(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20210929/0313Z
(3) Volcano:	Klyuchevskoy (CAVW #300260)
(4) Current aviation colour code:	ORANGE
(5) Previous aviation colour code:	green
(6) Source:	KVERT
(7) Notice Number:	2021-118
(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:	The activity of the volcano is low. A strong wind raises ash from the slope of the volcano. Satellite and video data by KVERT showed a resuspended ash plume extended to the east of the volcano. Resuspended ash plumes can be observed at altitudes of 9,800-16,400 ft (3-5 km) a.s.l. Ongoing activity could affect low-flying aircrafts.
(12) Volcanic cloud height:	3000-4000 m (9840-13120 ft) AMSL Time and method of ash plume/cloud height determination: 20210929/0310Z – Video data
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 75 km (47 mi) Direction of drift of ash plume/cloud of the volcano: E / azimuth 91 deg Time and method of ash plume/cloud determination: 20210929/0145Z – MODIS AQUA (31m32)
(14) Remarks:
(15) Contacts:	Dmitry V. Melnikov, IVS FEB RAS dvm@kscnet.ru 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.