What does 4OK9 stand for?
4OK9 stands for "Hsi Heliport"
How to abbreviate "Hsi Heliport"?
"Hsi Heliport" can be abbreviated as 4OK9
What is the meaning of 4OK9 abbreviation?
The meaning of 4OK9 abbreviation is "Hsi Heliport"
What does 4OK9 mean?
4OK9 as abbreviation means "Hsi Heliport"
