Honda Aircraft Company
HA-420 SYSTEMS
POM DESCRIPTION
HJ1-29000-005-001
October 30, 2016 1-110
SECONDARY FLIGHT CONTROLS
Pitch Trim System
Each elevator is equipped with one trim tab driven by a single electrical
trim actuator installed in the horizontal stabilizer. An actuator position
sensor provides position feedback to the avionics system. The primary
pitch trim is actuated by trim switches installed on each yoke. Primary
trim is fully monitored and trim rate is scheduled with airspeed. Left and
right trim tab positions are continuously synced whenever they are in
motion.
Selecting the PITCH MODE switch to STBY activates the standby pitch
trim mode that bypasses the normal trim drive circuit and provides single
speed, direct drive of the actuator.
Roll Trim System
Each aileron is equipped with one trim tab driven by a single electrical
trim actuator installed in the aileron. An actuator position sensor
provides position feedback to the avionics system. The roll trim is
actuated by trim switches installed on each yoke.
Roll trim can be disabled by selecting the POWER – ROLL switch to
OFF.
Yaw Trim System
The rudder is equipped with one trim tab driven by a single electrical
trim actuator installed in the rudder. An actuator position sensor provides
position feedback to the avionics system. The yaw trim is actuated by a
trim switch mounted on the aft pedestal.
Yaw trim can be disabled by selecting the POWER – YAW switch to
OFF.
FOR TRAINING PURPOSES ONLY
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