Flight Instruments - Navigation

Question 1

752 and 763 IRU-

Which will you have with electric power loss?

Answer 1

Left and Center

Question 2

757-300 and 767-400 IRU-

Which will you have with electric power loss?

Answer 2

All three because they are ADIRUs

Question 3

Groundspeed on IRUs during taxi in should be-

Answer 3

Below 15 knots

Question 4

On the outboard FMC switching panel what is “CDU For R” for?

Answer 4

If FMC fails there is still a small amount of functionality in RAM that can be accessed with this switch but L and R sides won’t take to each other

Question 5

What dates do the TMI (Track Message Indicator) use?

Answer 5

Julian date.. March 20th would be 79 as in 79/365 days/yr

Question 6

Transition Altitude vs Transition Level

-How do you remember which is for climb out and which is for descent

Answer 6

Think Climbing to an Altitude (A) and descending to Land,

L

Question 7

Mnemonic to remember which way to debate from Track for weather

Answer 7

Notre Dame, South Carolina

• North- descend
• South- Climb

Question 8

How does “Equal Time Point” plan fuel?

Answer 8

-15 minute hold at 1500’ then land with zero fuel

Question 9

What type of airport is ETOPS based on?

What does that give you when you get there?

Answer 9

An “Adequate Airport” doesn’t take facilities into account, could just be a piece of pavement