{"schema_version":1,"airport":"OMK","entries":[{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"48419a6fea91","priority":"action","category":"remark","kind":"removed","summary":"remark removed: COMMUNICATIONS PRVDD BY SEATTLE RADIO ON FREQ 122.2 (OMAK RCO).","source":"ATC_RMK","original":"COMMUNICATIONS PRVDD BY SEATTLE RADIO ON FREQ 122.2 (OMAK RCO)."},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"01f25508bd4d","priority":"fyi","category":"frequency","kind":"removed","summary":"flight service (FSS) 122.2 via the Omak outlet no longer available","source":"FRQ"},{"cycle":"2026-09-03","from_cycle":"2026-08-06","id":"1c7741de5eb6","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":"2025-10-02","from_cycle":"2025-09-04","id":"7bd316e8912f","priority":"fyi","category":"airport","kind":"changed","summary":"cold temperature airport (altitude correction at or below): -15C -> -14C","source":"APT_BASE","fields":[{"field":"CTA","old":"-15C","new":"-14C"}]},{"cycle":"2025-10-02","from_cycle":"2025-09-04","id":"563b9e4cf115","priority":"fyi","category":"remark","kind":"changed","summary":"remark updated: COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -14C.","source":"APT_RMK","original":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -14C.","fields":[{"field":"REMARK","old":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -15C.","new":"COLD TEMPERATURE AIRPORT. ALTITUDE CORRECTION REQUIRED AT OR BELOW -14C."}]}],"first_cycle":"2025-10-02","last_cycle":"2026-09-03"}