What does HDI stand for?
HDI stands for "Horizontal Deviation Indicator (airplane instrument)"
How to abbreviate "Horizontal Deviation Indicator (airplane instrument)"?
"Horizontal Deviation Indicator (airplane instrument)" can be abbreviated as HDI
What is the meaning of HDI abbreviation?
The meaning of HDI abbreviation is "Horizontal Deviation Indicator (airplane instrument)"
What does HDI mean?
HDI as abbreviation means "Horizontal Deviation Indicator (airplane instrument)"
