{"schema_version":1,"from_cycle":"2026-10-29","to_cycle":"2026-11-26","airport":"N72","counts":{"action":0,"ifr":0,"fyi":6},"changes":[{"id":"a19569d82c08","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03L: obstacle clearance slope: 0:1 -> 1:1","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"0","new":"1"}]},{"id":"51214049a074","priority":"fyi","category":"runway","kind":"changed","summary":"runway 03R: controlling obstacle: TREE 93 ft tall, 1249 ft from threshold, 65 ft right of centerline -> TREE 94 ft tall, 1250 ft from threshold, 44 ft right of centerline","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"65","new":"44"},{"field":"DIST_FROM_THR","old":"1249","new":"1250"},{"field":"OBSTN_HGT","old":"93","new":"94"}]},{"id":"0b987d6c5e06","priority":"fyi","category":"runway","kind":"changed","summary":"runway 08: controlling obstacle: TREE 60 ft tall, 77 ft from threshold, 64 ft left of centerline -> TREE 123 ft tall, 1942 ft from threshold, 136 ft left of centerline; obstacle clearance slope: 1:1 -> 15:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"64","new":"136"},{"field":"DIST_FROM_THR","old":"77","new":"1942"},{"field":"OBSTN_CLNC_SLOPE","old":"1","new":"15"},{"field":"OBSTN_HGT","old":"60","new":"123"}]},{"id":"9aa618ad2c46","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21L: controlling obstacle: TREES 61 ft tall, 694 ft from threshold, 0 ft right of centerline -> TREES 73 ft tall, 542 ft from threshold, 115 ft left of centerline; obstacle clearance slope: 8:1 -> 4:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"R","new":"L"},{"field":"CNTRLN_OFFSET","old":"0","new":"115"},{"field":"DIST_FROM_THR","old":"694","new":"542"},{"field":"OBSTN_CLNC_SLOPE","old":"8","new":"4"},{"field":"OBSTN_HGT","old":"61","new":"73"}]},{"id":"f77bfc705df3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 21R: obstacle clearance slope: 0:1 -> 1:1","source":"APT_RWY_END","fields":[{"field":"OBSTN_CLNC_SLOPE","old":"0","new":"1"}]},{"id":"5d92cf394e87","priority":"fyi","category":"runway","kind":"changed","summary":"runway 26: controlling obstacle: TREE 52 ft tall, 158 ft from threshold, 99 ft right of centerline -> TREE 51 ft tall, 62 ft from threshold, 111 ft right of centerline; obstacle clearance slope: 3:1 -> 1:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"99","new":"111"},{"field":"DIST_FROM_THR","old":"158","new":"62"},{"field":"OBSTN_CLNC_SLOPE","old":"3","new":"1"},{"field":"OBSTN_HGT","old":"52","new":"51"}]}]}