Estonian airline Avies was established in 2015.
Main hub is Tallinn Lennart Meri airport.

Airline flyes with British Aerospace turbo-prop Jetstream 31 to Kärdla (Hiiumaa) 12x per week and to Kuressaare (Saaremaa) 12x per week.

Avies does not have a frequent-flyer programme, nor does it belong into any airline alliance.
Online check-in is not available.

Airline's rules and policies are decribed here (in estonian).