What does RTR stand for?
RTR stands for "Returning to Ramp"
How to abbreviate "Returning to Ramp"?
"Returning to Ramp" can be abbreviated as RTR
What is the meaning of RTR abbreviation?
The meaning of RTR abbreviation is "Returning to Ramp"
What does RTR mean?
RTR as abbreviation means "Returning to Ramp"
