{"schema_version":1,"airport":"4OI1","entries":[{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"b438c2e7fa15","priority":"action","category":"airport","kind":"removed","summary":"airport removed from FAA database: Petro, runway H1 15x15 ft conc","source":"APT_BASE"}],"first_cycle":"2025-09-04","last_cycle":"2025-09-04"}