{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"COS","counts":{"action":0,"ifr":16,"fyi":2},"changes":[{"id":"4891bf149533","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 17L redrawn (still amdt 3D)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 17L","amdt":"3D","pdf":"https://aeronav.faa.gov/d-tpp/2611/00087IL17L.PDF"}},{"id":"55fbb6f6537d","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 35L redrawn (still amdt 40)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 35L","amdt":"40","pdf":"https://aeronav.faa.gov/d-tpp/2611/00087IL35L.PDF"}},{"id":"ddd10044bfe3","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 35R redrawn (still amdt 2A)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 35R","amdt":"2A","pdf":"https://aeronav.faa.gov/d-tpp/2611/00087IL35R.PDF"}},{"id":"cc4358646d4c","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS RWY 17L (SA CAT I - 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