Flight and Operations Manual of ATEC 321 Faeta ultralight aircraft with Rotax 912 iS Sport
ATEC v.o.s. Libice nad Cidlinou, Czech Republic Page 34 of 56
6.1. Introduction
The assembly of individual parts of the aircraft is described in this chapter. At least two persons are
needed for assembly/disassembly. All parts necessary for assembly are delivered with the aircraft.
Do not push hardly on any surface during manipulation with parts to avoid cracks in the gel-coat
(especially in the area of dividing lines, edges, not-stiffened areas).
Clean, grease and secure all pins before assembly. Pay attention to correct adjustment of ailerons and
flaps, which is carried out by shortening and prolonging of connecting pushrods (screw/unscrew
adjustable ends).
With each next assembly, it is necessary to replace locking nuts and split pins with new ones.
After the aircraft assembly, carry out deflections adjustment according to levelling record and carry out
engine run test with a focus on correct function of the fuel tanks and correct values on the fuel
indicator.
6.2. Horizontal Tail (HT) Assembly / Disassembly
At least two persons are needed for HT assembly/disassembly. Third person is recommended to push
the fuselage tail down to the ground to enable better access to the HT and its fitting. Pay attention to
avoid a fall of small parts into the inner space of the tail fin during manipulation!!
Horizontal tail assembly
• Elevator pushrod connection
Deflect the control stick to fully „pushed“ position and secure (block) it softly to avoid its movement
during assembly. This position enables better access to the elevator pushrod, which is then protruding
from the tail fin.
The assistant can carefully push the fuselage tail down to the ground and hold it in a position which
enables to reach better access to the HT and its fitting during all the process of assembly.
Take the HT and place it over the siderudder in such a position to keep an access to the end of the
pushrod protruding from the tail fin. The assistant holds the HT keeping the elevator maximally
deflected upward, so that the elevator control lever is protruding from the HT surface.
Connect the pushrod with the elevator control lever by the pin of Ø 5mm and spacer + split pin.
Connect the cable connector of the servo (in case of electrical trim option).
• Fixing the HT to the fuselage
Settle the HT on the fuselage tail and screw two M8 screws of the main fitting, but do not tighten them
fully yet. Insert the vertical screw M6 (with nylon) into the hole on the upper side of the HT and tighten
it fully with adequate power. Come back to both M8 screws on the main fitting and tighten them fully.
• Screws Securing
Secure both M8 screws with a binding wire. Appropriate holes for binding wires are situated in the main
fitting and four holes are in the head of the screw. Secure the vertical nylon-screw with a binding wire
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