{"schema_version":1,"airport":"U61","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"f1126dca3eb8","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: ADDNL OBSTN +300 MTN 1100 FT FM THR ON CNTRLN; 14 FT ROAD 100 FT FM THR ON CNTRLN.","source":"APT_RMK","original":"ADDNL OBSTN +300 MTN 1100 FT FM THR ON CNTRLN; 14 FT ROAD 100 FT FM THR ON CNTRLN.","fields":[{"field":"REMARK","old":"ADDNL OBSTN +500 MTN 1300 FT FM THR ON CNTRLN; 14 FT ROAD 100 FT FM THR ON CNTRLN.","new":"ADDNL OBSTN +300 MTN 1100 FT FM THR ON CNTRLN; 14 FT ROAD 100 FT FM THR ON CNTRLN."}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"34944126ce02","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle changed (now 300 ft tall, 1100 ft from threshold, 0 ft either side of centerline, clearance slope 3:1)","source":"APT_RWY_END","fields":[{"field":"DIST_FROM_THR","old":"1300","new":"1100"},{"field":"OBSTN_CLNC_SLOPE","old":"2","new":"3"},{"field":"OBSTN_HGT","old":"500","new":"300"}]}],"first_cycle":"2026-09-03","last_cycle":"2026-09-03"}