Avionics System Integration

Question 1

What is the mission computer?

Answer 1

The mission computer is the central component of the avionics system. Flight critical elements of the avionics system are designed to be independent of the single MC.

Question 2

How does it work broadly?

Answer 2

It coordinates inputs from the avionics system and sends video for display on the MFDs.
It also sends information to the HUD system and the PFD.
The MC is controlled through the UFCP, the MDF and the HOTAS.

Question 3

What is included in the MC?

Answer 3

One main processor, two graphics processor cards and one radar processor card.

Question 4

How is it supplied with power?

Answer 4

By selecting the mission switch to MC or MC/HUD connects the MISSION BUS to the BATT BUS and energizes the MC and the subsystems.

Question 5

What are the MC functions?

Answer 5

• Tactical navigation and operational training
• Enhanced engine indicating and crew alerting system (EICAS)
• Systems displays and monitoring
• Electronic checklists
• Mission data recording

Question 6

What other functions does the MC provide?

Answer 6

• UHF-VHF radio
• ATC transponder
• VOR and ILS receivers
• DME transceivers
• TACAN
• AGs
• Aural Warnings
• Intercom volume

Question 7

What front cockpit controls, indicators and displays are entirely or partially depends on the MC?

Answer 7

• HUD and HUDR
• UFCPs
• MFDs
• Decouple panels
• Arm panel

Question 8

What are RIOCS and how many are there?

Answer 8

• Remote-input-output-concentrators

- 4 of them

Question 9

What are the RIOC functions and interfaces?

Answer 9

They gather discrete, analogue and data bus signals from other systems and components in the aircraft, concentrate the data, perform control and monitoring logic and pass it on to the MC and to each other.

Question 10

What are the PFD and SFD?

Answer 10

• Flight instrumentation displays are shown on one PFD, mounted centrally in each cockpit.
• Backup data is provided by the SFC in the front cockpit and also shown on the SFDR in the rear cockpit.
• The PFD uses the SFD data for an attitude comparator function.
• The front and rear PFDs and the SFC and SFDR always operate in tandem.

Question 11

The following systems supply critical data to the PFD?

Answer 11

• MC
• ADC
• IRS
• FMS
• VOR 1 and ILS 1 receiver
• VOR 2 and ILS 2 receiver
• TACAN and DME transceiver
• Radar altimeter
• RIOC 2

Question 12

The SFD has an integral attitude source and the following systems supply data for other SFD indications

Answer 12

• Air data from the ADU

- Heading data from the MHS

Question 13

What does the HUD system comprise of?

Answer 13

• HUD PDU (front cockpit)
• HUDR (rear cockpit)
• HSG

Question 14

What are the multi function displays and how many are there?

Answer 14

• The MFDs provide the primary display of all mission data and control input to the MC through pilot-operated soft keys on the MFD bezels.
• There are two multi function displays, one on either side of the PFD.

Question 15

What are the acronyms for the following?

• Hydraulic
• Electrics
• Fuel
• Environmental control system
• Engine
• Communications
• Checklists

Answer 15

• Hydraulic (HYD)
• Electrics (ELEC)
• Fuel (FUEL)
• Environmental control system (ECS)
• Engine (ENG)
• Communications (FREQ)
• Checklists (CHKL)

Question 16

What MFD pages are provided in Warnings?

Answer 16

• WARN

Question 17

What are the acronyms for the following? 
 Navigation (POI filter) 
- Navigation (map controls) 
- Navigation (overlay controls) 
- Navigation status 
- Mission 
- TAWS set-up page
- Charts list and display
- Mission information page 
- TAWS set-up page

Answer 17

• Navigation (POI filter) - NAV - ALL
• Navigation (map controls) - NAVL - MCTL
• Navigation (overlay controls) - NAV - OCTL
• Navigation status - STS
• Mission - MSN
• TAWS set-up page - TAWS SETUP
• Charts list and display - CHART
• Mission information page - LIST
• TAWS set-up page - TAWS SETUP

Question 18

What are the acronyms for MFD for the following?

• Operations
• Selective jettison edit
• Weapon scores (air-to-air)
• Weapon scores (air-to-ground)
• Radar
• Datalink setup

Answer 18

• Operations - OPS
• Selective jettison edit - SJ EDIT
• Weapon scores (air-to-air) - SCORE (MSL)
• Weapon scores (air-to-ground) - SCORE (BOMB, RKTS, GUN).
• Radar - RDR (AA or AG)
• Datalink setup - DLINK SETUP

Question 19

What are the acronyms for MFD for the following?

• Air-to-air setup (EW)
• Air-to-air setup (radar fly)
• Air-to-ground (EW)
• Air-to-ground setup (radar drive)

Answer 19

• INST
• AA SET
• AA SET - RUN
• AG SET
• AG SET - RUN

Question 20

What are the acronyms for MFD for the following?

- Maintenance

Answer 20

• MAINT

Question 21

What radio navigation aids are fitted?

Answer 21

• VOR 1 and ILS 1 receiver
• VOR 2 and ILS 2 receiver
• TACAN and DME transceiver

Question 22

How are the radio navigation aids controlled for primary and secondary?

Answer 22

Primary control is by the MC through the UFCPs

Secondary control is available through the FMS units.

Question 23

What is the FMS navigation?

Answer 23

• The FMS provides RNAV in accordance with the requirements of standard civil IFR.
• Subject to receiving acceptable navigation information, the FMS provides RNP capability in enroute, terminal, approach and departure phases of flight.