What does HDSG stand for?
HDSG stands for "Heliport Design Study Group"
How to abbreviate "Heliport Design Study Group"?
"Heliport Design Study Group" can be abbreviated as HDSG
What is the meaning of HDSG abbreviation?
The meaning of HDSG abbreviation is "Heliport Design Study Group"
What does HDSG mean?
HDSG as abbreviation means "Heliport Design Study Group"
