Embraer EMB145, Operation Manual

Page: 89 / 2662

GENERAL AIRPLANE
OPERATIONS
MANUAL
1-00-30
Page
8
Code
01 REVISION 41
Copyright © by Embraer. Refer to cover page for details.
A
O
M-145/1
114
VERSION 20.5
The EICAS 20.5 features implemented in the software are described
below:
Air conditioning system

"BLEED 1(2) VLV CLSD" message logic improved in order to avoid
spurious alarms.
Fuel System

"FUEL VENT OPEN" and "FUEL XFER INOP" messages logic
improved in order to avoid spurious alarms
(only applicable to
EMB-145 XR model) .
Powerplant System

"ENG1(2) REV DISAGREE" message logic improved in order to
avoid spurious alarms.
Pressurization System

"HI ALT LDG-T/O" message changed from caution to advisory
(only applicable to airplanes properly equipped for High
Altitude Operation)
.
Navigation System

The Radio Altimeter indication was modified in order to reduce the
discrepancy between the current altitude of the airplane and the
PFD Radio Altitude indication.
Autopilot System

Pitch Wheel Command Integrator - Correction to avoid poor
Autopilot response when using the Pitch Wheel while coupled to
the copilot’s Flight Director, which may cause the Autopilot logic to
reset an integrator, resulting in sluggish Autopilot response.

Pitch Axes - Correction to avoid Autopilot nuisance disconnection
due to the Pitch Primary Monitor during the Coupled Autopilot Go-
Around test
(only applicable to EMB-145 XR model) .
General Changes

New AZ-950 MADC Maintenance Page on PFD.