This is the result of over 20 years of experience in designing energy-efficient motor-planes, which follow the glider philosophy. The aircraft shapes are so clean that they enable flying with the minimum power and noise, as well as lowest fuel consumption, when keeping the performance on the same level or even better. Approved for intentional spins and Night VFR, Virus SW 121 has the best flight characteristics in its category.

Strukturna popolnost je vsota znanja, pridobljenega pri izdelavi 1300 letal iz iste družine izdelkov. Virus SW 121 je certificiran, se uporablja v najtežjih pogojih po vsem svetu in  izpolnjuje pričakovanja najbolj zahtevnih strank, vključno z indijskim Ministrstvom za obrambo, ki je kupilo skoraj 200 Pipistrelovih letal kot uradna šolska letala indijskih letalskih sil, mornarice in kadetov za osnovno izobraževanje vseh indijskih vojaških pilotov.

The flight characteristics of the Virus SW 121 are a testament to the aircraft with simple, extremely efficient, environment-friendly features, but at the same time reaching superb performance that can satisfy even the most demanding pilots. Due to its advantages, excellent characteristics, low running costs and affordability, it is the best choice on the market as an advanced trainer for the training organizations.

SW 121 ima najboljšo opremo v kategoriji, med drugim:

• kabina z dvema digitalnima prikazovalnikoma
• full-featured autopilot
• high-speed and the longest range in its category
• balistični reševalni sistem s padalom za celotno letalo
• certificiran motor, ki lahko deluje na avtomobilsko gorivo
• certificiran hidravlični propeler konstantne hitrosti
• odobritev za namensko izvajanje zvrta
• odobritev za nočni vizuelni režim leta
• zračne zavore za hitro spuščanje
• vleka jadralnih letal

• Hiter in varčen :
  To je najhitrejše, najbolj sposobno in najbolj varčno letalo v CS-LSA kategoriji. Njegova hitrost omogoča letenje pri hitrosti za instrumentalni režim leta/v bližini kompleksnih zračnih prostorov in postopkov, tako da je uporaben za zasebno rabo in šolanje tudi na zasedenih letališčih, ne da bi s tem oviral potniška letala in upočasnjeval drugi promet.
• EASA Type-Certificate:
  It is the first and the only EASA Type-Certified (no restrictions, category “normal”) aircraft in CS-LSA category for Night VFR operations, Intentional spins and glider-towing, the only one with an autopilot, dual redundant ADAHRS units and airbrakes. It can be used for commercial operations and it is the ideal solution for PPL training.
• 3D printed parts:
  It is the first small aircraft in history to be type certified with 3D printed parts. The Virus SW 121 enables the flight schools to substitute their multi-aircraft system, where they have to use at least one aircraft for basic training and another for advanced training, for one aircraft only. By combining the capability typically obtained with several aircraft into a single one, they can drastically lower the purchase price and initial costs of the training fleet.
• Multiple learning purposes:
  It can be used for different learning purposes: as a very simple initial trainer at the beginning of the process, until more advanced systems – such as constant speed propeller, negative flaps, airbrakes and autopilot – decide to be included. The instructor can slowly increase the difficulty of subjects in the later stages of training by the gradual addition of new systems and options which the aircraft is certified for (intentional spins, longer routes and the use of auto-pilot, also during the night thanks to the night VFR approval etc.).
• “En-route IFR training”
  Virus SW 121 is packed with state-of-the-art navigation and communication equipment: as such it can also be partially used for “en-route IFR” training in several countries This makes the Virus SW 121 the only 2-seat aircraft in the market which enables training from the simplest beginnings to the difficulty of a twin-engine aircraft for obtaining higher pilot licences.
• Vleka jadralnih letal:
  Letalo je certificirano tudi za vleko jadralnih letal, zaradi česar je še bolj uporabno, zlasti v primerih, ko je še pomembneje, da se lahko v celoti uporabijo vse ure letenja na njem.