{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"4B7","counts":{"action":0,"ifr":0,"fyi":5},"changes":[{"id":"bbb78d145b67","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Controlling obstruction exceeds a 45 degree slope. Runway 16 slope 6:1 to displaced runway threshold due to 50 foot tree, 325 feet from displaced runway threshold, 48 feet L.","source":"APT_RMK","original":"CTLNG OBSTN EXCEEDS A 45 DEGREE SLP. RWY 16 SLOPE 6:1 TO DTHR DUE TO 50FT TREE, 325FT FM DTHR, 48 FT L.","fields":[{"field":"REMARK","old":"RWY 16 CLNC SLOPE 7:1 TO DTHR DUE TO +77 FT TREE 550 FT FM DTHR, 57 FT LEFT.","new":"CTLNG OBSTN EXCEEDS A 45 DEGREE SLP. RWY 16 SLOPE 6:1 TO DTHR DUE TO 50FT TREE, 325FT FM DTHR, 48 FT L."}]},{"id":"b4df2eaff38e","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Runway 16 has 15 foot road, parallel to runway, 65 feet right; 42 foot tree, 169 feet from runway, 108 feet left; 10 foot private road parallel to runway end, 62 feet left.","source":"APT_RMK","original":"RWY 16 HAS 15 FT ROAD, PARL TO RWY, 65 FT RIGHT;  42 FT TREE, 169 FT FM RWY, 108 FT LEFT; 10FT PVT ROAD PARL TO RWY END, 62 FT LEFT.","fields":[{"field":"REMARK","old":"RWY 16 HAS +15 FT ROAD, PARL TO RWY, 65 FT RIGHT.  +42 FT TREE, 169 FT FM RWY, 108 FT LEFT.","new":"RWY 16 HAS 15 FT ROAD, PARL TO RWY, 65 FT RIGHT;  42 FT TREE, 169 FT FM RWY, 108 FT LEFT; 10FT PVT ROAD PARL TO RWY END, 62 FT LEFT."}]},{"id":"9b3850272450","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: runway 34 has 15 foot terrain, 0 to 200 foot from runway end, 40 foot right; 64 foot tree 190 foot from runway end, 123 foot left.","source":"APT_RMK","original":"RWY 34 HAS 15 FT TRRN, 0 TO 200 FT FM RWY END, 40 FT RIGHT; 64 FT TREE 190 FT FM RWY END, 123 FT LEFT.","fields":[{"field":"REMARK","old":"RWY 34 HAS +15 FT TRRN, 0 TO 200 FT FM RWY END, 40 FT RIGHT.","new":"RWY 34 HAS 15 FT TRRN, 0 TO 200 FT FM RWY END, 40 FT RIGHT; 64 FT TREE 190 FT FM RWY END, 123 FT LEFT."}]},{"id":"c0bf373b0f44","priority":"fyi","category":"runway","kind":"changed","summary":"runway 16: controlling obstacle: ROAD 15 ft tall, 200 ft from threshold, 0 ft either side of centerline -> ROAD 50 ft tall, 225 ft from threshold, 48 ft left of centerline","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":"L"},{"field":"CNTRLN_OFFSET","old":"0","new":"48"},{"field":"DIST_FROM_THR","old":"200","new":"225"},{"field":"OBSTN_HGT","old":"15","new":"50"}]},{"id":"384899f70608","priority":"fyi","category":"runway","kind":"changed","summary":"runway 34: controlling obstacle: TREES 66 ft tall, 301 ft from threshold, 108 ft right of centerline -> TREES 99 ft tall, 365 ft from threshold, 140 ft right of centerline","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"108","new":"140"},{"field":"DIST_FROM_THR","old":"301","new":"365"},{"field":"OBSTN_HGT","old":"66","new":"99"}]}]}