{"schema_version":1,"airport":"M61","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"d143921133d9","priority":"action","category":"remark","kind":"changed","summary":"revised remark: A 419-foot lighted tower is located 6100 feet south of the airport and 600 feet east of runway 18/36 extended centerline.","source":"APT_RMK","original":"419 FT LGTD TWR LCTD 6100 FT SOUTH OF ARPT & 600 FT EAST OF RWY 18/36 EXTDD CNTRLN.","fields":[{"field":"REMARK","old":"419 FT LGTD TWR LCTD 6100 FT SOUTH OF ARPT & 600 FT RIGHT OF RWY 18/36 EXTDD CNTRLN.","new":"419 FT LGTD TWR LCTD 6100 FT SOUTH OF ARPT & 600 FT EAST OF RWY 18/36 EXTDD CNTRLN."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"848926bab9b4","priority":"fyi","category":"airport","kind":"changed","summary":"direction from the city's business district: SW -> SSW","source":"APT_BASE","fields":[{"field":"DIRECTION_CODE","old":"SW","new":"SSW"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"a184450d4a5b","priority":"fyi","category":"remark","kind":"added","summary":"new airport transient tie-down storage remark: Ropes not provided.","source":"APT_RMK","original":"ROPES NOT PRVDD."},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"e9a1b51fabdf","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."},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"532e208e35e2","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Airport closed December through April and when snow covered.","source":"APT_RMK","original":"ARPT CLSD DEC-APR AND WHEN SN COVD.","fields":[{"field":"REMARK","old":"ARPT CLSD DEC-APR & WHEN SNOW COVD.","new":"ARPT CLSD DEC-APR AND WHEN SN COVD."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"c8c52d78be91","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Controlling obstruction exceeds a 45 degree slope; approach slope 0:1 to displaced threshold over 40 foot trees, 0 feet distance, 125 feet right.","source":"APT_RMK","original":"CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH SLP 0:1 TO DTHR OVR 40 FT TREES, 0 FT DIST, 125 FT R.","fields":[{"field":"REMARK","old":"CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH RATIO 13:1 TO DTHR OVR 73 FT TREES, 968 FT DIST.","new":"CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH SLP 0:1 TO DTHR OVR 40 FT TREES, 0 FT DIST, 125 FT R."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"61b71024bd74","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Controlling obstruction exceeds a 45 degree slope; approach slope 0:1 to displaced threshold over 43 foot trees, 0 feet distance, 125 feet right.","source":"APT_RMK","original":"CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH SLP 0:1 TO DTHR OVR 43 FT TREES, 0 FT DIST, 125 FT R.","fields":[{"field":"REMARK","old":"CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH RATIO 12:1 TO DTHR OVR 60 FT TREES, 728 FT DIST.","new":"CTLG OBSTN EXCEEDS A 45 DEG SLP. APCH SLP 0:1 TO DTHR OVR 43 FT TREES, 0 FT DIST, 125 FT R."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"9370b39a730d","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18/36: pavement condition: fair -> poor","source":"APT_RWY","fields":[{"field":"COND","old":"FAIR","new":"POOR"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"98c424db19c4","priority":"fyi","category":"runway","kind":"changed","summary":"runway 18: controlling obstacle: TREES 40 ft tall, 17 ft from threshold, 125 ft left of centerline -> TREES 44 ft tall, 0 ft from threshold, 125 ft left of centerline","source":"APT_RWY_END","fields":[{"field":"DIST_FROM_THR","old":"17","new":"0"},{"field":"OBSTN_HGT","old":"40","new":"44"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"6e53f72ee7fe","priority":"fyi","category":"runway","kind":"changed","summary":"runway 36: controlling obstacle: TREES 38 ft tall, 0 ft from threshold, 125 ft left of centerline -> BRUSH 8 ft tall, 0 ft from threshold, 95 ft left of centerline","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"125","new":"95"},{"field":"OBSTN_HGT","old":"38","new":"8"},{"field":"OBSTN_TYPE","old":"TREES","new":"BRUSH"}]}],"first_cycle":"2026-10-01","last_cycle":"2026-10-01"}