(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20170409/2051Z (3) Volcano:Klyuchevskoy (CAVW #300260) (4) Current Aviation Color Code:YELLOW (5) Previous Aviation Color Code:orange (6) Source:KVERT (7) Notice Number:2017-54 (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:A gas-steam activity of the volcano continues. Satellite data by KVERT showed a weak thermal anomaly over the volcano. There were not observing ash bursts from Klyuchevskoy from 04 April, 2017, till now. KVERT continues to monitor the 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 Aviation Color Code is changes. 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.