AHRS Failure 1 / 2
Symptoms: Autopilot is disconnected.
-
On PFD(s) comparator window:
HDG
and/or
PIT
and/or
ROL
annunciation(s),
-
On PFD(s) reversionary sensor window:
BOTH ON AHRS1
or
BOTH ON AHRS2
annunciation.
Lost systems:
-
AHRS1 or AHRS2,
-
Autopilot (AP).
Systems still operative:
-
Flight Director (FD), when engaged again,
-
Autothrottle remains engaged or may be engaged.
Actions:
Autopilot is not operative.
1
- AHRS1 and/or AHRS2 breaker ............................................... Check pushed
If
BOTH ON AHRS1
or
BOTH ON AHRS2
annunciation is associated to
HDG
and/or
PIT
and/or
ROL
annunciation(s):
2
- Fly the airplane manually.
If pilot wishes:
3
- FD default mode .............................................................. Engage
PIT and ROL
4
- FD specific modes ........................................ Engaged as desired
HDG, NAV, ALT, etc
5
- Fly the airplane manually to follow Command Bars.
End of procedure ■
Continue ►
Pilot's Information Manual
Section 3A
Abnormal Procedures
PIM TBM 960 - Edition 0
Rev. 00
Page 3A.12.13
PIM - DO NOT USE FOR FLIGHT OPERATIONS