Concerning AS139 even Swidnik design was involved....for airframe design
and production, and that was before purchase/privatisation.
Concerning BA609 already 2 years, Bell/Textron reduced support to that program,
buy out, is sort of damage management. Heart of design MGB and distribution
shaft system was designed and made in Cascina Costa any way...
Concerning YAK130/M346 Russians was paid from Italian Finmechanicca / Alenia side, to make that project...airframe only
- Italian is transonic, Russian so far not.
Next similar cooperation project is SSJ regional jet built in KnAAPO