What does HELACK stand for?
HELACK stands for "Helicopter Request Acknowledgment"
How to abbreviate "Helicopter Request Acknowledgment"?
"Helicopter Request Acknowledgment" can be abbreviated as HELACK
What is the meaning of HELACK abbreviation?
The meaning of HELACK abbreviation is "Helicopter Request Acknowledgment"
What does HELACK mean?
HELACK as abbreviation means "Helicopter Request Acknowledgment"
