(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA) (2) Issued:20211107/0105Z (3) Volcano:Karymsky (CAVW #300130) (4) Current aviation colour code:ORANGE (5) Previous aviation colour code:orange (6) Source:KVERT (7) Notice Number:2021-140 (8) Volcano Location:N 54 deg 2 min E 159 deg 26 min (9) Area:Kamchatka, Russia (10) Summit Elevation:1486 m (4874.08 ft)(11) Volcanic Activity Summary:The eruptive activity of the volcano continues. According to satellite data, an ash plume is extending about 110 km to the north-east of the volcano.\n\nA moderate eruptive activity of the volcano continues. Ash explosions up to 10 km (32,800 ft) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft. (12) Volcanic cloud height:4000 m (13120 ft) AMSL Time and method of ash plume/cloud height determination: 20211106/2358Z – MODIS TERRA (31m32)(13) Other volcanic cloud information:Distance of ash plume/cloud of the volcano: 110 km (68 mi)\nDirection of drift of ash plume/cloud of the volcano: NNE / azimuth 20 deg \nTime and method of ash plume/cloud determination: 20211106/2358Z – MODIS TERRA (31m32)(14) Remarks:(15) Contacts: Dmitry V. Melnikov, IVS FEB RAS\ndvm@kscnet.ru \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/.\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.