Pressurized all-metal high-wing commuter for 19 passenger with cruise speed above 500 km/hour. Wide-body fuselage with 1+2 seat abreast. Project in official LET and state goverment schedule. Started under USSR interest, after communist bankruptcy adapted according to world market.

Allmetal fourseat GA aircraft - low wing with retractable landing gear. Study is following stopped development of FAMILY AIR, project of former LET chief designer Mr. Smrček.
L-110 is smaller, faster but in the same time more comfortable. Cruising speed 300 km/hod.

Allmetal twin-engine turboprop aircraft for carrying of 2100 kg bulk cargo or three MD3 container transport. Design based on L410 structure, with used ones rebuilding possibility. Rework with higher fuselage top and larger door installation, alternative with rear loading ramp. Study created according to FedEx interest.

One-engine bizjet for 4-6 passengers, used parts , subassemblies and systems from L-39 Albatros military trainer. All metal low wing , which styling is purposely done in military look, connected with thousands flying L-39 Albatros military trainers. Cruise speed 500-600 km/hod.

Allmetal twin-engine aircraft for carrying of 800 kg bulk cargo or 9 passengers transport. Rear cargo ramp and two tail booms for simpler uploading from trucks or cargo ramps for containers. Study uses experiences from older cargo aircraft projects prepared for Let Kunovice and Letov aircraft producers - but without not needed limits. Cruise speed 250 km/hod