{"schema_version":1,"airport":"DEN","entries":[{"cycle":"2026-10-01","from_cycle":"2026-09-03","engine":"1.3.8","id":"518d95dc997b","priority":"fyi","category":"frequency","kind":"added","summary":"new flight service (FSS) 122.4 via the Denver outlet","source":"FRQ","fields":[{"field":"FACILITY","old":"","new":"DEN"},{"field":"FAC_NAME","old":"","new":"DENVER"},{"field":"FACILITY_TYPE","old":"","new":"RCO"},{"field":"ARTCC_OR_FSS_ID","old":"","new":"DEN"},{"field":"SERVICED_FACILITY","old":"","new":"DEN"},{"field":"SERVICED_FAC_NAME","old":"","new":"DENVER"},{"field":"SERVICED_SITE_TYPE","old":"","new":"RCO"},{"field":"SERVICED_CITY","old":"","new":"DENVER"},{"field":"SERVICED_STATE","old":"","new":"CO"},{"field":"SERVICED_COUNTRY","old":"","new":"US"},{"field":"TOWER_OR_COMM_CALL","old":"","new":"DENVER"},{"field":"FREQ","old":"","new":"122.4"},{"field":"FREQ_USE","old":"","new":"DENVER RCO"}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"25ec817e6460","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 changed","source":"PFR","details":["preferred IFR route CLT -> DEN is now: CLT BOBZY8 BNA FAM J112 BUM J110 GCK KIISS CLASH5 DEN"]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"b1ddf3e74594","priority":"ifr","category":"chart","kind":"changed","summary":"arrival LANDR THREE changed","source":"D-TPP","chart":{"code":"STR","name":"LANDR THREE","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/09077LANDR.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"e21fc6e970fe","priority":"ifr","category":"chart","kind":"changed","summary":"departure DENVER THREE changed","source":"D-TPP","chart":{"code":"DP","name":"DENVER THREE","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/09077DENVER.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"a2f13018b9f6","priority":"ifr","category":"chart","kind":"changed","summary":"departure PLAINS TWO changed","source":"D-TPP","chart":{"code":"DP","name":"PLAINS TWO","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/09077PLAINS.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"eeaa4c8a6d8f","priority":"ifr","category":"chart","kind":"changed","summary":"departure YELLOWSTONE FIVE changed","source":"D-TPP","chart":{"code":"DP","name":"YELLOWSTONE FIVE","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/09077YELLOWSTONE.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"75b7547494b5","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.4 via the Denver outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"beb437fc4231","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 127.05 no longer listed for PINNR STAR","source":"FRQ","fields":[{"field":"FREQ_USE","old":"PINNR STAR","new":""}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"4f49e2fda0e0","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 363.25 no longer listed for PINNR STAR","source":"FRQ","fields":[{"field":"FREQ_USE","old":"PINNR STAR","new":""}]},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"31c646efce2e","priority":"fyi","category":"chart","kind":"changed","summary":"airport diagram changed","source":"D-TPP","chart":{"code":"APD","name":"AIRPORT DIAGRAM","amdt":"","pdf":"https://aeronav.faa.gov/d-tpp/2609/09077AD.