{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"YKN","counts":{"action":0,"ifr":3,"fyi":2},"changes":[{"id":"ffddf45af320","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 31 redrawn (still amdt 6)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 31","amdt":"6","pdf":"https://aeronav.faa.gov/d-tpp/2611/05235IL31.PDF"}},{"id":"7bdd90325665","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 13 redrawn (still amdt 1B)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 13","amdt":"1B","pdf":"https://aeronav.faa.gov/d-tpp/2611/05235R13.PDF"}},{"id":"a62b27056d2f","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 31 redrawn (still amdt 1A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 31","amdt":"1A","pdf":"https://aeronav.faa.gov/d-tpp/2611/05235R31.PDF"}},{"id":"cf7880bc387c","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): none -> -30C","source":"APT_BASE","fields":[{"field":"CTA","old":"","new":"-30C"}]},{"id":"51267b72acc6","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Cold temperature airport. Altitude correction required at or below -30C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -30C."}]}