How do you set the baro in the Lear 45?
On the MFD and PFD there are two knobs through knob on the right you twist it
How do you set minimums?
On the PFD and MFD there is a button that says RA/baro. Click that then twist the knob on the left to change minimums.
Where can the display controller be found?
On the top towards the glareshield
What is the primary function of the Display Controller in the Learjet 45?
Controls mainly the Primary Flight Display (PFD)
The Display Controller is located in the glare shield.
What does the ‘In/hPa’ button do on the Display Controller?
Changes the altimeter unit on the PFD from Inches of mercury (inHg) to Hekto Pascals (hPa) and back
This allows pilots to switch between different measurement units.
What is the function of the ‘CUE’ button on the Display Controller?
Toggles the flight director style from a single cue to a cross bar flight director
This affects how flight guidance is presented to the pilot.
On the display controller What does the ‘FPA’ button add or remove from the attitude indicator?
Adds or removes the Flight Path Angle (FPA)
FPA is important for understanding the aircraft’s trajectory.
What does the ‘WX’ button do on the Display Controller?
Selects or deselects the drawing of the weather radar
This feature helps pilots monitor weather conditions ahead.
On the display controller What does the ‘HSI’ button allow the pilot to select?
Selects between the 360° rose or 90° arc mode of the HSI
The 90° arc mode can display a map for the flight plan when using FMS1 or FMS2.
On the display controller What is the function of the ‘FMS’ button when first clicked?
Activates the FMS1 as navigation source
Subsequent clicks alternate between FMS2 and FMS1.
What does the ‘NAV’ button do on the Display Controller?
Selects the NAV1 source (VOR1 or ILS1 depending on tuned frequency) on the first click
Following clicks alternate between NAV2 (VOR or ILS2) and NAV1.
On the MFD, how do I zoom out?
Twist the knob on the bezel
On the MFD, how do I switch between map and plan mode?
On the bezel, select the hard key with the option above it that says map and plan
On the MFD talk me through how you can display NAV airport in both NAV and airport data
On the MFD click the button that says MFD
Then click the button attached to the NAV APT option
On the MFD, how do you display the TCAS?
On the MFT go back to main menu item. You’ll see a bezel button that says Tcas click on that.
On the MFD, how do you increase or decrease the range of the TCAS display?
On the RMU select the line key next to TCAS display
Then rotate the small knob on the RMU
How do you change the V speeds?
On the MFD click the hard key that says MFD then SPDS then to change the speed twist the knob on the MFD
On the RMU you can change the TCAS settings. If you switch to above, what does that mean?
above means TCAS will only show traffic at or above the current altitude
On the RMU there’s some TCAS SETTINGS. If you select below what does that mean
Below only shows traffic that is at or below you
What is the Flight Guidance Controller?
It’s the panel used to interact with the auto pilot
What are the available lateral modes in the Learjet 45?
ROL, HDG, VOR, FMS, LOC, VAPP.
Each mode serves a specific function for lateral navigation.
What does the ROL mode do?
Maintains bank angle/roll attitude, levels wings below 6 degrees, maintains current bank above that angle.
ROL is the basic lateral mode.
What is the function of the HDG mode?
Turns towards the selected heading value.
The aircraft turns in the direction selected, regardless of quicker alternatives.
What does the VOR mode accomplish?
Flies a VOR radial and uses the navigation receiver lateral offset.
It assists in navigation via VOR stations.
