What does PDI stand for?
PDI stands for "Pilot's Direction Indicator"
How to abbreviate "Pilot's Direction Indicator"?
"Pilot's Direction Indicator" can be abbreviated as PDI
What is the meaning of PDI abbreviation?
The meaning of PDI abbreviation is "Pilot's Direction Indicator"
What does PDI mean?
PDI as abbreviation means "Pilot's Direction Indicator"
