315ec3e5","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: runway end elevation: 66.1 -> 64.4 ft MSL; touchdown zone elevation: 66.1 -> 64.4 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"66.1","new":"64.4"},{"field":"TDZ_ELEV","old":"66.1","new":"64.4"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"12821754ee63","priority":"fyi","category":"runway","kind":"changed","summary":"runway 30: declared distances changed: takeoff run available (TORA) 8,901 ft -> 8,900 ft; takeoff distance available (TODA) 8,901 ft -> 8,900 ft; accelerate-stop distance available (ASDA) 8,501 ft -> 8,500 ft; landing distance available (LDA) 8,501 ft -> 8,500 ft; runway end elevation: 73.4 -> 73.1 ft MSL; touchdown zone elevation: 73.4 -> 73.1 ft MSL","source":"APT_RWY_END","fields":[{"field":"ACLT_STOP_DIST_AVBL","old":"8501","new":"8500"},{"field":"LNDG_DIST_AVBL","old":"8501","new":"8500"},{"field":"RWY_END_ELEV","old":"73.4","new":"73.1"},{"field":"TDZ_ELEV","old":"73.4","new":"73.1"},{"field":"TKOF_DIST_AVBL","old":"8901","new":"8900"},{"field":"TKOF_RUN_AVBL","old":"8901","new":"8900"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"8d4d3638cd9b","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: runway end elevation: 59.9 -> 58.2 ft MSL; touchdown zone elevation: 65.2 -> 63.3 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"59.9","new":"58.2"},{"field":"TDZ_ELEV","old":"65.2","new":"63.3"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"0213d0bd87fd","priority":"fyi","category":"chart","kind":"changed","summary":"airport diagram changed","source":"D-TPP","chart":{"code":"APD","name":"AIRPORT DIAGRAM","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/01237AD.PDF"}},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"fe6ac8fb1138","priority":"action","category":"navaid","kind":"changed","summary":"runway 12: remark: ILS GS NOT COINCIDENT WITH  PAPI. (RADAR MONITORING NOT AVBL FOR ILS GS). -> RADAR MNT NOT AVBL FOR ILS GS.","source":"ILS_RMK","fields":[{"field":"REMARK","old":"ILS GS NOT COINCIDENT WITH  PAPI. (RADAR MONITORING NOT AVBL FOR ILS GS).","new":"RADAR MNT NOT AVBL FOR ILS GS."}]},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"673c7c060668","priority":"fyi","category":"navaid","kind":"changed","summary":"runway 12: remark: GS AUTOPILOT COUPLED APPROACH NOT AUTHORIZED BELOW 700 FT MSL. -> GS AUTOPILOT COUPLED APCH NA BLW 700 FT MSL.","source":"ILS_RMK","fields":[{"field":"REMARK","old":"GS AUTOPILOT COUPLED APPROACH NOT AUTHORIZED BELOW 700 FT MSL.","new":"GS AUTOPILOT COUPLED APCH NA BLW 700 FT MSL."}]},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"0ac05bd35f39","priority":"fyi","category":"navaid","kind":"changed","summary":"runway 12: remark: LOC BC UNUSABLE BYD 20 DEG RIGHT OF COURSE. -> LOC BC UNUSBL BYD 20 DEG RIGHT OF COURSE.","source":"ILS_RMK","fields":[{"field":"REMARK","old":"LOC BC UNUSABLE BYD 20 DEG RIGHT OF COURSE.","new":"LOC BC UNUSBL BYD 20 DEG RIGHT OF COURSE."}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"08e87bc78e99","priority":"action","category":"weather","kind":"changed","summary":"AWOS/ASOS phone number changed to 907-300-7084","source":"AWOS","fields":[{"field":"PHONE_NO","old":"907-246-7506","new":"907-300-7084"}]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"b23abf3aba2a","priority":"ifr","category":"chart","kind":"changed","summary":"approach HI-ILS Z OR LOC Z RWY 12 changed","source":"D-TPP","chart":{"code":"IAP","name":"HI-ILS Z OR LOC Z RWY 12","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237HIZLZ12.