AHRS Flashcards
1
Q
AHRS alignment sequence takes place as soon as … and it takes nominally …
A
- the battery is switched ON
- 3 MINUTES DURING WHICH AIRCRAFT MUST NOT BE MOVED.
2
Q
To know the remaining time for AHRS alignment …
A
- Depress AHRS FAST ERECT pushbutton
- The heading which can be read on the associated EHSI indicate the time remaining (in seconds) for AHRS alignment (example : heading 090 = 1 minute and 30 seconds).
Then release AHRS FAST ERECT pushbutton.
3
Q
With electrical transients asociated with engine start the AHRS …
A
will normally survive
4
Q
The beginning of the 3 min alignment period may be observed as it is associated with …
A
A brief display of horizon tilted 30 deg to the right without flag.
5
Q
Resetting AHRS C/B in flight is not recommended as in flight reailgnment
requires …
A
3 minutes of very stable flight (which may be impossible to get in turbulence) and possibility of pulling the wrong C/B could lead to complete AHRS failure unrecoverable for the rest of the flight.
