TRJ-328
The TRJ-328 was to be used as a test bed for the TRJ-628. Capacity was to be limited to 32 seats. The aircraft would fill direct and frequent flights to and from small cities in Turkey which were not then possible with larger aircraft.TRJ-628
The TRJ-628 was to feature 60 to 70 seats and would be an overall larger airplane.References
Airliners Turkish civil aircraft {{aircraft-stub