{"schema_version":1,"airport":"4D9","entries":[{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"69be72270753","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: POLE IN RWY 35 APRCH: 19 FT ABV;  813 FT OUT;  326 FT L; GIVING 32:1 CLNC SLOPE.","source":"APT_RMK","original":"POLE IN RWY 35 APRCH: 19 FT ABV;  813 FT OUT;  326 FT L; GIVING 32:1 CLNC SLOPE."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"3b98a1c1b33f","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: UNMARKED, UNLIGHTED TOWER 6NM NW OF ARPT @ 2458 MSL.","source":"APT_RMK","original":"UNMARKED, UNLIGHTED TOWER 6NM NW OF ARPT @ 2458 MSL."},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"11f525c93ce4","priority":"fyi","category":"runway","kind":"changed","summary":"runway 17: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: ROAD -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":""},{"field":"CNTRLN_OFFSET","old":"0","new":""},{"field":"DIST_FROM_THR","old":"567","new":""},{"field":"OBSTN_HGT","old":"18","new":""},{"field":"OBSTN_TYPE","old":"ROAD","new":""}]}],"first_cycle":"2025-09-04","last_cycle":"2025-09-04"}