(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
(2) Issued:	20170506/0524Z
(3) Volcano:	Klyuchevskoy (CAVW #300260)
(4) Current Aviation Color Code:	ORANGE
(5) Previous Aviation Color Code:	orange
(6) Source:	KVERT
(7) Notice Number:	2017-65
(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:	The gas-steam plume containing ash is extending about 85 km to the east-northeast from the volcano. The activity of the volcano continues. Ash explosions up to 26,200 ft (8 km) a.s.l. could occur at any time. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:	22960-26240 ft (7000-8000 m) AMSL Time and method of ash plume/cloud height determination: 20170506/0431Z – NOAA 19 (4m5)
(13) Other volcanic cloud information:	Distance of ash plume/cloud of the volcano: 53 mi (85 km) Direction of drift of ash plume/cloud of the volcano: E / azimuth 83 deg Time and method of ash plume/cloud determination: 20170506/0431Z – NOAA 19 (4m5)
(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 Aviation Color Code is changes. VONAs are posted at http://www.kscnet.ru/ivs/kvert/index_eng.php. 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.