{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"57B","counts":{"action":0,"ifr":0,"fyi":8},"changes":[{"id":"e2f3dfd4023d","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager zip+4: none -> 0076","source":"APT_CON","fields":[{"field":"ZIP_PLUS_FOUR","old":"","new":"0076"}]},{"id":"984b21f1d88a","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner city: ISLEBORO -> ISLESBORO; airport owner zip+4: none -> 0076","source":"APT_CON","fields":[{"field":"TITLE_CITY","old":"ISLEBORO","new":"ISLESBORO"},{"field":"ZIP_PLUS_FOUR","old":"","new":"0076"}]},{"id":"d98a05dc43f4","priority":"fyi","category":"remark","kind":"added","summary":"new runway 19 controlling obstacle clearance slope remark: runway surrounded by 70-90 foot trees.","source":"APT_RMK","original":"RWY SRNDD BY 70-90 FT TREES."},{"id":"553a1a01d95b","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: 15 foot RD, 150 feet distance, 123 foot R","source":"APT_RMK","original":"15 FT RD, 150 FT DSTC, 123FT R","fields":[{"field":"REMARK","old":"10 FT ROAD, 107 FT R OF CNTRLN; 45 FT TREES 100-200 FT FM THR, 120 FT R OF CNTRLN; 10-20 FT BRUSH 100-200 FT FM THR, 105 FT L OF CNTRLN.","new":"15 FT RD, 150 FT DSTC, 123FT R"}]},{"id":"45743e844094","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: 50 foot trees, 0-199 feet distance, 115 foot B.","source":"APT_RMK","original":"50 FT TREES, 0-199 FT DSTC, 115 FT B.","fields":[{"field":"REMARK","old":"35-45 FT TREES, 0- 200 FT FM THR, 90-125 FT L OF CNTRLN AND 120-125 FT L AND R OF CNTRLN.","new":"50 FT TREES, 0-199 FT DSTC, 115 FT B."}]},{"id":"c65993991b39","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Helipad: Northwest corner of ramp. Recommend ingress 200 degree; egress 020 degree.","source":"APT_RMK","original":"HELIPAD: NW CORNER OF RAMP. RCMD INGRESS 200 DEG;EGRESS 020 DEG.","fields":[{"field":"REMARK","old":"HELIPAD: NW CORNER OF RAMP.","new":"HELIPAD: NW CORNER OF RAMP. RCMD INGRESS 200 DEG;EGRESS 020 DEG."}]},{"id":"7588dd76e222","priority":"fyi","category":"runway","kind":"changed","summary":"runway 01: controlling obstacle: TREES 50 ft tall, 201 ft from threshold, 90 ft off centerline -> TREES 70 ft tall, 201 ft from threshold, 90 ft off centerline","source":"APT_RWY_END","fields":[{"field":"OBSTN_HGT","old":"50","new":"70"}]},{"id":"2be0aa1631d2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 19: controlling obstacle: ROAD 10 ft tall, 201 ft from threshold, 107 ft right of centerline -> ROAD 15 ft tall, 201 ft from threshold, 110 ft right of centerline","source":"APT_RWY_END","fields":[{"field":"CNTRLN_OFFSET","old":"107","new":"110"},{"field":"OBSTN_HGT","old":"10","new":"15"}]}]}