{"schema_version":1,"airport":"W99","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"880fcac6a12d","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) Y RWY 31 redrawn (still amdt 0C)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) Y RWY 31","amdt":"0C","pdf":"https://aeronav.faa.gov/d-tpp/2609/06500RY31.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"e282c9d5abc2","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) Z RWY 31 redrawn (still amdt 0C)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) Z RWY 31","amdt":"0C","pdf":"https://aeronav.faa.gov/d-tpp/2609/06500RZ31.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"95a49e3cddf4","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS)-C changed (amdt 0A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS)-C","amdt":"0A","pdf":"https://aeronav.faa.gov/d-tpp/2609/06500RC.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"3fb7cc5b9b39","priority":"ifr","category":"chart","kind":"changed","summary":"approach LDA/DME-B redrawn (still amdt 3C)","source":"D-TPP","chart":{"code":"IAP","name":"LDA/DME-B","amdt":"3C","pdf":"https://aeronav.faa.gov/d-tpp/2609/06500LDADB.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"5df52b5c47e2","priority":"ifr","category":"chart","kind":"changed","summary":"approach VOR/DME-A redrawn (still amdt 2D)","source":"D-TPP","chart":{"code":"IAP","name":"VOR/DME-A","amdt":"2D","pdf":"https://aeronav.faa.gov/d-tpp/2609/06500VDA.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"be41b57acd86","priority":"ifr","category":"chart","kind":"changed","summary":"approach COPTER RNAV (GPS) X RWY 31 redrawn (still amdt 0A)","source":"D-TPP","chart":{"code":"IAP","name":"COPTER RNAV (GPS) X RWY 31","amdt":"0A","pdf":"https://aeronav.faa.gov/d-tpp/2609/06500COPTERRX31.PDF"}},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"c5994ad246b3","priority":"action","category":"weather","kind":"changed","summary":"weather station type: AWOS-3 -> AWOS-3PT","source":"AWOS","fields":[{"field":"ASOS_AWOS_TYPE","old":"AWOS-3","new":"AWOS-3PT"}]},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"1cf8947700c8","priority":"action","category":"frequency","kind":"changed","summary":"frequency 124.475 now listed for W99 AWOS-3PT (was W99 AWOS-3); served facility type: AWOS-3 -> AWOS-3PT","source":"FRQ","fields":[{"field":"FREQ_USE","old":"W99 AWOS-3","new":"W99 AWOS-3PT"},{"field":"SERVICED_SITE_TYPE","old":"AWOS-3","new":"AWOS-3PT"}]},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"61e915512e9d","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS)-C redrawn (still amdt 0A)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS)-C","amdt":"0A","pdf":"https://aeronav.faa.gov/d-tpp/2608/06500RC.PDF"}},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"a25a0fdd9808","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -8C -> -7C","source":"APT_BASE","fields":[{"field":"CTA","old":"-8C","new":"-7C"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"4068d045d922","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -7C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -7C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -8C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -7C."}]}],"first_cycle":"2025-10-02","last_cycle":"2026-09-03"}