(1) VOLCANO OBSERVATORY NOTICE FOR AVIATION (VONA)
 (2) Issued:20171220/1059Z
 (3) Volcano:Bezymianny (CAVW #300250)
 (4) Current aviation colour code:ORANGE
 (5) Previous aviation colour code:red
 (6) Source:KVERT
 (7) Notice Number:2017-270
 (8) Volcano Location:N 55 deg 58 min E 160 deg 35 min
 (9) Area:Kamchatka, Russia
(10) Summit Elevation:9452.96 ft (2882 m)
(11) Volcanic Activity Summary:According to satellite data by KVERT, activity of the volcano decreased: there is not observing strong ash emission from the volcano. But separate ash clouds continues to drift to the north-east from the volcano. KVERT continues to monitor Bezymianny volcano.

A gas-steam activity of the volcano continues. A danger of strong ash explosions up to 32,800 ft (10 km) a.s.l. is remains. Ongoing activity could affect international and low-flying aircraft.
(12) Volcanic cloud height:NO ASH CLOUD PRODUSED
(13) Other volcanic cloud information:NO ASH CLOUD PRODUSED
(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/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.