{"schema_version":1,"airport":"48MI","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"c1347b63bf00","priority":"fyi","category":"airport","kind":"changed","summary":"sectional chart: DETROIT -> CHICAGO","source":"APT_BASE","fields":[{"field":"CHART_NAME","old":"DETROIT","new":"CHICAGO"}]}],"first_cycle":"2026-10-01","last_cycle":"2026-10-01"}