Flight Man, Nav, IRS & Coms Flashcards
Where is callsign entered in the CDU?
Under the ‘flight number’ prompt on the RTE page
How do you clear the scratch pad?
Single press of CLR for a charater, press and hold to clear the whole line
During FMC init, what is the significance of a ‘boxed’ (□□□) line?
Required information for FMC initialisation, dashed lines are optional fill
When entering a route into the FMC what is the difference between a cyan and a purple route?
Cyan = inactive and not executed Magenta = activated
What does a FMC amber light mean?
FAIL or MSG alert on the CDUs
For waypoint naming, what is the max number of characters?
5
How many temporary waypoints can the crew create?
40 wpts, 6 airports, all deleted on shut down.
How many FMCs are there? Why?
- this is a requirement to allow operations outside of normal nav aid coverage.
Which FMC is primary?
Normally left, and both CDUs input to the left. The left then correlates with the right FMC. (but, Capt’s displays will show FMC L, FOs will show FMC R) Can select both left or both right to isolate a failure
What does 3000A mean?
3000ft or above
What does 5000 in bold mean?
At 5000ft (if not bold, hts are just the VNAV predicted at that point)
What does 7000B mean?
7000ft or below
Where in the FMC can you find out if the given cruise level by ATC is the best?
CRZ page shows optimum and max
What caution should be taken before pressing EXEC?
Confirm with other pilot first
What are the SOP CDU pages for TO?
PF = TO, PM = LEGS
What are the SOP CDU pages for approach?
No SOP
What data bases does the FMC contain?
Performance (drag, eng lims, speeds, max alts etc…)
Nav (28 day validity, normally hold current and next 28 days. Terrain, airports, nav aids, wpts, sids, stars etc…)
If you start up at 2330 on the day a nav data base expires, when should you switch to the new database?
You don’t, the whole flight is completed on the valid DB at start. There is no way to switch at the crossover time.
What does the CALL caption mean?
Something else wants to display on the FMC CDU (ACARS, CPDLC etc…)
What reduction does CLB-1 give?
3% N1 (circa 10% thrust from CLB)
What reduction does CLB-2 give?
6% N1 (circa 20% thrust from CLB)
When does CLB-1 or 2 revert to normal CLB thrust?
Gradualt increase up to, and switch over at 15000ft
If the FMC loses power on the gnd, what happens?
<10 sec, nothing
>10 sec, all data erased, start again
If the FMC loses power in the air what happens?
<10 sec, nothing lost, need to reselect MCP modes
>10 sec, nothing lost, but will need to re-select the next WPT