{"schema_version":1,"airport":"LWT","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"6adbc70351c8","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.6 via the Lewistown outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"e4e00dda97a4","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.","source":"APT_RMK","original":"FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC SALT LAKE ARTCC AT 801-320-2568.","new":"FOR CD CTC SALT LAKE ARTCC AT 801-320-2568."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"af4bd9b998da","priority":"fyi","category":"remark","kind":"added","summary":"new remark: LOOSE GRAVEL SFC.","source":"APT_RMK","original":"LOOSE GRAVEL SFC."},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"84c3ae9a528f","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 03/21 ASPH SPALLING.","source":"APT_RMK","original":"RWY 03/21 ASPH SPALLING.","fields":[{"field":"REMARK","old":"RY 03/21 ASPH SPALLING.","new":"RWY 03/21 ASPH SPALLING."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"9f6292fbbfbe","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: RWY 03/21 MRKGS FADED.","source":"APT_RMK","original":"RWY 03/21 MRKGS FADED.","fields":[{"field":"REMARK","old":"RY 03/21 MARKINGS FADED.","new":"RWY 03/21 MRKGS FADED."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"e7a71b3ebe39","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03/21: surface: asphalt or bituminous concrete (ASPH) -> ASPH-GRVL","source":"APT_RWY","fields":[{"field":"SURFACE_TYPE_CODE","old":"ASPH","new":"ASPH-GRVL"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"3048f0c0cbd1","priority":"fyi","category":"runway","kind":"changed","summary":"runway 08: controlling obstacle changed (now , clearance slope 34:1)","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"50","new":"34"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"63e041e89fe7","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: BLDG -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":""},{"field":"CNTRLN_OFFSET","old":"0","new":""},{"field":"DIST_FROM_THR","old":"1620","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"41","new":"20"},{"field":"OBSTN_HGT","old":"34","new":""},{"field":"OBSTN_TYPE","old":"BLDG","new":""}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"e1ad2b46eac2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 26: controlling obstacle changed (now , clearance slope 34:1)","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"50","new":"34"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"11fcc9f36cad","priority":"fyi","category":"runway","kind":"changed","summary":"runway 31: controlling obstacle changed (now , clearance slope 20:1)","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"50","new":"20"}]}],"first_cycle":"2026-01-22","last_cycle":"2026-09-03"}