Performance Specifications; Ll Axi S; Pitch Axis; Pitch Trim - Honeywell BENDIX/KING KAP 140 Maintenance Manual

2.3 PERFORMANCE SPECIFICATIONS

The AFCS will provide the following performance in smooth air.
2.3.1 ROLL AXIS
Roll Stabilization will maintain wings level with a maximum heading rate of 6 degrees per minute
(with roll offset nulled). The Heading Select mode will hold heading within ±2.0 degrees (with the
heading offset nulled). The NAV Track will provide up to 30 degrees of crosswind correction for
VOR tracking and reversion to heading hold for VOR station passage. No sustained oscillations
will be noticeable in the VOR tracking, and sustained tracking errors should be less than 1.0
degree. Localizer will track within ±0.25 degrees down to 200 feet AGL (front course) with no
sustained oscillations. Coupling to a GPS will provide sustained tracking errors less than 1.0 nm
in Enroute mode and .05 nm in Approach mode.

2.3.2 PITCH AXIS

Vertical Speed Hold will maintain its reference within +/-- 150 FPM (up to 1000 FPM) in roll--level
flight. Altitude Hold will maintain its reference within +/--50 Feet in level flight; altitude gain or loss
in turns should not exceed 50 feet. Glideslope Track will track to 200 feet AGL without sustained
oscillations. Altitude Arm and Capture will operate with vertical speeds up to +/-- 2000 FPM with
less than 0.2 g normal acceleration and less than 100 feet overshoot over the altitude range of the
aircraft (when armed prior to the capture point).

2.3.3 PITCH TRIM

If installed, pitch autotrim should maintain the long--term effort of the pitch primary servo to less
than 3 pounds force, as reflected into the pilot controls, or +/--200 FPM (when Altitude Hold mode
is disengaged), whichever is greater. The system also indicates the need for manual pitch trim
whenever the required servo effort exceeds the autotrim threshold for 5.0 seconds (15 seconds
on --5403, --5504, --7703 and --7904), if trim is installed). If autotrim is not supplied, this provides
a manual trim indication to the pilot; otherwise, it indicates a (passive) autotrim failure.
Revision 2, Dec/2002
CS:15574F02.IDU
BENDIX/KING
KAP 140
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