{"schema_version":1,"from_cycle":"2026-10-01","to_cycle":"2026-10-29","airport":"58S","counts":{"action":2,"ifr":0,"fyi":9},"changes":[{"id":"570ce0ae16b6","priority":"action","category":"runway","kind":"changed","summary":"runway 10: displaced threshold: 278 ft -> none; runway end elevation: none -> 3052 ft MSL","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_LEN","old":"278","new":""},{"field":"RWY_END_ELEV","old":"","new":"3052"}]},{"id":"1d4bf8d1287c","priority":"action","category":"runway","kind":"changed","summary":"runway 11/29 -> 10/28 (renumbered) (2560x75 -> 2615x75 ft)","source":"APT_RWY","fields":[{"field":"RWY_ID","old":"11/29","new":"10/28"}]},{"id":"02213ec62302","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager address: PO BOX 200507 -> 2630 AIRPORT RD; airport manager: Tim Conway -> Karen Hallenbeck; airport manager zip code: 59620 -> 59601; airport manager zip+4: 0507 -> 1261","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"PO BOX 200507","new":"2630 AIRPORT RD"},{"field":"NAME","old":"TIM CONWAY","new":"KAREN HALLENBECK"},{"field":"ZIP_CODE","old":"59620","new":"59601"},{"field":"ZIP_PLUS_FOUR","old":"0507","new":"1261"}]},{"id":"e166ae4ccc1e","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner address: PO BOX 200507 -> 2630 AIRPORT RD; airport owner zip code: 59620 -> 59601; airport owner zip+4: 0507 -> 1261","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"PO BOX 200507","new":"2630 AIRPORT RD"},{"field":"ZIP_CODE","old":"59620","new":"59601"},{"field":"ZIP_PLUS_FOUR","old":"0507","new":"1261"}]},{"id":"791e97776e80","priority":"fyi","category":"remark","kind":"added","summary":"new runway 10 markings remark: Runway 10 marked with W cones.","source":"APT_RMK","original":"RWY 10 MKD WITH W CONES."},{"id":"53b81639b08c","priority":"fyi","category":"remark","kind":"added","summary":"new runway 28 markings remark: Runway 28 marked with W cones.","source":"APT_RMK","original":"RWY 28 MKD WITH W CONES."},{"id":"f7b5e761e21b","priority":"fyi","category":"remark","kind":"removed","summary":"removed runway 11 markings remark: Runway 11 marked with W cones.","source":"APT_RMK","original":"RWY 11 MKD WITH W CONES."},{"id":"f203230bc77e","priority":"fyi","category":"remark","kind":"removed","summary":"removed runway 29 markings remark: Runway 29 marked with W cones.","source":"APT_RMK","original":"RWY 29 MKD WITH W CONES."},{"id":"0d83648f2a3b","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Calm wind use runway 10; minimize pattern work.","source":"APT_RMK","original":"CALM WIND USE RWY 10; MINIMIZE PATTERN WORK.","fields":[{"field":"REMARK","old":"CALM WIND USE RWY 11; MINIMIZE PATTERN WORK.","new":"CALM WIND USE RWY 10; MINIMIZE PATTERN WORK."}]},{"id":"a3a7f32c2fd3","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Runway 10/28 trees, Runway Alignment Indicator Lights road and power lines in transitional surface full runway length on north side. May be gopher holes or irregular surface.","source":"APT_RMK","original":"RWY 10/28 TREES, RAIL ROAD  & P-LINES IN TRSNL SFC FULL RWY LEN ON NORTH SIDE. MAY BE GOPHER HOLES OR IREG SFC.","fields":[{"field":"REMARK","old":"RWY 11/29 TREES, RAIL ROAD  & P-LINES IN TRSNL SFC FULL RWY LEN ON N SIDE. MAY BE GOPHER HOLES OR IREG SFC.","new":"RWY 10/28 TREES, RAIL ROAD  & P-LINES IN TRSNL SFC FULL RWY LEN ON NORTH SIDE. MAY BE GOPHER HOLES OR IREG SFC."}]},{"id":"95f37374bfb2","priority":"fyi","category":"runway","kind":"changed","summary":"runway 28: runway end elevation: none -> 3069 ft MSL","source":"APT_RWY_END","fields":[{"field":"RWY_END_ELEV","old":"","new":"3069"}]}]}