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"ae7861e9aefe","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 2 added, 3 changed, 2 removed","source":"PFR","details":["new preferred IFR route DJT -> DEN: DJT OLAKE4 JAYMC Y280 REDFN Q105 HRV J58 SPS TOTOE HALEN NIIXX4 DEN","new preferred IFR route DJT -> DEN: DJT TBIRD8 SMELZ Q116 MEMFS RZC PER GCK KIISS CLASH5 DEN","preferred IFR route BNA -> DEN is now: BNA PARDN5 NAKIY FAM J112 BUM J110 GCK KIISS CLASH5 DEN","preferred IFR route CLT -> DEN is now: CLT BOBZY7 BNA FAM J112 BUM J110 GCK KIISS CLASH5 DEN","preferred IFR route PBI -> DEN removed","preferred IFR route PWM -> DEN is now: PWM HSKEL4 BAUER HANAA Q816 HOCKE Q935 MONEE IANNA ONL PORDR AALLE4 DEN"]},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"1d970635b474","priority":"ifr","category":"chart","kind":"changed","summary":"approach ILS OR LOC RWY 25 redrawn (still amdt 3A)","source":"D-TPP","chart":{"code":"IAP","name":"ILS OR LOC RWY 25","amdt":"3A","pdf":"https://aeronav.faa.gov/d-tpp/2607/09077IL25.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"f7fee22e9f33","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) Y RWY 25 redrawn (still amdt 1B)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) Y RWY 25","amdt":"1B","pdf":"https://aeronav.faa.gov/d-tpp/2607/09077RY25.PDF"}},{"cycle":"2026-06-11","from_cycle":"2026-05-14","id":"ee64ce546eac","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25: threshold crossing height: 83 -> 71 ft AGL","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"83","new":"71"}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"d28600960136","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 added, 1 changed","source":"PFR","details":["new preferred IFR route DEN -> BUR: DEN BAYLR6 TEHRU ROOLL Q94 WELUM JANNY5 BUR","preferred IFR route CLT -> DEN is now: CLT BOBZY6 BNA FAM J112 BUM J110 GCK KIISS CLASH5 DEN"]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"200ecd934200","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: CONNR, COORZ, ZIMMR","source":"STAR/DP","procedures":{"updated":["CONNR","COORZ","ZIMMR"],"removed":[]}},{"cycle":"2026-01-22","from_cycle":"2025-12-25","id":"633b8ba8f594","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 3 added, 3 changed","source":"PFR","details":["new preferred IFR route ALB -> DEN: ALB ARNII Q816 HOCKE Q935 MONEE IANNA ONL PORDR AALLE4 DEN","new preferred IFR route BTV -> DEN: BTV GOATR Q816 HOCKE Q935 MONEE IANNA ONL PORDR AALLE4 DEN","new preferred IFR route PWM -> DEN: PWM HSKEL3 BAUER HANAA Q816 HOCKE Q935 MONEE IANNA ONL PORDR AALLE4 DEN","preferred IFR route PBI -> DEN is now: PBI OLAKE3 JAYMC Y280 REDFN Q105 HRV J58 SPS TOTOE HALEN NIIXX4 DEN","preferred IFR route PBI -> DEN is now: PBI TBIRD7 SMELZ Q116 MEMFS RZC PER GCK KIISS CLASH5 DEN","preferred IFR route RSW -> DEN is now: RSW CSHEL8 JAWJA MGM MEM PER GCK KIISS CLASH5 DEN"]},{"cycle":"2025-12-25","from_cycle":"2025-11-27","id":"65cd1960945d","priority":"fyi","category":"runway","kind":"changed","summary":"runway 25: controlling