(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20180913/0514Z (3) Volcano:Klyuchevskoy (CAVW #300260) (4) Current aviation colour code:GREEN (5) Previous aviation colour code:yellow (6) Source:KVERT (7) Notice Number:2018-85 (8) Volcano Location:N 56 deg 3 min E 160 deg 38 min (9) Area:Kamchatka, Russia (10) Summit Elevation:15580 ft (4750 m)(11) Volcanic Activity Summary:According to visual and video data, a moderate gas-steam activity of the volcano continues. Satellite data by KVERT showed sometimes a weak thermal anomaly over the volcano, but the temperature of the anomaly steady decreased. Last weak ash activity of the volcano was noting on 14 July, 2018. KVERT continues to monitor Klyuchevskoy volcano.\n\nA gas-steam activity of the volcano continues. Aerosol plumes could affect low-flying aircraft. (12) Volcanic cloud height:NO ASH CLOUD PRODUSED(13) Other volcanic cloud information:NO ASH CLOUD PRODUSED(14) Remarks:(15) Contacts:Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS\ngirina@kscnet.ru +74152202044\n\nDuty scientist: +79622825253 (16) Next Notice:A new VONA will be issued if conditions change significantly or the colour code is changed. VONAs are posted at http://www.kscnet.ru/ivs/kvert/index_eng.php.\n\nIn Russia, KVERT, on behalf of the Institute of Volcanology and Seismology (IVS) FEB RAS, is responsible for providing information on volcanic activity to international air navigation services for the airspace users.