The Didier Pti'tAvion () is a French

ultralight aircraft Ultralight aviation (called microlight aviation in some countries) is the flying of lightweight, 1- or 2-seat fixed-wing aircraft. Some countries differentiate between weight-shift control and Aircraft flight control system, conventional three-a ...

that was designed and produced by Didier ULM of

Francheval Francheval () is a commune in the Ardennes department and Grand Est region of north-eastern France. Population See also *Communes of the Ardennes department The following is a list of the 447 communes of the Ardennes department of Fra ...

. The aircraft is supplied as a kit for amateur construction or as a complete ready-to-fly-aircraft.Bayerl, Robby; Martin Berkemeier; et al: ''World Directory of Leisure Aviation 2011-12'', page 40. WDLA UK, Lancaster UK, 2011. ISSN 1368-485XBertrand, Noel; Rene Coulon; et al: ''World Directory of Leisure Aviation 2003-04'', page 135. Pagefast Ltd, Lancaster UK, 2003. ISSN 1368-485XTacke, Willi; Marino Boric; et al: ''World Directory of Light Aviation 2015-16'', page 75. Flying Pages Europe SARL, 2015.

Design and development

The aircraft was designed to comply with the

Fédération Aéronautique Internationale The World Air Sports Federation (; FAI) is the world governing body for air sports, and also stewards definitions regarding human spaceflight. It was founded on 14 October 1905, and is headquartered in Lausanne, Switzerland. It maintains worl ...

microlight rules. It features a

strut-braced In aeronautics, bracing comprises additional structural members which stiffen the functional airframe to give it rigidity and strength under load. Bracing may be applied both internally and externally, and may take the form of struts, which act in ...

high-wing A monoplane is a fixed-wing aircraft configuration with a single mainplane, in contrast to a biplane or other types of multiplanes, which have multiple wings. A monoplane has inherently the highest efficiency and lowest drag of any wing config ...

a two-seats-in-

side-by-side configuration Tandem, or in tandem, is an arrangement in which two or more animals, machines, or people are lined up one behind another, all facing in the same direction. ''Tandem'' can also be used more generally to refer to any group of persons or objects w ...

enclosed cockpit, fixed

tricycle landing gear Tricycle gear is a type of aircraft undercarriage, or ''landing gear'', that is arranged in a tricycle fashion. The tricycle arrangement has one or more nose wheels in a single front undercarriage and two or more main wheels slightly aft of th ...

and a single engine in

tractor configuration In aviation, a tractor configuration is a propeller-driven fixed-wing aircraft with its engine mounted with the propeller in front, so that the aircraft is "pulled" through the air. This is the usual configuration; the pusher configuration ...

. The aircraft is made predominantly from welded steel tubing, with its flying surfaces covered in doped

aircraft fabric Aircraft fabric covering is a term used for both the material used and the process of covering aircraft open structures. It is also used for reinforcing closed plywood structures. The de Havilland Mosquito is an example of this technique, as are ...

. Its span wing, has an area of and it constructed using a welded steel tube lattice spar,

aluminium Aluminium (or aluminum in North American English) is a chemical element; it has chemical symbol, symbol Al and atomic number 13. It has a density lower than that of other common metals, about one-third that of steel. Aluminium has ...

tube

ribs The rib cage or thoracic cage is an endoskeletal enclosure in the thorax of most vertebrates that comprises the ribs, vertebral column and sternum, which protect the vital organs of the thoracic cavity, such as the heart, lungs and great vessels ...

and a laminate

leading edge The leading edge is the part of the wing that first contacts the air;Crane, Dale: ''Dictionary of Aeronautical Terms, third edition'', page 305. Aviation Supplies & Academics, 1997. alternatively it is the foremost edge of an airfoil sectio ...

. The standard engine is the

Rotax 912UL The Rotax 912 is a flat-four engine, horizontally-opposed four-cylinder, naturally-aspirated, four-stroke engine, four-stroke aircraft engine with a Propeller speed reduction unit, reduction gearbox. It features Radiator (engine cooling), l ...

four-stroke A four-stroke (also four-cycle) engine is an internal combustion (IC) engine in which the piston completes four separate strokes while turning the crankshaft. A stroke refers to the full travel of the piston along the cylinder, in either directio ...

powerplant. The cockpit is wide and is intended to accommodate "bulky crew". The aircraft comes with its own open-frame trailer for ground transport.

Specifications (Pti'tAvion)

References

External links

*{{Official website, http://www.ptitavion.com/ 2000s French ultralight aircraft Homebuilt aircraft Single-engined tractor aircraft