HR. - Heading Reference
HR. stands for Heading Reference
Here you will find, what does HR. stand for in Aircraft and Aviation under Misc category.
Popular queries with answer
How to abbreviate Heading Reference? Heading Reference can be abbreviated as HR. What does HR. stand for? HR. stands for Heading Reference. What does Heading Reference mean?Heading Reference is an expansion of HR.
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Alternative definitions of HR.
View 113 other definitions of HR. on the main acronym page