{"schema_version":1,"airport":"4F9","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"da9eab273735","priority":"fyi","category":"airport","kind":"changed","summary":"airport manager zip+4: none -> 9431","source":"APT_CON","fields":[{"field":"ZIP_PLUS_FOUR","old":"","new":"9431"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"fdfd076ef811","priority":"fyi","category":"airport","kind":"changed","summary":"airport owner zip+4: none -> 9431","source":"APT_CON","fields":[{"field":"ZIP_PLUS_FOUR","old":"","new":"9431"}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"037ddfad69cc","priority":"fyi","category":"remark","kind":"added","summary":"new attendance schedule remark: Contact airport manager at 701-883-5047.","source":"APT_RMK","original":"CTC AMGR 701-883-5047."},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"a88c9e0717e7","priority":"fyi","category":"remark","kind":"added","summary":"new runway 34 controlling obstacle remark: Runway 34 12 foot above ground level mobile irrigator W of runway swings into approach 15:1 clearance slope.","source":"APT_RMK","original":"RWY 34 12 FT AGL MOBILE IRRIGATOR W OF RWY SWINGS INTO APCH 15:1 CLNC SLP."},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"877b98b8a813","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Confirm winter conditions and snow removal with airport manager 701-883-5047.","source":"APT_RMK","original":"CFM WINTER CONDS AND SN REMOVAL WITH AMGR 701-883-5047.","fields":[{"field":"REMARK","old":"CONFIRM WINTER CONDS & SNOW REMOVAL WITH AMGR.","new":"CFM WINTER CONDS AND SN REMOVAL WITH AMGR 701-883-5047."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"7e5412f5f987","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Irrigation sprinkler pivot system 160 feet east centerline runway 16/34 at 14 feet above ground level violates 7:1 TRANS surface.","source":"APT_RMK","original":"IRRIGATION SPRINKLER PIVOT SYS 160 FT E CNTRLN RWY 16/34 AT 14 FT AGL VIOLATES 7:1 TRANS SFC.","fields":[{"field":"REMARK","old":"IRRIGATION SPRINKLER PIVOT SYSTEM 160 FT E CNTRLN RWY 16/34 AT 14 FT AGL VIOLATES 7:1 TRANS SFC.","new":"IRRIGATION SPRINKLER PIVOT SYS 160 FT E CNTRLN RWY 16/34 AT 14 FT AGL VIOLATES 7:1 TRANS SFC."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"a30c84ae1679","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Mobile irrigator 14 feet above ground level east of runway swings into approach with 0:1 clearance slope.","source":"APT_RMK","original":"14 FT AGL MOBILE IRRIGATOR E OF RWY SWINGS INTO APCH 0:1 CLNC SLP.","fields":[{"field":"REMARK","old":"14 FT AGL MOBILE IRRIGATOR E OF RWY SWINGS INTO APCH 0:1 CLNC SLOPE.","new":"14 FT AGL MOBILE IRRIGATOR E OF RWY SWINGS INTO APCH 0:1 CLNC SLP."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"38c573789fb5","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Non-standard low intensity lights, non-standard low intensity lights.","source":"APT_RMK","original":"NSTD LOW INTENSITY LGTS.    NSTD LOW INTST LGTS.","fields":[{"field":"REMARK","old":"NSTD LOW INTENSITY LGTS.","new":"NSTD LOW INTENSITY LGTS.    NSTD LOW INTST LGTS."}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"6432515944f4","priority":"fyi","category":"runway","kind":"changed","summary":"runway 16: controlling obstacle: OTHER 14 ft tall, 200 ft from threshold, 120 ft left of centerline -> none listed; obstacle clearance slope: 0:1 -> 20:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"L","new":""},{"field":"CNTRLN_OFFSET","old":"120","new":""},{"field":"DIST_FROM_THR","old":"200","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"0","new":"20"},{"field":"OBSTN_HGT","old":"14","new":""},{"field":"OBSTN_TYPE","old":"OTHER","new":""}]},{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"c9abc6a5e395","priority":"fyi","category":"runway","kind":"changed","summary":"runway 34: controlling obstacle: none listed -> OTHER 12 ft tall, 390 ft from threshold, 145 ft left of centerline; obstacle clearance slope: 20:1 -> 15:1","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"145"},{"field":"DIST_FROM_THR","old":"","new":"390"},{"field":"OBSTN_CLNC_SLOPE","old":"20","new":"15"},{"field":"OBSTN_HGT","old":"","new":"12"},{"field":"OBSTN_TYPE","old":"","new":"OTHER"}]}],"first_cycle":"2026-10-01","last_cycle":"2026-10-01"}