{"schema_version":1,"airport":"OH31","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"2670c0c53aa3","priority":"fyi","category":"airport","kind":"changed","summary":"sectional chart: DETROIT -> CINCINNATI","source":"APT_BASE","fields":[{"field":"CHART_NAME","old":"DETROIT","new":"CINCINNATI"}]}],"first_cycle":"2026-10-01","last_cycle":"2026-10-01"}