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"e356f29d5d14","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS Y OR LOC Y RWY 12 redrawn (still amdt 19A)","source":"D-TPP","chart":{"code":"IAP","name":"ILS Y OR LOC Y RWY 12","amdt":"19A","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237IYLY12.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"72e05bf2ce6b","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 12 redrawn (still amdt 2A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 12","amdt":"2A","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237R12.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"8a99009e9805","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 30 redrawn (still amdt 2A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 30","amdt":"2A","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237R30.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"2f50e86c26c9","priority":"ifr","category":"chart","kind":"changed","summary":"approach LOC BC RWY 30 redrawn (still amdt 6A)","source":"D-TPP","chart":{"code":"IAP","name":"LOC BC RWY 30","amdt":"6A","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237LBC30.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"25a42ffeee4f","priority":"ifr","category":"chart","kind":"changed","summary":"approach HI-VOR Z OR TACAN Z RWY 12 changed","source":"D-TPP","chart":{"code":"IAP","name":"HI-VOR Z OR TACAN Z RWY 12","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237HVZTZ12.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"465aa1c45bda","priority":"ifr","category":"chart","kind":"changed","summary":"approach HI-VOR Z OR TACAN Z RWY 30 changed","source":"D-TPP","chart":{"code":"IAP","name":"HI-VOR Z OR TACAN Z RWY 30","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237HVZTZ30.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"4a98a24a9924","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR Y OR TACAN Y RWY 12 redrawn (still amdt 14)","source":"D-TPP","chart":{"code":"IAP","name":"VOR Y OR TACAN Y RWY 12","amdt":"14","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237VYTY12.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"07b4ce8c8553","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR Y OR TACAN Y RWY 30 redrawn (still amdt 12B)","source":"D-TPP","chart":{"code":"IAP","name":"VOR Y OR TACAN Y RWY 30","amdt":"12B","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237VYTY30.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"6320c7a46102","priority":"fyi","category":"chart","kind":"changed","summary":"airport diagram changed","source":"D-TPP","chart":{"code":"APD","name":"AIRPORT DIAGRAM","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2607/01237AD.PDF"}},{"cycle":"2025-10-30","from_cycle":"2025-10-02","id":"b9bd791a6d5c","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 907-465-1763","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"907-465-4512","new":"907-465-1763"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"201451ad447e","priority":"action","category":"remark","kind":"changed","summary":"remark updated: ALSO USED BY BOATS. RWY NW/SE NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS.","source":"APT_RMK","original":"ALSO USED BY BOATS. RWY NW/SE NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS.","fields":[{"field":"REMARK","old":"ALSO USED BY BOATS.","new":"ALSO USED BY BOATS. RWY NW/SE NOT AVBL FOR PART 121/PART 380 OPS WITH SKED PAX CARRYING OPS MORE THAN 9 PAX SEATS AND NON-SKED PAX CARRYING OPS MORE THAN 30 PAX SEATS."