{"schema_version":1,"airport":"04MD","entries":[{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"d3f9097187dc","priority":"fyi","category":"airport","kind":"changed","summary":"sectional chart: none -> WASHINGTON","source":"APT_BASE","fields":[{"field":"CHART_NAME","old":"","new":"WASHINGTON"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"62334374d3e8","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 40 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"40"}]}],"first_cycle":"2026-01-22","last_cycle":"2026-01-22"}