What does ETRA stand for?
ETRA stands for "Estimated Time to Reach Altitude"
How to abbreviate "Estimated Time to Reach Altitude"?
"Estimated Time to Reach Altitude" can be abbreviated as ETRA
What is the meaning of ETRA abbreviation?
The meaning of ETRA abbreviation is "Estimated Time to Reach Altitude"
What does ETRA mean?
ETRA as abbreviation means "Estimated Time to Reach Altitude"
