Helinut,
The EC135 and 145 had the option to have Dual Pilot IFR or SPIFR certification. In my case I fly SPIFR but have the DPIFR setup so can fly 2 crew missions
From what I understand from ECD, if you buy a new EC135 or 145 now as IFR version it is automatically sold as DPIFR
Rgds
WLM
