Flight Instruments / Displays *** Flashcards
How many knots, in height, is the command speed pointer on the PFD?
• 5 knots
What minimum maneuver capability is provided at the top of the amber bar on the PFD airspeed display?
• 1.3g at 40 degrees of bank in level flight
What occurs at the minimum speed display (red) on the PFD?
• Stick shaker or low speed buffet occurs.
When is the Pitch Limit Indication (PLI) displayed?
• Flaps are not up
When is radio altitude displayed on the PFD?
• Below 2,500 feet AGL
Where are the marker beacon annunciations displayed?
• Upper right corner of the PFD
How do the glideslope and localizer pointers on the PFD indicate excessive glideslope or localizer deviation?
• The scales turn amber and the pointers flash.
How do you know when you are 1/3 of a dot deviation from the Localizer?
• The Localizer pointer is just touching the rectangle during expanded localizer deviation scale.
Where does the altitude you select on the altitude window in the MCP display on the PFD?
• The top of the altitude indications on the right side of the PFD.
Where is current track displayed on the ND?
• Top of the ND middle.
How can you control your displays if the EFIS control panel fails?
• Through the respective CDU.
Describe the PLN (plan) mode of the ND mode selector.
- Non-moving display
- True north is up
- Allows route step through, using the legs CDU page
- Airplane symbol represents actual airplane position
What systems failure would result in the NAV Source Selector positioned to CDU L (captain’s panel), and CDU R (F/O’s panel)?
• Dual FMC failure (alternate navigation)
Which source selector switch determines which localizer and glideslope receivers provide information to the respective PFD and ND?
• EIU source selector
What does the acronym EIU mean?
• EFIS/EICAS Interface Unit
