{"schema_version":1,"airport":"C43","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"f46d0f1d3444","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Airport closed December through March and when snow covered.","source":"APT_RMK","original":"ARPT CLSD DEC-MAR AND WHEN SN COVD.","fields":[{"field":"REMARK","old":"ARPT CLSD DEC-MAR & WHEN SNOW COVD.","new":"ARPT CLSD DEC-MAR AND WHEN SN COVD."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"99bd9d3d7eee","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Deer, birds, and wildlife on and in vicinity of airport.","source":"APT_RMK","original":"DEER, BIRDS, & WILDLIFE ON & INVOF ARPT.","fields":[{"field":"REMARK","old":"DEER ON & INVOF RWY.","new":"DEER, BIRDS, & WILDLIFE ON & INVOF ARPT."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"09b3c6509026","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: The area 125 feet either side of runway centerline is clear of obstructions; both runway ends are to be relocated and crops limited to no closer than 125 feet from runway centerline; obstructions in runway approach slope surface are removed, lowered, or threshold displaced and marked to provide minimum 20:1 approach clearance over obstructions.","source":"APT_RMK","original":"PRVDD AREA 125 FT EITHER SIDE OF RWY CNTRLN IS CLEAR OF OBSTNS; BOTH RWY ENDS TO BE RELCTD & CROPS LTD TO NO CLOSER THAN 125 FT FM RWY CNTRLN; OBSTNS IN RWY APCH SLP SFC REMOVED/LWRD OR THR DSPLCD & MKD TO PRVD MNM 20:1 APCH CLNC OVR OBSTNS.","fields":[{"field":"REMARK","old":"PRVDD AREA 125 FT EITHER SIDE OF RWY CNTRLN IS CLEAR OF OBSTN; BOTH RWY ENDS TO BE RELOCATED & CROPS LIMITED TO NO CLOSER THAN 125 FT FROM RWY CNTRLN; OBSTN IN RWY APCH SLOPE SFC REMOVED/LOWERED OR THR DSPLCD & MKD TO PRVD MNM 20:1 APCH CLNC OVR OBSTN.","new":"PRVDD AREA 125 FT EITHER SIDE OF RWY CNTRLN IS CLEAR OF OBSTNS; BOTH RWY ENDS TO BE RELCTD & CROPS LTD TO NO CLOSER THAN 125 FT FM RWY CNTRLN; OBSTNS IN RWY APCH SLP SFC REMOVED/LWRD OR THR DSPLCD & MKD TO PRVD MNM 20:1 APCH CLNC OVR OBSTNS."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"eb77d2d49317","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09/27: pavement condition: good -> fair","source":"APT_RWY","fields":[{"field":"COND","old":"GOOD","new":"FAIR"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"57081862bcac","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09: controlling obstacle: none listed -> CROPS 8 ft tall, 39 ft from threshold, 125 ft off centerline; obstacle clearance slope: 20:1 -> 4:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L/R"},{"field":"CNTRLN_OFFSET","old":"","new":"125"},{"field":"DIST_FROM_THR","old":"","new":"39"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"4"},{"field":"OBSTN_HGT","old":"","new":"8"},{"field":"OBSTN_TYPE","old":"","new":"CROPS"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"8aa68f6ee5dc","priority":"fyi","category":"airport","kind":"changed","summary":"sectional chart: CHICAGO -> DETROIT; direction from the city's business district: NE -> ENE; distance from the city's business district: 2 -> 1","source":"APT_BASE","fields":[{"field":"CHART_NAME","old":"CHICAGO","new":"DETROIT"},{"field":"DIRECTION_CODE","old":"NE","new":"ENE"},{"field":"DIST_CITY_TO_AIRPORT","old":"2","new":"1"}]}],"first_cycle":"2026-10-01","last_cycle":"2026-10-01"}