HL-1
A HL-1 in Expo Aero Brasil, 2004
Role Civil utility aircraft
Manufacturer Companhia Nacional de Navegação Aérea (CNNA)
First flight 18 June 1940
Number built 140

The CNNA HL-1 was a light utility aircraft developed in Brazil in 1940. It was a high-wing strut-braced monoplane with fixed tailskid undercarriage and seating for two persons in tandem.

Development

The design was developed by Henrique Lage as a two-seat cabin monoplane, bearing a strong resemblance to the contemporary Piper Cub. It was produced by the Cia Nacionale de Navegaçao Aéreo (CNNA) as the HL-1. Most of the aircraft were purchased by Brazilian aeroclubs, funded by the government's National Aviation Campaign (Campanha Nacional de Aviação) to train pilots for military service. Production continued until 1950 and a small number were exported to neighbouring countries.

Variants

HL-1A
Eight were built.
HL-1B
Main production version with smaller fuel tank than original design.
HL-1C
One prototype constructed
HL-5
Floatplane version. One prototype constructed.

Specifications

Data from Jane's all the World's Aircraft 1947[1]

General characteristics

  • Crew: 2
  • Empty weight: 340 kg (750 lb)
  • Gross weight: 580 kg (1,279 lb)
  • Fuel capacity: 50.5 L (13.3 US gal; 11.1 imp gal) (73 Octane); 3.8 L (1.0 US gal; 0.84 imp gal) oil
  • Powerplant: 1 × Continental A65-8 4-cyl. air-cooled horizontally-opposed piston engine, 48 kW (65 hp)
  • Propellers: 2-bladed fixed pitch wooden propeller

Performance

  • Maximum speed: 150 km/h (93 mph, 81 kn)
  • Cruise speed: 125 km/h (78 mph, 67 kn)
  • Power/mass: 11.935 kg/kW (19.6 lb/hp)

References

  1. ↑ Bridgman, Leonard, ed. (1947). Jane's all the World's Aircraft 1947. London: Sampson Low, Marston & Co. p. 8c.

Further reading

  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. p. 256.
  • Bertazzo, Roberto Portella (2003). A Crise da Industria Aeronáutica Brasiliera 1945-1968. p. 10.
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing. p. 2572.
  • Pereira, Roberto (1997). Enciclopédia de Aviões Brasileiros. São Paulo: Editora Globo. pp. 184–187. ISBN 9788525021373.
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