What does ABU stand for?
ABU stands for "Avionics Block Upgrade"
How to abbreviate "Avionics Block Upgrade"?
"Avionics Block Upgrade" can be abbreviated as ABU
What is the meaning of ABU abbreviation?
The meaning of ABU abbreviation is "Avionics Block Upgrade"
What does ABU mean?
ABU as abbreviation means "Avionics Block Upgrade"