obstacle changed (now 117 ft tall, 5100 ft from threshold, 500 ft left of centerline, clearance slope 41:1); controlling obstacle: none -> POLE","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"","new":"L"},{"field":"CNTRLN_OFFSET","old":"","new":"500"},{"field":"DIST_FROM_THR","old":"","new":"5100"},{"field":"OBSTN_CLNC_SLOPE","old":"50","new":"41"},{"field":"OBSTN_HGT","old":"","new":"117"},{"field":"OBSTN_TYPE","old":"","new":"POLE"}]},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"6307054ae500","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 3 changed","source":"PFR","details":["preferred IFR route BNA -> DEN is now: BNA PARDN4 NAKIY FAM J112 BUM J110 GCK KIISS CLASH5 DEN","preferred IFR route DEN -> SAT is now: DEN SABTH2 VRONI PNH PRTZY POPPO2 SAT","preferred IFR route DEN -> SAT is now: DEN SUDDZ1 SUDDZ CNX J15 CME FST MOPPP DNKIN2 SAT"]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"313dab52da83","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 changed","source":"PFR","details":["preferred IFR route ORF -> DEN is now: ORF NUTIY1 KELLE MOL J24 FLM GBEES Q176 STL J24 OATHE CLASH5 DEN"]},{"cycle":"2025-08-07","from_cycle":"2025-07-10","id":"4dda9c41a056","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 2 changed","source":"PFR","details":["preferred IFR route SAT -> DEN is now: SAT ALISS7 ALISS JCT Q20 CNX GNDLA TBARR4 DEN","preferred IFR route SAT -> DEN is now: SAT YODUH2 PRTZY PNH ZIGEE NIIXX4 DEN"]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"2eb783fced14","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 127.05 no longer listed for BRNKO RNAV STAR","source":"FRQ","fields":[{"field":"FREQ_USE","old":"BRNKO RNAV STAR","new":""}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"7b77ff1020d0","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 128.45 no longer listed for DUNNN RNAV STAR, ZOMBZ RNAV STAR","source":"FRQ","fields":[{"field":"FREQ_USE","old":"DUNNN RNAV STAR, ZOMBZ RNAV STAR","new":""}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"c66dacf24716","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 251.075 no longer listed for DUNNN RNAV STAR, ZOMBZ RNAV STAR","source":"FRQ","fields":[{"field":"FREQ_USE","old":"DUNNN RNAV STAR, ZOMBZ RNAV STAR","new":""}]},{"cycle":"2025-07-10","from_cycle":"2025-06-12","id":"326018dd386d","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 363.25 no longer listed for BRNKO RNAV STAR","source":"FRQ","fields":[{"field":"FREQ_USE","old":"BRNKO RNAV STAR","new":""}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"a5f261e92a84","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: AALLE4, CLASH5, FLATI5, LAWGR4, LONGZ4, NIIXX4, SSKII4, TBARR4","source":"STAR/DP","procedures":{"updated":["AALLE4","CLASH5","FLATI5","LAWGR4","LONGZ4","NIIXX4","SSKII4","TBARR4"],"removed":[]}},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"a5f43c8defe1","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 57 changed","source":"PFR","details":["preferred IFR route ATL -> DEN is now: ATL CUTTN HANKO MEM PER GCK KIISS CLASH5 DEN","preferred IFR route BDL -> DEN is now: BDL CTR CAM