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Terms
for subject
Aviation
containing
РПИ
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English
верхний
РПИ
upper flight information region
(
MichaelBurov
)
верхний
РПИ
UIR
(
MichaelBurov
)
воздушное пространство нижнего
РПИ
open flight information region
(
MichaelBurov
)
воздушное пространство нижнего
РПИ
open FIR
(
MichaelBurov
)
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