Aviation abbreviation
Flight Information Region Boundary
FIRB
At a glance
Meaning of Flight Information Region Boundary
FIRB stands for Flight Information Region Boundary in FAA terminology.
More about Flight Information Region Boundary
This abbreviation is used in flying and flight procedures. The English reference lists Flight Information Region Boundary with the abbreviation FIRB.
FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.