{"schema_version":1,"airport":"PN54","entries":[{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"6b6a714cfc3f","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"fca5e47b03d3","priority":"fyi","category":"airport","kind":"changed","summary":"airspace analysis determination: conditional (CONDL) -> no objection","source":"APT_BASE","fields":[{"field":"ASP_ANLYS_DTRM_CODE","old":"CONDL","new":"NO OBJECTION"}]},{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"ceb269e103be","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: runway end elevation: none -> 1405 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"1405"}]},{"cycle":"2026-02-19","from_cycle":"2026-01-22","id":"ef42589614cd","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: runway end elevation: none -> 1411 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"1411"}]}],"first_cycle":"2026-02-19","last_cycle":"2026-02-19"}