ARNII Q816 HOCKE Q935 MONEE IANNA ONL PORDR AALLE4 DEN","preferred IFR route BNA -> DEN is now: BNA FAM J112 BUM J110 GCK KIISS CLASH5 DEN","preferred IFR route BOS -> DEN is now: BOS HYLND7 HYLND HANAA Q816 HOCKE Q935 MONEE IANNA ONL PORDR AALLE4 DEN","preferred IFR route BWI -> DEN is now: BWI FOXHL1 OTTTO Q176 STL J24 OATHE CLASH5 DEN","preferred IFR route CLT -> DEN is now: CLT BOBZY5 BNA FAM J112 BUM J110 GCK KIISS CLASH5 DEN","preferred IFR route DCA -> DEN is now: DCA REBLL5 OTTTO Q176 STL J24 OATHE CLASH5 DEN","preferred IFR route DFW -> DEN is now: DFW LOWGN8 ROLLS TOTOE HALEN NIIXX4 DEN","preferred IFR route DTW -> DEN is now: DTW KAYLN3 SMUUV IANNA ONL PORDR AALLE4 DEN","preferred IFR route EWR -> DEN is now: EWR NEWEL J60 DJB CPONE JOT J60 IOW DSM OBH BRWRY LAWGR4 DEN","preferred IFR route FAT -> DEN is now: FAT INSLO DTA LBERT LONGZ4 DEN","preferred IFR route FLL -> DEN is now: FLL BNICE2 DOLIE Y280 REDFN Q105 HRV J58 SPS HALEN NIIXX4 DEN","preferred IFR route FLL -> DEN is now: FLL HROCK2 SMELZ Q116 MEMFS RZC TOTOE HALEN NIIXX4 DEN","preferred IFR route GRR -> DEN is now: GRR OBK JORDY ONL PORDR AALLE4 DEN","preferred IFR route HOU -> DEN is now: HOU STYCK8 DOLEY ADM ROLLS TOTOE HALEN NIIXX4 DEN","preferred IFR route HPN -> DEN is now: HPN NEWEL J60 DJB CPONE JOT J60 IOW DSM OBH BRWRY LAWGR4 DEN","preferred IFR route IAD -> DEN is now: IAD RNLDI4 OTTTO Q176 STL J24 OATHE CLASH5 DEN","preferred IFR route IAH -> DEN is now: IAH STYCK8 DOLEY ADM ROLLS TOTOE HALEN NIIXX4 DEN","preferred IFR route JFK -> DEN is now: JFK RBV Q430 ZANDR J80 SPI IRK OBH BRWRY LAWGR4 DEN","preferred IFR route LGA -> DEN is now: LGA NEWEL J60 DJB CPONE JOT J60 IOW DSM OBH BRWRY LAWGR4 DEN","preferred IFR route MCO -> DEN is now: MCO RDSOX1 JFRYS PATOY Q116 MEMFS MEM RZC PER GCK KIISS CLASH5 DEN","preferred IFR route MDW -> DEN is now: MDW PEKUE OBENE OGALE OBH BRWRY LAWGR4 DEN","preferred IFR route MEM -> DEN is now: MEM RZC PER GCK KIISS CLASH5 DEN","preferred IFR route MHT -> DEN is now: MHT HANAA Q816 HOCKE Q935 MONEE IANNA ONL PORDR AALLE4 DEN","preferred IFR route MIA -> DEN is now: MIA HURCN4 SMELZ Q116 JAWJA MGMRY VLKNN Q116 MEMFS RZC TOTOE HALEN NIIXX4 DEN","preferred IFR route MKE -> DEN is now: MKE GREAS JAYEX MCW ONL PORDR AALLE4 DEN","preferred IFR route MRY -> DEN is now: MRY INSLO DTA LBERT LONGZ4 DEN","preferred IFR route MSN -> DEN is now: MSN LNR MCW ONL PORDR AALLE4 DEN","preferred IFR route MSP -> DEN is now: MSP SCHEP1 RXANN TEYOU LLUKY PORDR AALLE4 DEN","preferred IFR route MSY -> DEN is now: MSY AEX J58 FUZ J21 ADM ROLLS TOTOE HALEN NIIXX4 DEN","preferred IFR route OAK -> DEN is now: OAK ORRCA Q120 GALLI BAM J154 TCH KAMPR LONGZ4 DEN","preferred IFR route OAK -> DEN is now: OAK TIPRE Q126 INSLO LBERT LONGZ4 DEN","preferred IFR route ORD -> DEN is now: ORD OLINN OREOS OBENE OGALE OBH BRWRY LAWGR4 DEN","preferred IFR route ORF -> DEN is now: ORF WAIKS KELLE MOL J24 FLM GBEES Q176 STL J24 OATHE CLASH5 DEN","preferred IFR route ORL -> DEN is now: ORL NYTES2 NYTES RDSOX JFRYS PATOY Q116 MEMFS RZC PER GCK KIISS CLASH5 DEN","preferred IFR route ORL -> DEN is now: ORL TOLLZ2 TOLLZ RDSOX JFRYS