Volcano Observatory Notices for Aviation (VONA)
Volcano Observatory Notices for Aviation (VONA) are succinct, plain-English messages aimed at dispatchers, pilots, and air-traffic controllers to inform them of volcanic unrest and eruptive activity that could produce ash-cloud hazards.

VOLCANO
DATE
DESCRIPTION
FILE TYPE
ETNA2019-07-21 09:22:13Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-20 03:13:12Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-19 20:18:06Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-07-19 10:54:36Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-19 09:21:15Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-07-14 13:58:26Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-06 15:31:15Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-07-06 10:57:02Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-07-06 08:51:27Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-07-02 18:20:29Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-07-02 14:06:23Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-07-02 10:11:26Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-06-21 08:52:18Aviation Color Code: GREENDOWNLOAD PDF
ETNA2019-06-15 06:18:39Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-06-06 09:09:16Aviation Color Code: GREENDOWNLOAD PDF
ETNA2019-06-05 11:15:34Aviation Color Code: YELLOWDOWNLOAD PDF
ETNA2019-05-30 17:29:34Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-05-30 10:50:16Aviation Color Code: REDDOWNLOAD PDF
ETNA2019-05-30 02:03:00Aviation Color Code: ORANGEDOWNLOAD PDF
ETNA2019-05-28 12:49:26Aviation Color Code: YELLOWDOWNLOAD PDF
 AVANTI