Cessna TURBO CENTURION T210M 1978 Pilot Operating Handbook page 359

PILOT'S OPERATING HANDBOOK
SUPPLEMENT
CESSNA 400B IFCS
. (TYPE IF-550A)
SUPPLEMENT
CESSNA 400B INTEGRATED
FLIGHT CONTROL SYSTEM
(Type IF-550A)
SECTION 1
GENERAL
The Cessna 400B Integrated Flight Control System provides a capabil-
ity of automatic flight control or manual control with precision flight
direction command provided by computed information. The complete
presentation for the system is displayed on the Flight Director Indicator
(FDI), the Mode Selector and the Horizontal Situation Indicator (HSI).
The operation of the manual and the automatic system is basically the
same. The difference is whether the pilot decides to follow the Flight
Director commands manually or allows the autopilot to fly the airplane.
Precision flight direction information for manual control is provided
on the FDI. The FDI includes a symbolic airplane which incorporates pitch
a nd roll command bars. The pilot merely flies the airplane to center the two
command bars to follow the calculated flight path determined by the
computer. In this way, climbs, descents, or turns are easily and accurately
executed.
A Horizontal Situation Indicator (HSI) displays a pictorial presenta-
tion of the airplane's position relative to VOR radials , localizer and glide
slope beams. The HSI also gives heading reference with respect to
magnetic north and provides selection of the desired heading, VOR radials,
LOC runway heading, and RNA V course when installed.
For automatic flight , the autopilot ON-OFF switch on the autopilot
controller, is activated. Pitch and roll manual command controls are also
located on this unit. All other normal modes of flight are controlled from
the Mode Selector.
An automatic autopilot disengage function (provided by the "G"
switch in the acceleration sensor) will automatically disengage the
autopilot anytime the airplane pitches down at more than a normal rate
from normal flight attitudes. The operational capability of the disengage
function should be tested before takeoff by pressing the TEST-EA FLT
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