(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20171003/2156Z (3) Volcano:Karymsky (CAVW #300130) (4) Current Aviation Color Code:ORANGE (5) Previous Aviation Color Code:orange (6) Source:KVERT (7) Notice Number:2017-242 (8) Volcano Location:N 54 deg 2 min E 159 deg 26 min (9) Area:Kamchatka, Russia (10) Summit Elevation:4874.08 ft (1486 m)(11) Volcanic Activity Summary:According to satellite data, a moderate ash explosion sent ash up to 5 km a.s.l., ash plume drifted about 21 km to the east-north-east from the volcano.\n\nA moderate activity of the volcano continues. Ash explosions up to 16,400-19,700 ft (5-6 km) a.s.l. could occur at any time. Ongoing activity could affect low-flying aircraft. (12) Volcanic cloud height:13120-16400 ft (4000-5000 m) AMSL Time and method of ash plume/cloud height determination: 20171003/2123Z – NOAA 18 (4m5)(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 13 mi (21 km)\nDirection of drift of ash plume/cloud of the volcano: ENE / azimuth 77 deg \nTime and method of ash plume/cloud determination: 20171003/2123Z – NOAA 18 (4m5)\nDuration of explosion: ~ 30 minutes(14) Remarks:(15) Contacts: Alexander G. Manevich, IVS FEB RAS\nmag@kscnet.ru +74152202115\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.