PC-21 Multi Function Displays (MFD) Flashcards
What is the purpose of the MFD?
To allow the aircrew to visualize and select the different aircraft and mission system data.
What type of information do the MFDs show?
- Aircraft system status
- Tactical navigation
- Synthetic weapon system information
What is responsible for generating the data for the MFDs?
The mission computer
Are the two MFDs in each cockpit identical?
Yes
What types of data can be displayed on the MFDs?
- Status information for various systems
- Tactical information for various systems
- Alert and checklist information
- Simulate stores management and selection jettison
- Maintenance data
Are the MFDs required to display primary flight data?
No
What type of technology are the MFDs based on?
Active Matrix Liquid Crystal Display (AMLCD)
How many backlights are there?
Two, one for day and for night.
Do the keys on the bottom row of MFD have the same function at all times?
Yes
Do the MFDs receive their electrical power from different sources?
Yes
Where does the right MFD in each cockpit receive its power from?
The Mission Bus (which gets its power from the BATT BUS).
Where does the left MFD in each cockpit receive its power from?
GEN 1 BUS
What switch powers the MFDs?
MC/HUD
What occurs with the MFDs when the instructor switch in the front cockpit is set to solo?
Rear cockpit MFDs are de-energized.
What generates information for the MFD displays?
The mission computer (MC)
What switch allows the instructor the possibility to decouple the MFDs?
The MFD DCPL switch in the rear cockpit.
What can the instructor then do WRT the MFDs?
Deny the student access to specific display information and degrade their information.
What does the castle switch on the control column allow the pilot to do?
Swap the MFD screens when pushing left.
When connected to an external power source on the ground, do both MFDs display when MC switch is selected?
Yes
When on internal power and MC switch it selected, are both MFDs operational?
- No, only right one powered by the BATT BUS
- Left hand MFD comes on when GEN 1 BUS is powered.
What occurs when the cyan function is boxed on the MFD?
It has been selected
What occurs if the cyan function is grey?
It is not available.
What are the 6 groups of MFD pages?
1) Aircraft Systems (SYS)
2) Warnings (WARN)
3) Navigation (NAV)
4) Instructor (INST)
5) Operations (OPS)
6) Maintenance (MAINT)
When are Instructor and Maintenance pages available?
- Instructor available when MFDs have been decoupled
- Maintenance pages available only when A/C is on the ground.
What occurs when a red warning caption becomes active and the master SYS page is not displayed on the right MFD?
The right MFD automatically changes to the master SYS page.
What systems pages are provided on the master system page?
1) Hydraulics (HYD)
2) Electrics (ELEC)
3) Fuel (FUEL)
4) ECS (ECS)
5) Engine (ENG)
6) Frequency (FREQ)
7) Checklist (CHKL)
8) INS/GPS status (STS)
9) Maintenance (MAINT)
What does the warning page display?
Current warnings, cautions and advisory messages.
What is the OPS page used to do?
Manage and monitor the simulated weapons and their utilization in simulated combat sorties
What does the MFD FREQ page display?
Status of:
- Intercom
- COMM 1 + COMM 2
- NAV 1 + NAV 2
- TPDR
- TACAN
What is the default scale on power up for the map?
20 nm
What does selecting the MAP key on NAV page do?
Selects the digital topographical map on or off if any are loaded.
What does the CHART Key allow you to do?
Select a chart for display from a stored list.
What does the DLINK soft key do when pressed?
ADS-B contacts are displayed on the MFD NAV.
What ADS-B information is displayed on NAV page?
- Flight ID
- Altitude, in 100s feet
- Heading
- Groundspeed
What are the range and altitude limits filtered by the mission computer?
- Exclude contacts outside 80 nm
- Above 35,000 ft
What does the TAWS setup page display?
- TAWS selection
- TAWS state
- TAWS mode
- TCH: Shows the selected terrain clearance height
How is the brightness of the MFD display controlled?
1) BY the Displays control
2) Each display has a brightness bezel
3) Each display has auto brightness sensors
Are MFDS compatible with NVG use?
Yes
What will MFD do if no video signal is present?
MFD will show only a blue screen
What is shown in the absence of any data or control?
- The fail page is displayed to show that the system is powered and the graphics card is awaiting communication from the main processor card.
- Graphics are functioning but not valid data is recieved from teh mission computer main board.
What does the CTR key do?
Controls map orientation and switches between map modes:
1) CTR (Centred)
2) DEC (Decentred)
3) NUP (North up)
