{"schema_version":1,"airport":"S50","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"d2e13e787492","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 35 redrawn (still amdt 1)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 35","amdt":"1","pdf":"https://aeronav.faa.gov/d-tpp/2609/10224R35.PDF"}},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"cdac87ee6bfe","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/2609/10224AD.PDF"}},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"b00279f22c88","priority":"fyi","category":"weather","kind":"added","summary":"new weather station: AWOS-3PT (S50), phone 253-802-0933","source":"AWOS","fields":[{"field":"ASOS_AWOS_ID","old":"","new":"S50"},{"field":"ASOS_AWOS_TYPE","old":"","new":"AWOS-3PT"},{"field":"NAVAID_FLAG","old":"","new":"N"},{"field":"PHONE_NO","old":"","new":"253-802-0933"}]},{"cycle":"2026-08-06","from_cycle":"2026-07-09","id":"54aee08e0ca5","priority":"action","category":"frequency","kind":"added","summary":"frequency 118.050 (S50 AWOS-3PT) added","source":"FRQ"},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"f29a24feb76a","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 35 amended (amdt 1)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 35","amdt":"1","pdf":"https://aeronav.faa.gov/d-tpp/2607/10224R35.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"1013681e68a5","priority":"ifr","category":"chart","kind":"removed","summary":"approach RNAV (GPS)-A removed","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS)-A","amdt":"2"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"092c777f79f0","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/2607/10224AD.PDF"}},{"cycle":"2025-02-20","from_cycle":"2025-01-23","id":"d881137ecc16","priority":"fyi","category":"remark","kind":"added","summary":"new remark: PAPI UNUSBLE BYD 10 DEGS RIGHT OF CNTRLN.","source":"APT_RMK","original":"PAPI UNUSBLE BYD 10 DEGS RIGHT OF CNTRLN."},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"e87d464d8660","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. PAPI RWY 17 & 35 OPR CONSLY.","source":"APT_RMK","original":"ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. PAPI RWY 17 & 35 OPR CONSLY.","fields":[{"field":"REMARK","old":"ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. VASI RWY 17 & 35 OPR CONSLY.","new":"ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. PAPI RWY 17 & 35 OPR CONSLY."}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"ad3222bd7a04","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: CALM WND RWY: 35","source":"APT_RMK","original":"CALM WND RWY: 35","fields":[{"field":"REMARK","old":"CREDIT CARD SELF SVC FUEL AVBL H24. FUEL SVC - 206-767-5290.","new":"CALM WND RWY: 35"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"f596a1b94177","priority":"fyi","category":"frequency","kind":"changed","summary":"remark: ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. VASI RWY 17 & 35 OPR CONSLY. -> ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. PAPI RWY 17 & 35 OPR CONSLY.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. VASI RWY 17 & 35 OPR CONSLY.","new":"ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. PAPI RWY 17 & 35 OPR CONSLY."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"a4140d70dca9","priority":"action","category":"remark","kind":"changed","summary":"remark updated: Activate REILs on runways 17 and 35, MIRLs on runway 17/35 via CTAF, and VASIs on runways 17 and 35 operate continuously.","source":"APT_RMK","original":"ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. VASI RWY 17 & 35 OPR CONSLY.","fields":[{"field":"REMARK","old":"ACTVT REIL RWY 16 & 34; MIRL RWY 16/34 - CTAF. VASI RWY 16 & 34 OPR CONSLY.","new":"ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. VASI RWY 17 & 35 OPR CONSLY."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"088a3ad26fd4","priority":"action","category":"frequency","kind":"changed","summary":"remark: ACTVT REIL RWY 16 & 34; MIRL RWY 16/34 - CTAF. VASI RWY 16 & 34 OPR CONSLY. -> ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. VASI RWY 17 & 35 OPR CONSLY.","source":"FRQ","fields":[{"field":"REMARK","old":"ACTVT REIL RWY 16 & 34; MIRL RWY 16/34 - CTAF. VASI RWY 16 & 34 OPR CONSLY.","new":"ACTVT REIL RWY 17 & 35;  MIRL RWY 17/35 - CTAF. VASI RWY 17 & 35 OPR CONSLY."}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"d1d8d0815aef","priority":"fyi","category":"runway","kind":"changed","summary":"runway 17: threshold crossing height: 60 -> 43 ft AGL; visual glide slope indicator: 4-box VASI on right side of runway (V4R) -> 2-light PAPI on left side of runway (P2L); visual glide path angle: 4.5 -> 4°","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"60","new":"43"},{"field":"VGSI_CODE","old":"V4R","new":"P2L"},{"field":"VISUAL_GLIDE_PATH_ANGLE","old":"4.5","new":"4"}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"73e99100da7d","priority":"fyi","category":"runway","kind":"changed","summary":"runway 35: threshold crossing height: 53 -> 57 ft AGL; visual glide slope indicator: 4-box VASI on left side of runway (V4L) -> 2-light PAPI on right side of runway (P2R)","source":"APT_RWY_END","fields":[{"field":"THR_CROSSING_HGT","old":"53","new":"57"},{"field":"VGSI_CODE","old":"V4L","new":"P2R"}]}],"first_cycle":"2024-10-03","last_cycle":"2026-09-03"}