{"schema_version":1,"airport":"SIT","entries":[{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"449c7051f71a","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS) RWY 11 redrawn (still amdt 2)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS) RWY 11","amdt":"2","pdf":"https://aeronav.faa.gov/d-tpp/2607/05414R11.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"5931a8690761","priority":"ifr","category":"chart","kind":"changed","summary":"approach RNAV (GPS)-B redrawn (still original)","source":"D-TPP","chart":{"code":"IAP","name":"RNAV (GPS)-B","amdt":"0","pdf":"https://aeronav.faa.gov/d-tpp/2607/05414RB.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"dbd5a589c7ff","priority":"ifr","category":"chart","kind":"changed","summary":"approach LDA RWY 11 redrawn (still amdt 16A)","source":"D-TPP","chart":{"code":"IAP","name":"LDA RWY 11","amdt":"16A","pdf":"https://aeronav.faa.gov/d-tpp/2607/05414LDA11.PDF"}},{"cycle":"2026-07-09","from_cycle":"2026-06-11","id":"8970005baac9","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/2607/05414AD.PDF"}},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"bd7d034a12b2","priority":"action","category":"remark","kind":"changed","summary":"remark updated: COAST GUARD AIR OPERATIONS (SITKA AIR) VHF FM-21A 121.05 OR MAINTENANCE CONTROL 345.0 OTHER CG FREQS AVBL O/R.","source":"ATC_RMK","original":"COAST GUARD AIR OPERATIONS (SITKA AIR) VHF FM-21A 121.05 OR MAINTENANCE CONTROL 345.0 OTHER CG FREQS AVBL O/R.","fields":[{"field":"REMARK","old":"COAST GUARD AIR OPERATIONS (SITKA AIR) B.345.0X 8980X C. 5692X C. 2182","new":"COAST GUARD AIR OPERATIONS (SITKA AIR) VHF FM-21A 121.05 OR MAINTENANCE CONTROL 345.0 OTHER CG FREQS AVBL O/R."}]},{"cycle":"2026-05-14","from_cycle":"2026-04-16","id":"98b2a21fed7d","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: ARR CTC SITKA AIR 10 MIN PRIOR TO LNDG - 121.05, 345.0 OR FSS.","source":"APT_RMK","original":"ARR CTC SITKA AIR 10 MIN PRIOR TO LNDG - 121.05, 345.0 OR FSS.","fields":[{"field":"REMARK","old":"ARR CTC SITKA AIR 10 MIN PRIOR TO LNDG - 345.0 OR FSS.","new":"ARR CTC SITKA AIR 10 MIN PRIOR TO LNDG - 121.05, 345.0 OR FSS."}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"04cc7c3605bb","priority":"action","category":"airport","kind":"changed","summary":"airport attendance hours changed:  -> 0500-2300","source":"APT_ATT","fields":[{"field":"HOUR","old":"","new":"0500-2300"}]},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"e1aa16123829","priority":"action","category":"remark","kind":"removed","summary":"remark removed: CARGO OPS PPR - C907-966-5420; WKEND & HOLS - C907-966-5556. CARGO OPS OVR 100000 LB 24 HR PPR - AMGR.","source":"APT_RMK","original":"CARGO OPS PPR - C907-966-5420; WKEND & HOLS - C907-966-5556. CARGO OPS OVR 100000 LB 24 HR PPR - AMGR."},{"cycle":"2026-03-19","from_cycle":"2026-02-19","id":"b6b21cbfde8c","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: 1300-0700Z.","source":"APT_RMK","original":"1300-0700Z."