The Ivanov ZJ-Viera (Faith) is a Czech ultralight and

light-sport aircraft A light-sport aircraft (LSA), or light sport aircraft, is a fairly new category of small, lightweight aircraft that are simple to fly. LSAs tend to be heavier and more sophisticated than ultralight (aka "microlight") aircraft, but LSA restrictio ...

that was designed by Marek Ivanov and produced by Ivanov Aero s.r.o. of Hradec Králové. The aircraft was supplied as a kit for amateur construction or complete and ready-to-fly.Tacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 63. Flying Pages Europe SARL, 2015. Ivanov Aero seems to have been founded about 2008 and gone out of business in 2016. The design is apparently out of production.

Design and development

The ZJ-Viera was designed to comply with the European single seat deregulated rules and US

FAR 103 Ultralight Vehicles Ultralight aircraft in the United States are much smaller and lighter than ultralight aircraft as defined by all other countries. In the United States, ultralights are described as "ultralight vehicles" and not as aircraft. They are not requ ...

rules, with an empty weight of just . It features a cantilever low-wing, a single-seat open cockpit with a windshield, fixed monowheel landing gear with wingtip wheels, or optionally

tricycle landing gear Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', arranged in a tricycle fashion. The tricycle arrangement has a single nose wheel in the front, and two or more main wheels slightly aft of the center of gravity. Tricycle g ...

, and a single engine in tractor configuration, mounted on a short nose pylon. The aircraft is made from

composite materials A composite material (also called a composition material or shortened to composite, which is the common name) is a material which is produced from two or more constituent materials. These constituent materials have notably dissimilar chemical or ...

. Its span wing has an area of and the design has a swept cruciform tail. The standard engine used is the

Hirth F-33 The Hirth F-33 is a single cylinder, two stroke, carburetted aircraft engine designed for use on ultralight aircraft, including powered paragliders and ultralight trikes. the engine is noted for its extremely light base weight of . It is ma ...

two-stroke A two-stroke (or two-stroke cycle) engine is a type of internal combustion engine that completes a Thermodynamic power cycle, power cycle with two strokes (up and down movements) of the piston during one power cycle, this power cycle being comple ...

powerplant, although a engine can be used. Before the company went out of business in late 2013,

InterPlane Aircraft InterPlane Aircraft sro, also called InterPlane Aircraft, Inc., was a Czech aircraft manufacturer based in Zbraslavice and founded in 1992. The company specialized in the design and manufacture of ultralight aircraft in the form of kits for ama ...

acted as distributor for the design, touting it for the US FAR 103 Ultralight category and the

category. As of February 2017, the design does not appear on the

Federal Aviation Administration The Federal Aviation Administration (FAA) is the largest transportation agency of the U.S. government and regulates all aspects of civil aviation in the country as well as over surrounding international waters. Its powers include air traffic m ...

's list of approved special light-sport aircraft.

Operational history

Reviewer Marino Boric described the design in a 2015 review as "the dream of ultralighting returns, but with a 21st century feel! Ultralight on the wallet, too, thanks to a combination of simple design and modern all-composite construction...this airplane shows every sign of becoming a landmark design".

Specifications (ZJ-Viera)

References

External links

Official website archives
on

Archive.org The Internet Archive is an American digital library with the stated mission of "universal access to all knowledge". It provides free public access to collections of digitized materials, including websites, software applications/games, music, ...

{{InterPlane Aircraft

InterPlane aircraft InterPlane Aircraft sro, also called InterPlane Aircraft, Inc., was a Czech aircraft manufacturer based in Zbraslavice and founded in 1992. The company specialized in the design and manufacture of ultralight aircraft in the form of kits for ama ...

2000s Czech ultralight aircraft Homebuilt aircraft Light-sport aircraft Single-engined tractor aircraft