{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"PWK","counts":{"action":0,"ifr":0,"fyi":7},"changes":[{"id":"a4ac95854e39","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager address: 1020 S. PLANT ROAD -> 1020 PLANT RD; airport manager zip+4: none -> 6312","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"1020 S. PLANT ROAD","new":"1020 PLANT RD"},{"field":"ZIP_PLUS_FOUR","old":"","new":"6312"}]},{"id":"8adafd1d7806","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner address: 1020 S. PLANT ROAD -> 1020 PLANT RD; airport owner zip+4: none -> 6312","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"1020 S. PLANT ROAD","new":"1020 PLANT RD"},{"field":"ZIP_PLUS_FOUR","old":"","new":"6312"}]},{"id":"e5d5ecb11133","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: +6 foot fence 0 feet from threshold; +20 foot trees 0 feet & 50 feet from threshold; 15 feet road. +25 foot hangar 0 feet from threshold.","source":"APT_RMK","original":"+6 FT FENCE 0 FT FM THR; +20 FT TREES 0 FT & 50 FT FM THR; 15 FT ROAD. +25 FT HNGR 0 FT FM THR.","fields":[{"field":"REMARK","old":"+6 FT FENCE 0 FT FM THR; +20 FT TREES 0 FT & 50 FT FM THR; 15 FT ROAD.","new":"+6 FT FENCE 0 FT FM THR; +20 FT TREES 0 FT & 50 FT FM THR; 15 FT ROAD. +25 FT HNGR 0 FT FM THR."}]},{"id":"c9e8380f2b92","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Approach ratio 8:1 at Displaced runway threshold.","source":"APT_RMK","original":"APCH RATIO 8:1 AT DTHR.","fields":[{"field":"REMARK","old":"APCH RATIO 21:1 AT DTHR.","new":"APCH RATIO 8:1 AT DTHR."}]},{"id":"8d80465b67b1","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Taxiway P, Q & T edge light NA; reflectors only.","source":"APT_RMK","original":"TWY P, Q & T EDGE LGT NA; REFLECTORS ONLY.","untranslated":"NA is left as the FAA wrote it: it can mean not authorized or not available, and Amend doesn't guess which.","fields":[{"field":"REMARK","old":"TWY F, P, Q & T EDGE LGT NA; REFLECTORS ONLY.","new":"TWY P, Q & T EDGE LGT NA; REFLECTORS ONLY."}]},{"id":"f60353e1e3a7","priority":"fyi","category":"chart","kind":"changed","summary":"hot spot page (HOT SPOT) changed","source":"D-TPP","chart":{"code":"HOT","name":"HOT SPOT","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2611/EC3HOTSPOT.PDF"}},{"id":"f69bc1e53fbd","priority":"fyi","category":"chart","kind":"changed","summary":"airport diagram changed","source":"D-TPP","chart":{"code":"APD","name":"AIRPORT DIAGRAM","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2611/05028AD.PDF"}}]}