{"schema_version":1,"airport":"AKR","entries":[{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"f57e00ee0d01","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 removed","source":"PFR","details":["preferred IFR route EWR -> AKR removed"]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"c68a678e8078","priority":"fyi","category":"airport","kind":"changed","summary":"services: added air ambulance services (AMB)","source":"APT_BASE","fields":[{"field":"OTHER_SERVICES","old":"CHTR,INSTR,RNTL","new":"AMB,CHTR,INSTR,RNTL"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"433c9063d8c7","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: APCH RATIO 17:1 TO DSPLCD THR DUE TO +124 FT TREE 2129 FT FM THR 61 FT L.","source":"APT_RMK","original":"APCH RATIO 17:1 TO DSPLCD THR DUE TO +124 FT TREE 2129 FT FM THR 61 FT L."},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"51512e9c50d3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25: controlling obstacle changed (now 125 ft tall, 1078 ft from threshold, 427 ft left of centerline, clearance slope 7:1)","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"441","new":"427"},{"field":"DIST_FROM_THR","old":"1836","new":"1078"},{"field":"OBSTN_CLNC_SLOPE","old":"15","new":"7"},{"field":"OBSTN_HGT","old":"106","new":"125"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"19d41e2dec0c","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: BRWNZ4, HUUVR1, ZZIPS1","source":"STAR/DP","procedures":{"updated":["BRWNZ4","HUUVR1","ZZIPS1"],"removed":[]}}],"first_cycle":"2024-09-05","last_cycle":"2026-01-22"}