M5.15 Flashcards
What does ACARS stand for
ARINC communicating and Addressing Reporting system
What does ACARS use
- VHF 3
SATCOM
HF
Data transferred from the ground to the aircraft is called what
Uplink
What standard defines the operation of the ACARS management unit
ARINC 597
Who are the manufacturers for EICAS and ECAM
EICAS - Boeing
ECAM - Airbus
EICAS
Engine Indicating Crew Alerting System
ECAM
Electronic Centralised Aircraft Monitoring
How many EIS (ECAM/EICAS) computers are in control
One in control and one in standby
What does EICAS display on the upper unit
Primary parameters
When do the row of “v”s show on the upper display screen
When secondary information is being displayed on the lower unit
How many messages can be displayed on EICAS
11
What are the three levels of alert messages
Level A - warnings
Level B - cautions
Level C - advisories
Colours of EICAS alert messages
Warning - Red
Caution - Amber
Advisories - Amber
FBW: All flight control surfaces are what
Electrically controlled hydraulically operated
How many flight control computers process pilot and autopilot input
7
What four systems make up FMS
- Flight management Computer
- Digital flight control system
- Auto-throttle
- Inertial reference system
Four major FMS subsystems
- Digital Flight Control System (DFCS)
- Two flight control computers (FQC)
- Mode control panel (MCP )
FMC fault information can be held for how long
10 flights
FMS modes of operation
Current
In flight
LRU interface
Land Verify
How many CDUs are included in the FMCS
2 CDUs
How often does the FMC data base have to be updated
Every 28 days
What does IRS stand for
Inertial Reference System
Components of the IRS
IRU
MSU
ISDU
How long does it take an IRS to align
Around 10 mins
IRU primary output signals
Attitude
Heading
Ground speed
Wind
Inertial vertical speed
Does IRU require a flux valve and why
No, magnetic variations are stored in memory
Why does IRS require back up supply
The calculations must never be interrupted during flight
If a IRS calculation are interrupted what is the remaining output
Attitude
Calculations of a IRS can never be turned off when
In flight
