{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"41C","counts":{"action":0,"ifr":0,"fyi":11},"changes":[{"id":"ae69e91eead1","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner address: C/O PETE STEINBACHER -> 6041 GROEN CT; airport owner address line 2: 6041 GROEN CT -> none","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"C/O PETE STEINBACHER","new":"6041 GROEN CT"},{"field":"ADDRESS2","old":"6041 GROEN CT","new":""}]},{"id":"99bb549f9a17","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Deer, birds, and wildlife on and in vicinity of airport.","source":"APT_RMK","original":"DEER, BIRDS, & WILDLIFE ON & INVOF ARPT."},{"id":"109eea113114","priority":"fyi","category":"remark","kind":"added","summary":"new runway 09 controlling obstacle clearance slope remark: Controlling obstruction exceeds a 45 degree slope. Approach slope 0:1 to displaced runway threshold over +8 foot crops, 0 feet distance, 75 feet R.","source":"APT_RMK","original":"CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH SLP 0:1 TO DTHR OVR +8 FT CROPS, 0 FT DIST, 75 FT R."},{"id":"d4fd9173a25b","priority":"fyi","category":"remark","kind":"added","summary":"new runway 27 controlling obstacle clearance slope remark: A controlling obstacle exceeds a 45 degree slope.","source":"APT_RMK","original":"CTLG OBSTN EXCEEDS A 45 DEG SLP."},{"id":"5195d45be597","priority":"fyi","category":"remark","kind":"removed","summary":"removed airport manager contact remark: Assistant manager: Clarence Slaughter 616-813-8903.","source":"APT_RMK","original":"ASST MGR: CLARENCE SLAUGHTER 616-813-8903."},{"id":"fe1516577588","priority":"fyi","category":"remark","kind":"removed","summary":"removed airport manager contact remark: Cell.","source":"APT_RMK","original":"CELL."},{"id":"38e9b7f70d6c","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: No snow removal - contact airport manager to verify conditions.","source":"APT_RMK","original":"NO SN REMOVAL - CTC AMGR TO VFY CONDS.","fields":[{"field":"REMARK","old":"NO SNOW REMOVAL - CTC AMGR OR CALL ASST MGR AT 616-813-8903 TO VFY CONDS.","new":"NO SN REMOVAL - CTC AMGR TO VFY CONDS."}]},{"id":"1508c9ba1b34","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Soft when wet.","source":"APT_RMK","original":"SOFT WHEN WET.","fields":[{"field":"REMARK","old":"ROUGH & UNEVEN; SOFT WHEN WET.","new":"SOFT WHEN WET."}]},{"id":"b9370593ca0b","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09/27: pavement condition: fair -> good","source":"APT_RWY","fields":[{"field":"COND","old":"FAIR","new":"GOOD"}]},{"id":"0a0426213b6c","priority":"fyi","category":"runway","kind":"changed","summary":"runway 09: controlling obstacle: TREES 69 ft tall, 1120 ft from threshold, 0 ft either side of centerline -> CROPS 8 ft tall, 0 ft from threshold, 75 ft right of centerline; obstacle clearance slope: 16:1 -> 0:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":"R"},{"field":"CNTRLN_OFFSET","old":"0","new":"75"},{"field":"DIST_FROM_THR","old":"1120","new":"0"},{"field":"OBSTN_CLNC_SLOPE","old":"16","new":"0"},{"field":"OBSTN_HGT","old":"69","new":"8"},{"field":"OBSTN_TYPE","old":"TREES","new":"CROPS"}]},{"id":"38ff59e7aaea","priority":"fyi","category":"runway","kind":"changed","summary":"runway 27: controlling obstacle: TREES 47 ft tall, 424 ft from threshold, 125 ft left of centerline -> CROPS 8 ft tall, 0 ft from threshold, 75 ft left of centerline; obstacle clearance slope: 9:1 -> 0:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"125","new":"75"},{"field":"DIST_FROM_THR","old":"424","new":"0"},{"field":"OBSTN_CLNC_SLOPE","old":"9","new":"0"},{"field":"OBSTN_HGT","old":"47","new":"8"},{"field":"OBSTN_TYPE","old":"TREES","new":"CROPS"}]}]}