{"schema_version":1,"from_cycle":"2026-09-03","to_cycle":"2026-10-01","airport":"IYS","counts":{"action":1,"ifr":0,"fyi":14},"changes":[{"id":"95876bf3a7cf","priority":"action","category":"remark","kind":"changed","summary":"revised remark: Activate precision approach path indicator on runway 04; medium-intensity runway lights on runways 04/22 by radio.","source":"APT_RMK","original":"ACTVT PAPI RWY 04; MIRL RWY 04/22 - CTAF.","fields":[{"field":"REMARK","old":"ACTVT REIL RWY 04 & 22; PAPI RWY 04; MIRL RWY 04/22 - CTAF.","new":"ACTVT PAPI RWY 04; MIRL RWY 04/22 - CTAF."}]},{"id":"f3149ed2cba1","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Cones and reflective threshold markers.","source":"APT_RMK","original":"CONES & REFLECTIVE THR MKRS."},{"id":"b02f997b3beb","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Only ski or tundra tire aircraft permitted; winter maintenance not authorized.","source":"APT_RMK","original":"SKI OR TUNDRA TIRE ACFT ONLY. WINTER MAINT NA."},{"id":"6fbc675a2048","priority":"fyi","category":"remark","kind":"removed","summary":"removed remark: Brush on the runway is up to 3 feet tall.","source":"APT_RMK","original":"BRUSH UP TO 3 FT TALL."},{"id":"38ba707b6125","priority":"fyi","category":"remark","kind":"removed","summary":"removed remark: No winter maintenance on runway 04S/22S.","source":"APT_RMK","original":"NO WINTER MAINT RY 04S/22S."},{"id":"9fa7b8cccdaf","priority":"fyi","category":"remark","kind":"removed","summary":"removed remark: Runway 04S/22S is for ski/tundra tire equipped aircraft.","source":"APT_RMK","original":"RY 04S/22S FOR SKI/TUNDRA TIRE EQUIPD ACFT."},{"id":"341664e68f4b","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Cones and reflective threshold markers.","source":"APT_RMK","original":"CONES & REFLECTIVE THR MKRS.","fields":[{"field":"REMARK","old":"RYS 04S & 22S NSTD MKGS; MKD WITH CONES & REFLECTIVE THLD MARKERS.","new":"CONES & REFLECTIVE THR MKRS."}]},{"id":"b4be9f5c34e5","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Restricted to aircraft with approach speeds less than 121 knots.","source":"APT_RMK","original":"RSTRD TO  ACFT WITH APCH SPEEDS LESS THAN 121 KTS.","fields":[{"field":"REMARK","old":"NUMEROUS PVT ARPTS AND LAKES IN VCNTY. ARPT RESTRICTED TO ACFT WITH APPROACH SPEEDS LESS THAN 121 KTS.","new":"RSTRD TO  ACFT WITH APCH SPEEDS LESS THAN 121 KTS."}]},{"id":"cd7b7b851879","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Runway condition is unmaintained; visual inspection is recommended before use.","source":"APT_RMK","original":"RWY COND UNMNT; RCMD VISUAL INSP BFR USE.","fields":[{"field":"REMARK","old":"RY CONDITION NOT MONITORED RECOMMEND VISUAL INSPECTION PRIOR TO USE.","new":"RWY COND UNMNT; RCMD VISUAL INSP BFR USE."}]},{"id":"ca15001b3da4","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Self-service fuel is available 24 hours.","source":"APT_RMK","original":"SELF SVC FUEL H24.","fields":[{"field":"REMARK","old":"SELF-SVC FUEL AVBL 24 HRS.","new":"SELF SVC FUEL H24."}]},{"id":"648f2eee2e04","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Simultaneous operations on runways 04/22 and 04S/22S are not authorized.","source":"APT_RMK","original":"SIMUL OPS RWY 04/22 & 04S/22S NA.","fields":[{"field":"REMARK","old":"NO SIMUL OPNS ON RY 04/22 & 04S/22S.","new":"SIMUL OPS RWY 04/22 & 04S/22S NA."}]},{"id":"5e6d5aca8a95","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Threshold panels.","source":"APT_RMK","original":"THR PANELS.","fields":[{"field":"REMARK","old":"NSTD MKGS; MKD WITH THLD PANELS.","new":"THR PANELS."}]},{"id":"d1c4869ae166","priority":"fyi","category":"remark","kind":"changed","summary":"revised remark: Ultralights operate on and in vicinity of and numerous airports and in vicinity of airport.","source":"APT_RMK","original":"ULTRALIGHTS ON & INVOF & NMRS ARPTS & SBP INVOF ARPT.","fields":[{"field":"REMARK","old":"ULTRALIGHTS ON AND IN VICINITY OF AIRPORT.","new":"ULTRALIGHTS ON & INVOF & NMRS ARPTS & SBP INVOF ARPT."}]},{"id":"cd6ac627f241","priority":"fyi","category":"runway","kind":"changed","summary":"runway 04: rwy end lgts flag: Y -> N","source":"APT_RWY_END","fields":[{"field":"RWY_END_LGTS_FLAG","old":"Y","new":"N"}]},{"id":"fa0497935b63","priority":"fyi","category":"runway","kind":"changed","summary":"runway 22: rwy end lgts flag: Y -> N","source":"APT_RWY_END","fields":[{"field":"RWY_END_LGTS_FLAG","old":"Y","new":"N"}]}]}