Russia's most recent 5th Gen fighter aircraft Su-57 was called PAK-FA on factory level. Russia is working on creating a new Strategic bomber and it is called PAK DA at this stage. Pak DA will take five to seven years to build.
The General Director of PJSC "Tupolev", Alexander Konyukhov, described the development time of a strategic bomber of a promising long-range aviation complex. "The creation of a product-80" (PAK DA, factory designation) It has been established for five to seven years, "Konyukhov's statement quoted Star.
At the beginning of the development of PAK DA United Aircraft Corporation announced in November last year.