Originally Posted by
putinbot
What does the A3 designation mean? From Turkish's website what I understand is that miles expire after three years regardless of activity.
A3 mean Aegean.
Most programs have a hard date on miles expiration. There are only a handful of programs outside of North America who use a rolling expiration date with activity, so you can also expect your OZ miles to expire within 3 years if you don't spend them.