{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"1S1","counts":{"action":0,"ifr":0,"fyi":4},"changes":[{"id":"b4468f257760","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager address: BOX 7129 -> PO BOX 7129","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"BOX 7129","new":"PO BOX 7129"}]},{"id":"138be4fd28ec","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner address: BOX 7129 -> PO BOX 7129","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"BOX 7129","new":"PO BOX 7129"}]},{"id":"cb723e504dcc","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: 25 foot helicopter operations farm poles located adjacent to both sides of runway.","source":"APT_RMK","original":"25 FT HOP FARM POLES LCTD ADJ TO BOTH SIDES OF RWY.","fields":[{"field":"REMARK","old":"+25' HOP POLES LOCATED ADJACENT TO BOTH SIDES OF RWY.","new":"25 FT HOP FARM POLES LCTD ADJ TO BOTH SIDES OF RWY."}]},{"id":"d6078b438df6","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Numerous obstructions in approach to runway 15: 50 foot - 75 foot trees at 675 feet on centerline; 50 foot power line at 1200 feet on centerline.","source":"APT_RMK","original":"NMRS OBSTNS IN APCH TO RWY 15: 50 FT - 75 FT TREES AT 675 FT ON CNTRLN; 50 FT PLINE AT 1200 FT ON CNTRLN.","fields":[{"field":"REMARK","old":"NMRS OBSTNS IN APCH TO RWY 15: 50 FT - 75 FT + TREES AT 675 FT ON CNTRLN; 40 FT PWR LINE AT 1200 FT ON CNTRLN.","new":"NMRS OBSTNS IN APCH TO RWY 15: 50 FT - 75 FT TREES AT 675 FT ON CNTRLN; 50 FT PLINE AT 1200 FT ON CNTRLN."}]}]}