The following aircraft have separate database profiles and suggest they be linked:
Cessna 172N Skyhawk N734SZ with EC-GAK
Gates Learjet 55 N141SM with C-GSWP (already linked with two other airframes)
PA-28-161 Warrior ll G-BSSC with N81993 (to which United States should be added as the address)
PA-28RT-201T Turbo Arrow IV G-GPMW with N3576V (to which United States should be added as the address)
Peter