What does OIS stand for?
OIS stands for "Obstruction Identification Surface"
How to abbreviate "Obstruction Identification Surface"?
"Obstruction Identification Surface" can be abbreviated as OIS
What is the meaning of OIS abbreviation?
The meaning of OIS abbreviation is "Obstruction Identification Surface"
What does OIS mean?
OIS as abbreviation means "Obstruction Identification Surface"
