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Atec 321 Faeta



The ATEC 321 Faeta is a cantilever low-winged all composite aircraft with a high content of carbon fibre. The ultralight modification is one of a series of very light sport planes of a derived design. The two crew aircraft is equiped with a high-speed parachute rescue system without a drastic loss of payload.

The wing is a reinforced shell of a carbon-fibre sandwich with a tapered backswept wing of SM 701 airfoil full span. The all-composite main wing spar is equipped with carbon flanges for a high safety factor, and slotted flaps. The fuselage is a carbon-fibre shell braced by multi-layer wooden bulkheads. The cross-section is elliptic with wing fillets and a spacious cabin. The hinged perspex canopy can swing upwards and backwards. A steerable nosewheel is attached to the firewall.

The all-composite T-tail is tapered and the tapered vertical tail surface is part of the fuselage shell. The rudder suspended from the last fuselage bulkhead is completely composite.

The landing gear is a fixed with a steerable nose wheel. The main gear is composite leaf springs and the front leg is composite and metal tubes. The main wheels are equipped with disc brakes. The main tyres are 350x120 mm, while that of front tyre is 300x100 mm. All wheels have aerodynamic fairing.




The dual control checking points in the wings are equipped with inspection holes with a perspex covering. The ailerons, flaps and elevator are controlled through the control rods and levers, the rudder through the steel wire ropes. All the control attachments are situated within the airframe.

The engine options include Rotax 912 UL 80 HP or Rotax 912 SUL 100 HP that drives a FITI three or two blade ground adjustable propeller.

The fuel tank is integrated in the fuselage. The static and dynamic pressure for instruments is taken from the Pitot tube attached below the port wing.

321 Faeta
Stall: 32 kt / 37 mph / 60 kmh
Cruise: 124 kt / 143 mph / 230 kmh
VNE: 148 kt / 171 mph / 275 kmh
Empty Weight: 275 kg / 606 lbs
MTOW Weight: 472 kg / 1041 lbs
Climb Ratio: 1400 ft/min / 7 m/s
Glide Ratio: 1:18
Take-off distance (50ft obstacle): 660 ft / 200 m
Landing distance (50ft obstacle): 980 ft / 300 m


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