HL-6
Role
Civil trainer aircraftType of aircraft
Manufacturer
CNNA
First flight
October 1942
Number built
60
The CNNA HL-6 was a civil trainer aircraft developed in Brazil in 1943.
Development
The HL-6 was a low-wing cantilever monoplane of conventional configuration. It employed a fixed tailskid undercarriage . The student and instructor sat in tandem, in open cockpits.[ 1]
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 216 kW (290 hp) Lycoming O-290C , and optional enclosed cabin. 39 units were constructed in 1944.
Specifications (HL-6B Cauré trainer)
Data from Jane's all the World's Aircraft 1947[ 2]
General characteristics
Crew: 2
Length: 7.2 m (23 ft 7 in)
Wingspan: 9.8 m (32 ft 2 in)
Height: 2.04 m (6 ft 8 in)
Wing area: 15 m2 (160 sq ft)
Empty weight: 545 kg (1,202 lb)
Gross weight: 750 kg (1,653 lb)
Fuel capacity: 88 L (23 US gal; 19 imp gal)
Powerplant: 1 × Lycoming O-290-C 4-cylinder air-cooled horizontally-opposed piston engine, 97 kW (130 hp) at 2,800 rpm for take-off
Propellers: 2-bladed wooden fixed-pitch propeller
Performance
Maximum speed: 200 km/h (120 mph, 110 kn)
Cruise speed: 180 km/h (110 mph, 97 kn) 70% power
Stall speed: 85 km/h (53 mph, 46 kn)
Range: 520 km (320 mi, 280 nmi) (radius 260 km (160 mi; 140 nmi))
Service ceiling: 4,500 m (14,800 ft) service ceiling
Rate of climb: 4.5 m/s (890 ft/min)
Time to altitude: 1,000 m (3,300 ft) in 4.2 minutes
Wing loading: 50 kg/m2 (10 lb/sq ft)
Power/mass : 8.046 kg/kW (13.23 lb/hp)
References
^ Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation . London: Studio Editions. p. 256.
^ Bridgman, Leonard, ed. (1947). Jane's all the World's Aircraft 1947 . London: Sampson Low, Marston & Co. pp. 7c–8c.
Further reading
Bertazzo, Roberto Portella (2003). A Crise da Industria Aeronáutica Brasiliera 1945-1968 . pp. 10–11.
External links