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OPERATION MANUAL
SILA 450 c
AERO EAST EUROPE
Date 01.09.2015.
Revision 00
Page | 43
7.5 LANDING GEAR SYSTEM
SILA 450 C is equipped with non – retractable landing gear. Landing gear consist of main
landing gear, with two legs connected to the fuselage and nose leg with shock absorber
connected to firewall. Legs of main landing gear are from aluminum 2024 T4 and nose leg is
from chrome – molybdenum steel. Wheels are 6 inches DURO Super Guide 15x6.00-6, with
magnesium alloy wheels and axles from chrome molybdenum. Main landing gear is
equipped with brake system connected to the rudder pedals, so pilot can breaking or to
release brakes during take – off and landing run and during the taxying on ground.
7.6 SEATS AND SAFETY BELTS
SILA 450 C is two seated aircraft, seats are positioned side by side, left seat is for pilot and
right is for the copilot. Seat template is from epoxy plastic wear by sponge and leader. In
basic version seats are not adjustable, but it’s possible to deliver aircraft with adjustable
seats under client requests. Safety harnesses (belts) for pilot and copilot are part of basic
equipment.
7.7 BAGGAGE COMPARTMENT
Baggage compartment is positioned behind pilot and copilot seat, and weight of baggage is
limited to 20 kg.
7.8 DORS, WINDOWS AND EXITS
Doors are positioned on left and right aircraft side in manner to make easier entrance and
exit to aircraft, in flight doors are closed. Windshield and windows are from “makrolon”
because better visibility.
7.9 ENGINE OIL SYSTEM
Oil for the engine lubrication is supplied from a tank out of the engine. The full capacity of
the engine oil tank excluding radiator and pipelines is from a min. of 2Lts up to a max of
3,5Lts.
The engine is provided with a dry sump forced lubrication system with an oil pump with
integrated pressure regulator. The oil pump is driven by the camshaft.
The oil pump sucks the motor oil from the oil tank via the oil cooler and forces it through the
oil filter to the points of lubrication it lubricates also the propeller – engine gear box (it is
strictly recommended the use of oil with gear additives and the use of aircraft engine oil for
directed driven engines is not allowed. The surplus oil emerging from the points of
lubrication accumulates on the bottom of the crankcase and is forced back to the oil tank by
the piston blow-by gases. (The oil circuit is vented via the nipple in the oil tank). According to
the check lists the procedure of oil level check/replenish must take into account the
following:
Always allow engine to cool down to ambient temperature before starting any work
due to risks of burns.