The CNNA HL-6 was a civil
trainer aircraft
A trainer is a class of aircraft designed specifically to facilitate flight training of pilots and aircrews. The use of a dedicated trainer aircraft with additional safety features—such as tandem flight controls, forgiving flight characteristic ...
developed in
Brazil
Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
in 1943.
Development
The HL-6 was a low-wing
cantilever
A cantilever is a rigid structural element that extends horizontally and is unsupported at one end. Typically it extends from a flat vertical surface such as a wall, to which it must be firmly attached. Like other structural elements, a cantilev ...
monoplane
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 con ...
of conventional configuration. It employed a fixed
tailskid undercarriage. The student and instructor sat in tandem, in open cockpits.
Variants
*HL-6 - prototype. One built
*HL-6A - similar to prototype but with more powerful engine. Five units were constructed in 1943.
*HL-6B Cauré - Similar to HL-6A but with more powerful engine
Lycoming O-290C, and optional enclosed cabin. 39 units were constructed in 1944.
Specifications (HL-6B Cauré trainer)
References
Further reading
*
External links
São Paulo Technical Museum website{{CNNA Aircraft
HL-6
1940s Brazilian civil trainer aircraft
Low-wing aircraft
Single-engined tractor aircraft
Aircraft first flown in 1942
Single-engined piston aircraft
Aircraft with fixed conventional landing gear