Super 80 Professional – AOM
FLIGHT CONTROLS
Section 13 Page 3
Super 80 Professional – Aircraft Operating Manual
Coolsky, 2018
Rudder System
The rudder normally operates in the
powered mode and is actuated by
hydraulic pressure. In the event of a system
failure or by pilot selection, the rudder may
operate in manual mode actuated by a
control tab.
Powered Rudder Operation
During powered rudder operation, the
control tab is locked and the rudder is
actuated by hydraulic pressure from the
right system based on rudder pedal input.
Hydraulic power to the rudder may be shut
off by placing the rudder power control
handle in the manual position. When
hydraulic pressure drops below 950 PSI, the
rudder automatically reverts to manual
operation. Trim is accomplished by turning
the trim knob on the pedestal.
Manual Rudder Operation
During manual rudder operation, rudder
pedal movement operates a control tab on
the rudder. Trim is accomplished by turning
the trim knob on the pedestal.
Rudder Throw Limiter
A Rudder Throw Limiter is installed to protect
the empennage from overload in case of
inadvertent application of excessive rudder
control. The limiter operates by ram air
pressure from the pitot tube on the leading
edge of the vertical stabilizer. The higher the
speed, the more restriction on rudder
movement.
A Rudder Unrestricted light on the overhead
annunciator panel comes on whenever full
rudder throw is available.
Nose strakes are added to the forward part
of the fuselage to enhance directional
control during high angle of attack flight.
The rudder pitot tube is electrically heated
whenever probe heat is on.
Yaw Damper
A yaw damper is installed to provide
damping of any lateral directional
oscillation.
SECONDARY FLIGHT CONTROLS
Spoiler System
Each wing has inboard and outboard flight
spoilers that are operational during all
phases of flight.
Flight Spoilers
There are two Flight Spoiler panel on each
wing. These panels have a threefold
purpose:
•
They are used as roll augmentation
devices.
•
They are used as speed brakes when
the aircraft is in-flight.
•
They are used on the ground to act
as Ground Spoilers.
