{"schema_version":1,"airport":"7M1","entries":[{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"a35dace0400c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: TREES -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":""},{"field":"CNTRLN_OFFSET","old":"300","new":""},{"field":"DIST_FROM_THR","old":"600","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"12","new":"20"},{"field":"OBSTN_HGT","old":"33","new":""},{"field":"OBSTN_TYPE","old":"TREES","new":""}]}],"first_cycle":"2026-06-11","last_cycle":"2026-06-11"}