{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"SEA","counts":{"action":0,"ifr":3,"fyi":0},"changes":[{"id":"ab7eaeda3fcc","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: OZWLD1 -> OZWLD2","source":"STAR/DP","details":["OZWLD1 -> OZWLD2: same waypoints and transitions; altitudes, speeds or notes may have changed, check the chart"],"procedures":{"updated":["OZWLD2"],"removed":[]}},{"id":"341db81b8e8e","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 changed","source":"PFR","details":["preferred IFR route CLE -> SEA: new routing CLE GTLKE6 ALPHE J34 BAE J16 PDT CHINS5 SEA; aircraft RNAV ONLY -> RNAV 1 - DME/DME/IRU OR GPS; area FROM CLEVELAND METRO(CLE,CGF,BKL,LNN,LPR) -> FROM CLE,CGF,LNN,LPR  TO BFI, PAE, RNT, SEA"]},{"id":"f1b8fb28e8bc","priority":"ifr","category":"chart","kind":"changed","summary":"departure OZWLD TWO (RNAV) changed","source":"D-TPP","chart":{"code":"DP","name":"OZWLD TWO (RNAV)","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2611/00582OZWLD.PDF"}}]}