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