},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"74315a134960","priority":"action","category":"navaid","kind":"removed","summary":"SIT NDB (358) decommissioned/removed","source":"NAV_BASE"},{"cycle":"2025-11-27","from_cycle":"2025-10-30","id":"db83b61a5e2b","priority":"action","category":"frequency","kind":"removed","summary":"frequency 358.0 (SIT NDB) removed","source":"FRQ"},{"cycle":"2025-09-04","from_cycle":"2025-08-07","id":"137f99a31c32","priority":"action","category":"frequency","kind":"changed","summary":"remark: AFIS FREQUENCY. -> AFIS FREQUENCY 135.9.","source":"FRQ","fields":[{"field":"REMARK","old":"AFIS FREQUENCY.","new":"AFIS FREQUENCY 135.9."}]},{"cycle":"2025-02-20","from_cycle":"2025-01-23","id":"264cff0728c5","priority":"fyi","category":"remark","kind":"removed","summary":"remark removed: MAINT DUTY HR SUN-FRI 0500-2400; SAT 0500-2000.","source":"APT_RMK","original":"MAINT DUTY HR SUN-FRI 0500-2400; SAT 0500-2000."},{"cycle":"2025-02-20","from_cycle":"2025-01-23","id":"f90e37a722e1","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: 1300-0700Z.","source":"APT_RMK","original":"1300-0700Z.","fields":[{"field":"REMARK","old":"1300-0700Z SUN-SAT.","new":"1300-0700Z."}]},{"cycle":"2025-02-20","from_cycle":"2025-01-23","id":"aa324c426281","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: MAINT DUTY HR 0500-2300; SNOW REMOVAL, WILDLIFE CTL, COND RPRT & OTR MAINT AVBL; AFT HR - AMGR.","source":"APT_RMK","original":"MAINT DUTY HR 0500-2300; SNOW REMOVAL, WILDLIFE CTL, COND RPRT & OTR MAINT AVBL; AFT HR - AMGR.","fields":[{"field":"REMARK","old":"SNOW REMOVAL, WILDLIFE CTL, COND RPRT & OTR MAINT SVC AVBL DURG MAINT DUTY HR; AFT HR - AMGR.","new":"MAINT DUTY HR 0500-2300; SNOW REMOVAL, WILDLIFE CTL, COND RPRT & OTR MAINT AVBL; AFT HR - AMGR."}]},{"cycle":"2025-01-23","from_cycle":"2024-12-26","id":"e536cf5f9791","priority":"action","category":"frequency","kind":"changed","summary":"remark: none -> AFIS FREQUENCY.","source":"FRQ","fields":[{"field":"REMARK","old":"","new":"AFIS FREQUENCY."}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"604e2dd81d93","priority":"action","category":"frequency","kind":"changed","summary":"frequency 135.9 now listed for SIT FSS (was AFIS); facility type: no air traffic control tower (NON-ATCT) -> FSS; approach control radio call: ANCHORAGE ARTCC -> none; remark: AFIS OPERD BY SITKA FSS WHEN OPEN. -> none; name changed: Sitka Rocky Gutierrez -> Sitka; served facility type: AIRPORT -> FSS; radio call: none -> SITKA","source":"FRQ","fields":[{"field":"FACILITY_TYPE","old":"NON-ATCT","new":"FSS"},{"field":"FAC_NAME","old":"SITKA ROCKY GUTIERREZ","new":"SITKA"},{"field":"FREQ_USE","old":"AFIS","new":"SIT FSS"},{"field":"PRIMARY_APPROACH_RADIO_CALL","old":"ANCHORAGE ARTCC","new":""},{"field":"REMARK","old":"AFIS OPERD BY SITKA FSS WHEN OPEN.","new":""},{"field":"SERVICED_FAC_NAME","old":"SITKA ROCKY GUTIERREZ","new":"SITKA"},{"field":"SERVICED_SITE_TYPE","old":"AIRPORT","new":"FSS"},{"field":"TOWER_OR_COMM_CALL","old":"","new":"SITKA"}]},{"cycle":"2024-12-26","from_cycle":"2024-11-28","id":"9dfa061a8d1d","priority":"ifr","category":"procedure","kind":"changed","summary":"arrival/departure procedures new or updated: SSR; removed: SIT","source":"STAR/DP","procedures":{"updated":["SSR"],"removed":["SIT"]}}],"first_cycle":"2024-12-26","last_cycle":"2026-07-09"}