{"schema_version":1,"airport":"4R9","entries":[{"cycle":"2026-04-16","from_cycle":"2026-03-19","id":"cc32c610b0ce","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: APCH SLP 18:1 TO DSPLCD THR.","source":"APT_RMK","original":"APCH SLP 18:1 TO DSPLCD THR."},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"142f5c7cb08f","priority":"fyi","category":"runway","kind":"changed","summary":"runway 30: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: TREES -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":""},{"field":"CNTRLN_OFFSET","old":"216","new":""},{"field":"DIST_FROM_THR","old":"979","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"12","new":"20"},{"field":"OBSTN_HGT","old":"61","new":""},{"field":"OBSTN_TYPE","old":"TREES","new":""}]}],"first_cycle":"2024-12-26","last_cycle":"2026-04-16"}