(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20210325/0251Z
(3) Volcano:	Klyuchevskoy (CAVW #300260)
(4) Current aviation colour code:	GREEN
(5) Previous aviation colour code:	green
(6) Source:	KVERT
(7) Notice Number:	2021-39
(8) Volcano Location:	N 56 deg 3 min E 160 deg 38 min
(9) Area:	Kamchatka, Russia
(10) Summit Elevation:	4750 m (15580 ft)
(11) Volcanic Activity Summary:	According to satellite data, a plume of resuspended ash extended for 72 km to the east of the volcano. There is no eruption of Klyuchevskoy volcano. A moderate gas-steam activity of the volcano continues. Ongoing activity could affect low-flying aircraft.
(12) Volcanic cloud height:	4500-5500 m (14760-18040 ft) AMSL Time and method of ash plume/cloud height determination: 20210325/0210Z – Himawari-8
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 72 km (45 mi) Direction of drift of ash plume/cloud of the volcano: E / azimuth 88 deg Time and method of ash plume/cloud determination: 20210325/0210Z – Himawari-8
(14) Remarks:
(15) Contacts:	Dr. Olga A. Girina, Head of KVERT, IVS FEB RAS girina@kscnet.ru +74152202044 Duty 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/. In 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.