PATOY Q116 MEMFS RZC PER GCK KIISS CLASH5 DEN","preferred IFR route PBI -> DEN is now: PBI OLAKE2 JAYMC Y280 REDFN Q105 HRV J58 SPS TOTOE HALEN NIIXX4 DEN","preferred IFR route PBI -> DEN is now: PBI TBIRD6 SMELZ Q116 MEMFS RZC PER GCK KIISS CLASH5 DEN","preferred IFR route PHL -> DEN is now: PHL PTW SARAA RAV PSB J60 DJB CPONE JOT J60 IOW DSM OBH BRWRY LAWGR4 DEN","preferred IFR route PVD -> DEN is now: PVD PUT CTR CAM ARNII Q816 HOCKE Q935 MONEE IANNA ONL PORDR AALLE4 DEN","preferred IFR route RDU -> DEN is now: RDU SHPRD4 SHPRD VXV BNA FAM J112 BUM J110 GCK KIISS CLASH5 DEN","preferred IFR route RIC -> DEN is now: RIC KALLI7 READE MOL J24 FLM GBEES Q176 STL J24 OATHE CLASH5 DEN","preferred IFR route RNO -> DEN is now: RNO FMG MACUS GALLI BAM J154 TCH KAMPR LONGZ4 DEN","preferred IFR route RNO -> DEN is now: RNO MVA INSLO LBERT LONGZ4 DEN","preferred IFR route RSW -> DEN is now: RSW CSHEL7 JAWJA MGM MEM PER GCK KIISS CLASH5 DEN","preferred IFR route RSW -> DEN is now: RSW MOOKY REMIS Y280 REDFN Q105 HRV J58 SPS TOTOE HALEN NIIXX4 DEN","preferred IFR route SAC -> DEN is now: SAC GALLI BAM J154 TCH KAMPR LONGZ4 DEN","preferred IFR route SAC -> DEN is now: SAC INSLO LBERT LONGZ4 DEN","preferred IFR route SAT -> DEN is now: SAT ALISS6 ALISS JCT Q20 CNX GNDLA TBARR4 DEN","preferred IFR route SAT -> DEN is now: SAT YODUH1 PRTZY PNH ZIGEE NIIXX4 DEN","preferred IFR route SFO -> DEN is now: SFO ORRCA Q120 GALLI BAM J154 TCH KAMPR LONGZ4 DEN","preferred IFR route SFO -> DEN is now: SFO TIPRE Q126 INSLO LBERT LONGZ4 DEN","preferred IFR route SJC -> DEN is now: SJC TIPRE Q126 INSLO LBERT LONGZ4 DEN","preferred IFR route SRQ -> DEN is now: SRQ REMIS Y280 REDFN Q105 HRV J58 SPS TOTOE HALEN NIIXX4 DEN","preferred IFR route SSM -> DEN is now: SSM SSM GEP J114 ONL PORDR AALLE4 DEN","preferred IFR route TPA -> DEN is now: TPA DORMR3 FROOT ROZZI Y280 REDFN Q105 HRV J58 SPS TOTOE HALEN NIIXX4 DEN","preferred IFR route TPA -> DEN is now: TPA ENDED2 LACEN PATOY Q116 MEMFS RZC TOTOE HALEN NIIXX4 DEN"]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"711655cda79c","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 128.45 now listed for DUNNN RNAV STAR (was DUNN RNAV STAR)","source":"FRQ","fields":[{"field":"FREQ_USE","old":"DUNN RNAV STAR","new":"DUNNN RNAV STAR"}]},{"cycle":"2025-06-12","from_cycle":"2025-05-15","id":"0809d15051fb","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 251.075 now listed for DUNNN RNAV STAR (was DUNN RNAV STAR)","source":"FRQ","fields":[{"field":"FREQ_USE","old":"DUNN RNAV STAR","new":"DUNNN RNAV STAR"}]},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"68457897b913","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 2 added","source":"PFR","details":["new preferred IFR route TPA -> DEN: TPA DORMR3 FROOT ROZZI Y280 REDFN Q105 HRV J58 SPS LBL HALEN NIIXX3 DEN","new preferred IFR route TPA -> DEN: TPA ENDED2 LACEN PATOY Q116 MEMFS RZC LBL HALEN NIIXX3 DEN"]},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"112c99d9a292","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 127.05 now listed for BRNKO RNAV STAR (was BRNKO STAR)","source":"FRQ","fields":[{"field":"FREQ_USE","old":"BRNKO