{"schema_version":1,"airport":"KLS","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"9bae8ff1fe62","priority":"action","category":"remark","kind":"removed","summary":"remark removed: Seattle Radio provides communications on frequency 122.4 from the Southwest Washington RCO.","source":"ATC_RMK","original":"COMMUNICATIONS PRVDD BY SEATTLE RADIO ON FREQ 122.4 (SOUTHWEST WASHINGTON RCO)."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"923f50878b6d","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.4 via the Southwest Washington outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"0124cff6f00b","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: For clearance delivery contact Seattle ARTCC at 253-351-3694.","source":"APT_RMK","original":"FOR CD CTC SEATTLE ARTCC AT 253-351-3694.","fields":[{"field":"REMARK","old":"FOR CD IF UNA TO CTC ON FSS FREQ, CTC SEATTLE ARTCC AT 253-351-3694.","new":"FOR CD CTC SEATTLE ARTCC AT 253-351-3694."}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"e4638fbe2d1a","priority":"fyi","category":"airport","kind":"changed","summary":"airport contact address: POB 819 -> PO BOX 818","source":"APT_CON","fields":[{"field":"ADDRESS1","old":"POB 819","new":"PO BOX 818"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"76abe2478620","priority":"fyi","category":"airport","kind":"changed","summary":"services: dropped crop dusting services (AGRI), charter service (CHTR), aircraft sales (SALES)","source":"APT_BASE","fields":[{"field":"OTHER_SERVICES","old":"AGRI,AVNCS,CHTR,INSTR,RNTL,SALES","new":"AVNCS,INSTR,RNTL"}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"72682a62e39c","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: NO FLD COND NOTAMS AVBL M-F 1700-0800.","source":"APT_RMK","original":"NO FLD COND NOTAMS AVBL M-F 1700-0800.","fields":[{"field":"REMARK","old":"NO FLD COND NOTAMS AVBL M-F 1700-0800 AND ALL DAY SAT AND SUN.","new":"NO FLD COND NOTAMS AVBL M-F 1700-0800."}]},{"cycle":"2024-10-31","from_cycle":"2024-10-03","id":"fb8c64b6f016","priority":"fyi","category":"runway","kind":"changed","summary":"runway 30: controlling obstacle changed (now , clearance slope 20:1); controlling obstacle: TREES -> none","source":"APT_RWY_END","fields":[{"field":"CNTRLN_DIR_CODE","old":"B","new":""},{"field":"CNTRLN_OFFSET","old":"0","new":""},{"field":"DIST_FROM_THR","old":"900","new":""},{"field":"OBSTN_CLNC_SLOPE","old":"22","new":"20"},{"field":"OBSTN_HGT","old":"31","new":""},{"field":"OBSTN_TYPE","old":"TREES","new":""}]},{"cycle":"2024-10-03","from_cycle":"2024-09-05","id":"fd8ed665e1b4","priority":"fyi","category":"airport","kind":"changed","summary":"name changed: Christopher Paolini -> Craig Stommel","source":"APT_CON","fields":[{"field":"NAME","old":"CHRISTOPHER PAOLINI","new":"CRAIG STOMMEL"}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"41253a012326","priority":"action","category":"remark","kind":"changed","summary":"remark updated: Seattle Radio provides communications on frequency 122.4 from the Southwest Washington RCO.","source":"ATC_RMK","original":"COMMUNICATIONS PRVDD BY SEATTLE RADIO ON FREQ 122.4 (SOUTHWEST WASHINGTON RCO).","fields":[{"field":"REMARK","old":"COMMUNICATIONS PRVDD BY SEATTLE RADIO ON FREQ 122.25 (SOUTHWEST WASHINGTON RCO).","new":"COMMUNICATIONS PRVDD BY SEATTLE RADIO ON FREQ 122.4 (SOUTHWEST WASHINGTON RCO)."}]},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"a532ff609568","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.25 via the Southwest Washington outlet no longer available","source":"FRQ"},{"cycle":"2024-09-05","from_cycle":"2024-08-08","id":"6edc63696fb9","priority":"fyi","category":"frequency","kind":"added","summary":"flight service (FSS) 122.4 via the Southwest Washington outlet now available","source":"FRQ"}],"first_cycle":"2024-09-05","last_cycle":"2026-09-03"}