}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"53cdc9183952","priority":"action","category":"remark","kind":"changed","summary":"remark updated: NOT INSPD FOR MIL OPS. RWY 18/36 NOT AVBL FOR PART 121/380 SKED AND NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS. 1 IN DIP ON CNTRLN 1850 FT FM AER 36 EXTDS TO 3 IN DIP 25 FT WIDE ON W EDGE.","source":"APT_RMK","original":"NOT INSPD FOR MIL OPS. RWY 18/36 NOT AVBL FOR PART 121/380 SKED AND NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS. 1 IN DIP ON CNTRLN 1850 FT FM AER 36 EXTDS TO 3 IN DIP 25 FT WIDE ON W EDGE.","fields":[{"field":"REMARK","old":"NOT INSPD FOR MIL OPS. ACR OPS WITH MORE THAN 30 PAX SEATS NA. 1 IN DIP ON CNTRLN 1850 FT FM AER 36 EXTDS TO 3 IN DIP 25 FT WIDE ON W EDGE.","new":"NOT INSPD FOR MIL OPS. RWY 18/36 NOT AVBL FOR PART 121/380 SKED AND NON-SKED OPS WITH PAX CARRYING OPS MORE THAN 30 PAX SEATS. 1 IN DIP ON CNTRLN 1850 FT FM AER 36 EXTDS TO 3 IN DIP 25 FT WIDE ON W EDGE."}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"cf2c570f1b12","priority":"action","category":"runway","kind":"changed","summary":"runway 12: approach lights: simplified short approach lighting system with runway alignment indicator lights (SSALR) -> 1,400 foot medium intensity approach lighting system with runway alignment indicator lights (MALSR)","source":"APT_RWY_END","fields":[{"field":"APCH_LGT_SYSTEM_CODE","old":"SSALR","new":"MALSR"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"3c29a7300bc1","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: When the control tower is closed, activate medium intensity approach lighting system with runway alignment indicator lights on runway 12, precision approach path indicator on runways 12 and 30, medium intensity runway lights on runway 18/36, and high intensity runway lights on runways 12/30 on CTAF.","source":"APT_RMK","original":"WHEN ATCT CLSD ACTVT MALSR RWY 12; PAPI RWY 12 & 30; MIRL RWY 18/36; HIRL RWY 12/30 - CTAF.","fields":[{"field":"REMARK","old":"WHEN ATCT CLSD ACTVT SSALR RWY 12; PAPI RWY 12 & 30; MIRL RWY 18/36; HIRL RWY 12/30 - CTAF.","new":"WHEN ATCT CLSD ACTVT MALSR RWY 12; PAPI RWY 12 & 30; MIRL RWY 18/36; HIRL RWY 12/30 - CTAF."}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"749a6e0aa512","priority":"fyi","category":"frequency","kind":"changed","summary":"remark: CTAF 352.05. FREQ 121.9 SIMULCAST WITH 352.05.; WHEN ATCT CLSD ACTVT SSALR RWY 12; PAPI RWY 12 & 30; MIRL RWY 18/36; HIRL RWY 12/30 - CTAF.; MIL FIGHTER/EMERG DVRSN CTC WARRIOR/ELMENDORF SOF 395.15; NON FIGHTER/EMERG CTC KING SALMON OPS. 24 HR POINT MNTS CTAF DURG OPS HR. -> CTAF 352.05. FREQ 121.9 SIMULCAST WITH 352.05.; WHEN ATCT CLSD ACTVT MALSR RWY 12; PAPI RWY 12 & 30; MIRL RWY 18/36; HIRL RWY 12/30 - CTAF.; MIL FIGHTER/EMERG DVRSN CTC WARRIOR/ELMENDORF SOF 395.15; NON FIGHTER/EMERG CTC KING SALMON OPS. 24 HR POINT MNTS CTAF DURG OPS HR.","source":"FRQ","fields":[{"field":"REMARK","old":"CTAF 352.05. FREQ 121.9 SIMULCAST WITH 352.05.; WHEN ATCT CLSD ACTVT SSALR RWY 12; PAPI RWY 12 & 30; MIRL RWY 18/36; HIRL RWY 12/30 - CTAF.; MIL FIGHTER/EMERG DVRSN CTC WARRIOR/ELMENDORF SOF 395.15; NON FIGHTER/EMERG CTC KING SALMON OPS. 24 HR POINT MNTS CTAF DURG OPS HR.","new":"CTAF 352.05. FREQ 121.9 SIMULCAST WITH 352.05.; WHEN ATCT CLSD ACTVT MALSR RWY 12; PAPI RWY 12 & 30; MIRL RWY 18/36; HIRL RWY 12/30 - CTAF.; MIL FIGHTER/EMERG DVRSN CTC WARRIOR/ELMENDORF SOF 395.15; NON FIGHTER/EMERG CTC KING SALMON OPS. 24 HR POINT MNTS CTAF DURG OPS HR."}]}],"first_cycle":"2024-10-31","last_cycle":"2026-09-03"}