ISFD Flashcards
1
Q
What normally powers the ISFD?
What if AC power fails to that bus?
What if that fails?
A
The main battery bus powers the ISFD
If the AC power fails then the battery will pier the ISFD for 30 min.
Then when that fails the ISFD battery powers it for 2.5 hours!
2
Q
How many static ports does the ISFD have and where are they?
A
2 located on the aft fuselage
3
Q
Where does the ISFD receive it’s heading info from?
A
The captains IRS