STAR","new":"BRNKO RNAV STAR"}]},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"3f8ff5a00d2c","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 128.45 now listed for DUNN RNAV STAR, ZOMBZ RNAV STAR (was DUNNN STAR, ZOMBZ STAR)","source":"FRQ","fields":[{"field":"FREQ_USE","old":"DUNNN STAR, ZOMBZ STAR","new":"DUNN RNAV STAR, ZOMBZ RNAV STAR"}]},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"f7a69828d9ff","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 251.075 now listed for DUNN RNAV STAR, ZOMBZ RNAV STAR (was DUNNN STAR, ZOMBZ STAR)","source":"FRQ","fields":[{"field":"FREQ_USE","old":"DUNNN STAR, ZOMBZ STAR","new":"DUNN RNAV STAR, ZOMBZ RNAV STAR"}]},{"cycle":"2025-04-17","from_cycle":"2025-03-20","id":"a9b52913abe4","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 363.25 now listed for BRNKO RNAV STAR (was BRNKO STAR)","source":"FRQ","fields":[{"field":"FREQ_USE","old":"BRNKO STAR","new":"BRNKO RNAV STAR"}]},{"cycle":"2025-02-20","from_cycle":"2025-01-23","id":"c5c22a684d59","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 4 added, 1 changed","source":"PFR","details":["new preferred IFR route BWI -> DEN: BWI FOXHL1 OTTTO Q176 STL J24 OATHE CLASH4 DEN","new preferred IFR route ORF -> DEN: ORF WAIKS KELLE MOL J24 FLM GBEES Q176 STL J24 OATHE CLASH4 DEN","new preferred IFR route RDU -> DEN: RDU SHPRD4 SHPRD VXV BNA FAM J112 BUM J110 GCK KIISS CLASH4 DEN","new preferred IFR route RIC -> DEN: RIC KALLI7 READE MOL J24 FLM GBEES Q176 STL J24 OATHE CLASH4 DEN","preferred IFR route MSY -> DEN is now: MSY AEX J58 FUZ J21 ADM ROLLS LBL HALEN NIIXX3 DEN"]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"c77d31562eb2","priority":"action","category":"weather","kind":"changed","summary":"AWOS/ASOS phone number changed to 719-204-1223","source":"AWOS","fields":[{"field":"PHONE_NO","old":"303-342-1920","new":"719-204-1223"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"5d0328df260d","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 2 changed","source":"PFR","details":["preferred IFR route PBI -> DEN is now: PBI TBIRD6 SMELZ Q116 MEMFS RZC PER GCK KIISS CLASH4 DEN","preferred IFR route RSW -> DEN is now: RSW CSHEL7 JAWJA MGM MEM PER GCK KIISS CLASH4 DEN"]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"49629da3d397","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: DANDD1, LANDR3, LARKS3, POWDR1, QUAIL1, RAMMS8, TOMSN9","source":"STAR/DP","procedures":{"updated":["DANDD1","LANDR3","LARKS3","POWDR1","QUAIL1","RAMMS8","TOMSN9"],"removed":[]}},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"5348492abfaf","priority":"ifr","category":"route","kind":"changed","summary":"preferred IFR routes: 1 changed","source":"PFR","details":["preferred IFR route DEN -> AUS is now: DEN SABTH2 JOPLN SLIDE UCOKA DILLO LAIKS4 AUS"]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"ddd86238e1d9","priority":"fyi","category":"frequency","kind":"changed","summary":"frequency 121.85 now listed for GND/P (was GND)","source":"FRQ","fields":[{"field":"FREQ_USE","old":"GND","new":"GND/P"}]}],"first_cycle":"2024-09-05","last_cycle":"2026-10-01"}