{"schema_version":1,"airport":"DLN","entries":[{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"7246d071b19f","priority":"fyi","category":"airport","kind":"changed","summary":"airframe repair: major -> none; services: dropped charter service (CHTR), pilot instruction (INSTR), aircraft rental (RNTL), aircraft sales (SALES), annual surveying (SURV); engine repair: major -> none","source":"APT_BASE","fields":[{"field":"AIRFRAME_REPAIR_SER_CODE","old":"MAJOR","new":"NONE"},{"field":"OTHER_SERVICES","old":"CHTR,INSTR,RNTL,SALES,SURV","new":""},{"field":"PWR_PLANT_REPAIR_SER","old":"MAJOR","new":"NONE"}]},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"6055f1aa7130","priority":"fyi","category":"airport","kind":"changed","summary":"airport phone number changed to 406-660-1873; name changed: Randy Bailey -> Josiah Jones","source":"APT_CON","fields":[{"field":"NAME","old":"RANDY BAILEY","new":"JOSIAH JONES"},{"field":"PHONE_NO","old":"406-683-5242","new":"406-660-1873"}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"7e592f4320eb","priority":"action","category":"remark","kind":"removed","summary":"remark removed: ALL DEPARTURES PROHIBITED ON RWY 04 DUE TO RWY VISIBILITY BLOCKED BY HNGRS/BLDGS.","source":"APT_RMK","original":"ALL DEPARTURES PROHIBITED ON RWY 04 DUE TO RWY VISIBILITY BLOCKED BY HNGRS/BLDGS."},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"5addc648975d","priority":"fyi","category":"remark","kind":"added","summary":"new remark: DEP NA.","source":"APT_RMK","original":"DEP NA.","untranslated":"Kept in the FAA's words: NA can mean not authorized or not available, and Amend doesn't guess which."},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"d9df3e63be29","priority":"fyi","category":"remark","kind":"added","summary":"new remark: 1000 FT DSTC MKRS.","source":"APT_RMK","original":"1000 FT DSTC MKRS."},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"c31080bfc278","priority":"fyi","category":"remark","kind":"added","summary":"new remark: Runway visibility is blocked by hangars and buildings; confirm other aircraft and operations before takeoff.","source":"APT_RMK","original":"RWY VIS BLOCKED BY HNGRS & BLDGS; CFM OTR ACFT & OPS BFR TKOF."},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"7275834b57b7","priority":"fyi","category":"remark","kind":"added","summary":"new remark: The PAPI is unusable beyond 5.0 nautical miles.","source":"APT_RMK","original":"PAPI UNUSBL BYD 5.0 NM."},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"2433585b33ec","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: Runway visibility is blocked by hangars and buildings on runway 17; confirm presence of other aircraft prior to takeoff.","source":"APT_RMK","original":"RWY VISIBILITY BLOCKED BY HNGRS/BLDGS ON RWY 17; CONFIRM PRESENCE OF OTHER ACFT PRIOR TO TKOF."},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"b1329e34661f","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: After hours, contact the airport manager or call 406-250-5280.","source":"APT_RMK","original":"AFT HR - AMGR OR 406-250-5280.","fields":[{"field":"REMARK","old":"FOR ARPT ATTENDANT AFTER HRS CALL 406-683-5242 OR 406-250-5280.","new":"AFT HR - AMGR OR 406-250-5280."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"5ffe231f9e89","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 1000 FT DSTC MKRS.","source":"APT_RMK","original":"1000 FT DSTC MKRS.","fields":[{"field":"REMARK","old":"RWY 17 1000 FT DISTANCE MARKERS, RWY 35 1000 FT DISTANCE MARKERS.","new":"1000 FT DSTC MKRS."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"d60e864ddae6","priority":"fyi","category":"runway","kind":"changed","summary":"runway 17/35: surface treatment: no special surface treatment (NONE) -> saw-cut or plastic grooved (GRVD)","source":"APT_RWY","fields":[{"field":"TREATMENT_CODE","old":"NONE","new":"GRVD"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"e358ff29e1a3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 17: threshold crossing height: 37 -> 39 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"37","new":"39"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"db9cf1dc04a5","priority":"fyi","category":"runway","kind":"changed","summary":"runway 35: threshold crossing height: 24 -> 30 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"24","new":"30"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"64f5936a11b7","priority":"fyi","category":"airport","kind":"changed","summary":"landing fee now charged; fuel: added Jet A, kerosene, with FS-II (A+); services: added aircraft sales (SALES)","source":"APT_BASE","fields":[{"field":"FUEL_TYPES","old":"100LL,A","new":"100LL,A,A+"},{"field":"LNDG_FEE_FLAG","old":"N","new":"Y"},{"field":"OTHER_SERVICES","old":"CHTR,INSTR,RNTL,SURV","new":"CHTR,INSTR,RNTL,SALES,SURV"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"395161255cd3","priority":"fyi","category":"runway","kind":"changed","summary":"runway 17/35: pavement now in excellent condition","source":"APT_RWY","fields":[{"field":"COND","old":"GOOD","new":"EXCELLENT"}]}],"first_cycle":"2024-09-05","last_cycle":"2026-06-11"}