{"schema_version":1,"airport":"9MI7","entries":[{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"256c131b5b7e","priority":"action","category":"airport","kind":"removed","summary":"airport removed from FAA database: Glen Oaks, runway H1 20x20 ft conc, CTAF 122.9","source":"APT_BASE"},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"64bd5927746e","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"0e53825feb5f","priority":"fyi","category":"runway","kind":"changed","summary":"runway H1: runway end elevation: none -> 920 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"920"}]}],"first_cycle":"2025-10-02","last_cycle":"2026-06-11"}