FMS

Question 1

What happens when the navigation database is switched mid-flight?

Answer 1

All entered data including flight plan, and secondary flight plan is deleted.

Question 2

What is the cost index range in the FMS? What does each end indicate?

Answer 2

• 0-999
• O is Max range
• 999 is min time

Question 3

What happens if V2 is not entered in the FMS during set up?

Answer 3

• SRS does not engage
• V/S mode engages after take off
• aircraft’s present speed is the targeted speed

Question 4

When should a TOGA takeoff be performed?

Answer 4

• Contaminated runway
• when windshear is assumed in the airport vicinity
• When the departure path has an obstacle
• Whenever the flight crew deems it necessary

Question 5

What pages of the MCDU should the pilots have displayed on their respective sides?

Answer 5

• PF has PERF page
• PM has FPLN page

Question 6

Within how many miles of passing a waypoint does automatic flight plan sequencing take place?

Answer 6

5nm

Question 7

What offset angle does the FMGS calculate to intercept a course?

Answer 7

30°

Question 8

How can a navigation accuracy check be completed on the FMS?

Answer 8

• Tune, a VOR/DME station into the RAD NAV page and note the DME distance on the ND
• enter the same station into the BRG/DIST TO field in the PROG page
• if the distance is within 3 miles nav accuracy is considered reliable for navigation

Question 9

How is a hold in the current position entered into the FMS FPLN page?

Answer 9

• Select L1 (from waypoint)
• Select HOLD