{"schema_version":1,"airport":"CO12","entries":[{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"3ec7551599d7","priority":"action","category":"remark","kind":"changed","summary":"remark updated: ACTVT MIRL RY 12/30 - CTAF.","source":"APT_RMK","original":"ACTVT MIRL RY 12/30 - CTAF.","fields":[{"field":"REMARK","old":"ACTVT MIRL RY 12/30 - 122.9.","new":"ACTVT MIRL RY 12/30 - CTAF."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"9a671d921f64","priority":"action","category":"frequency","kind":"changed","summary":"remark: none -> ACTVT MIRL RY 12/30 - CTAF.","source":"FRQ","fields":[{"field":"REMARK","old":"","new":"ACTVT MIRL RY 12/30 - CTAF."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"8adca9312a45","priority":"action","category":"runway","kind":"changed","summary":"runway 12/30: length: 3700 -> 3681 ft","source":"APT_RWY","fields":[{"field":"RWY_LEN","old":"3700","new":"3681"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"d2d6fe98610b","priority":"action","category":"runway","kind":"changed","summary":"runway 12: controlling obstacle changed (now , clearance slope 20:1); markings now in good condition; displaced threshold elevation: none -> 5038 ft MSL; displaced threshold: 331 -> 330 ft; controlling obstacle: none -> ROAD; runway end elevation: none -> 5035 ft MSL; markings: none -> basic (BSC); visual glide slope indicator: none -> 2-box VASI on left side of runway (V2L)","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"","new":"5038"},{"field":"DISPLACED_THR_LEN","old":"331","new":"330"},{"field":"OBSTN_CLNC_SLOPE","old":"","new":"20"},{"field":"OBSTN_TYPE","old":"","new":"ROAD"},{"field":"RWY_END_ELEV","old":"","new":"5035"},{"field":"RWY_MARKING_COND","old":"","new":"GOOD"},{"field":"RWY_MARKING_TYPE_CODE","old":"","new":"BSC"},{"field":"VGSI_CODE","old":"","new":"V2L"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"9a96beda4488","priority":"action","category":"runway","kind":"changed","summary":"runway 30: controlling obstacle changed (now , clearance slope 20:1); markings now in good condition; displaced threshold elevation: none -> 5058 ft MSL; displaced threshold: 294 -> 293 ft; controlling obstacle: none -> ROAD; runway end elevation: none -> 5061 ft MSL; markings: none -> basic (BSC); visual glide slope indicator: none -> 2-box VASI on left side of runway (V2L)","source":"APT_RWY_END","fields":[{"field":"DISPLACED_THR_ELEV","old":"","new":"5058"},{"field":"DISPLACED_THR_LEN","old":"294","new":"293"},{"field":"OBSTN_CLNC_SLOPE","old":"","new":"20"},{"field":"OBSTN_TYPE","old":"","new":"ROAD"},{"field":"RWY_END_ELEV","old":"","new":"5061"},{"field":"RWY_MARKING_COND","old":"","new":"GOOD"},{"field":"RWY_MARKING_TYPE_CODE","old":"","new":"BSC"},{"field":"VGSI_CODE","old":"","new":"V2L"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"240bac920780","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 720-263-1049","source":"APT_CON","fields":[{"field":"PHONE_NO","old":"303-378-2197","new":"720-263-1049"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"a36e4085f9c9","priority":"fyi","category":"airport","kind":"changed","summary":"contract fuel: none -> no","source":"APT_BASE","fields":[{"field":"CONTR_FUEL_AVBL","old":"","new":"N"}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"86ca67508ee8","priority":"fyi","category":"remark","kind":"added","summary":"new remark: FUEL AVBL FOR MEMBERS ONLY; CTC AMGR FOR ALT ARRANGEMENT.","source":"APT_RMK","original":"FUEL AVBL FOR MEMBERS ONLY; CTC AMGR FOR ALT ARRANGEMENT."},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"2fe819e6babb","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: RWY 12/30 SINGLE LGT VASI BOTH RWY APCHS.","source":"APT_RMK","original":"RWY 12/30 SINGLE LGT VASI BOTH RWY APCHS."},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"b72eeb3d644a","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: CTN: ARPT IN RESIDENTIAL SUBDIVISION. ROADS IN CLOSE PROXIMITY BOTH ENDS OF RWY.","source":"APT_RMK","original":"CTN: ARPT IN RESIDENTIAL SUBDIVISION. ROADS IN CLOSE PROXIMITY BOTH ENDS OF RWY.","fields":[{"field":"REMARK","old":"ARPT IN RESIDENTIAL SUBDIVISION. ROADS IN CLOSE PROXIMITY BOTH ENDS OF RWY.","new":"CTN: ARPT IN RESIDENTIAL SUBDIVISION. ROADS IN CLOSE PROXIMITY BOTH ENDS OF RWY."}]},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"028dcd754d57","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: PPR: USE OF RWY IS FOR MEMBER HOME OWNERS ONLY;  CTC AMGR FOR WAIVER AND INSTRUCTIONS. OTR CTC: VANAIRESKYPORT.ORG.","source":"APT_RMK","original":"PPR: USE OF RWY IS FOR MEMBER HOME OWNERS ONLY;  CTC AMGR FOR WAIVER AND INSTRUCTIONS. OTR CTC: VANAIRESKYPORT.ORG.","fields":[{"field":"REMARK","old":"PRIM USE OF RWY IS FOR HOME OWNERS AT ARPT. PPR FOR USE. CTC VANAIRESKYPORT.ORG FOR WAIVER AND INSTRUCTIONS.","new":"PPR: USE OF RWY IS FOR MEMBER HOME OWNERS ONLY;  CTC AMGR FOR WAIVER AND INSTRUCTIONS. OTR CTC: VANAIRESKYPORT.ORG."}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"f863eab3b972","priority":"action","category":"frequency","kind":"added","summary":"frequency 122.9 (CTAF) added","source":"FRQ"},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"fd03c5d210c6","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 303-378-2197; name changed: Brandon Jewett -> Jim Vyduna; airport contact zip code: 80601 -> 80603","source":"APT_CON","fields":[{"field":"NAME","old":"BRANDON JEWETT","new":"JIM VYDUNA"},{"field":"PHONE_NO","old":"303-521-3238","new":"303-378-2197"},{"field":"ZIP_CODE","old":"80601","new":"80603"}]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"64c61ec957cd","priority":"fyi","category":"runway","kind":"changed","summary":"runway 12/30: pavement now in good condition","source":"APT_RWY","fields":[{"field":"COND","old":"","new":"GOOD"}]}],"first_cycle":"2025-12-25","last_cycle":"2026-01-22"}