Antenna and small detail parts were not molded with the fuselege curve taken into account so they didn't mount flush. Using a round file helped some, but trying to match the curve on the small and fragile parts was limited at best.
I bought some aftermarket slanted letters and numbers from Draw Decal for the registration numbers. My choice of letters reflects my disappointment with my work on the model.
Trying to build the kit again would yield better results, I'm sure, but it is a shame that commercial biz-jets aren't seen by the major kit manufacturers as a viable market.
They are attractive aircraft.