CONTROLS AND DISPLAYS EXAM REVISION Flashcards
How are SP systems partitioned for redundancy?
Software partitioning mechanisms are accomplished in both time and space
What is the power source for SP1 and SP2
SP1: ISOLATED DC
SP2: CAVS
If the ISO DC Bus is the sole operational power source, what MCDU do we use?
Pilot (LHS) only
What is the time taken for an SP swap?
1-3 secs
What are the visual indications that an SP swap has occured? (5)
- Black screens and red X’s for 1-2 secs during transfer (info not available during this time)
- Change of SP Master on switch
- AP disconnect (with tone)
- “resync required” Message
- MCDU reverts to menu page and displays “FMC fail” message
If the Pilots MFDU outboard fails (PFD), what would happen automatically?
An automatic switch to the SFD (inboard MFDU)
What are the 3 visual indications that aid unusual attitude recovery?
- Excessive pitch chevrons
- Attitude eyebrow
- Auto declutter
What pitch & roll attitudes automatically active the auto-declutter? (3)
- Roll attitude >65deg (L/R)
- Pitch attitude >30deg nose up
- Pitch attitude >20deg nose down
When do normal displays come back after excessive pitch conditions? (3)
- Roll attitude <63deg (L/R)
- Pitch attitude <28deg nose up
- Pitch attitude <18deg nose down
When Baro mins are selected, what extra visual feature is displayed?
- Baro mins readout displayed lower right of ADI
- Baro alt minimums bug
What are the 3 comparison annunciators for ILS miscompare
- LOC
- GS
- ILS
What altitude does the rising RWY appear and how does the indication move? (2)
- RADALT less than 200ft AGL
1. moves vertically based on RADALT value
2. moves horizontally based on expanded localiser value
What information does the Airspeed trend vector provide?
Indicates the airspeed the aircraft will reach in 10 secs if the current acceleration/deceleration is maintained
What does the Meters button do?
Does the pre-selected Alt stay in Ft or meters?
- enables altitude tape AND selected altitude format to be displayed in meters instead of feet
What are the bearing selections available on each bearing pointer? (5)
- None
- VOR
- TACAN
- ADF
- VUDF
What does the WX radar button toggle between (3)
- ND format ON
- WXR video format ON
- Moving map video format ON
Attitude sources: what colours are displayed in different conditions?
- Amber text on black background: when pilot & co have selected the same source
- White text on black background: if pilot & co are both selected to offside sources
If there is no attitude source indication on the PFD, how would you know what source is being used for the SFD?
Each respective DCP will provide the FMS with its selected attitude source for display on the associated MFDU.
What are the 4 selections for the DCP declutter button?
- DECL OFF
- DECL NAV
- DECL APT
- DECL NAV/APT
what is the main difference in display between FMS and other navaids?
- “bearing source annunciation” symbols located bottom L & R of HSI
- FMS is coloured magenta, for navaids it is coloured cyan
How can you work out from the SFD and PFD what NAV source is being used
PFD: “bearing source annunciation” symbols located in information box left of PFD HSI
SFD: “bearing source annunciation” symbols located bottom L & R of HSI
What information is presented on the SFD with regards to the next FMS waypoint?
- Nav source
- Distance identifier
- DTG
- TTG
- FLTPLN Offset annunciator
Ground speed facts;
- data from?
- Displayed where? (2)
- What if data is invalid?
- data from: FMS
- Displayed where? (2): Bottom right PFD, top left of ND
- What if data is invalid: replaced by amber dashes
Can you have different TGT HDG bug selections between the pilot and co pilot?
NO