MD-11 Flight Crew Operations Manual
k
FMS -
Controls and Displays
FMS.30.125
FMS Bank Angle Limits
40
30
25
20
10
0
0.17
0.2
0.25
0.4
0.55
0.6
0.8
.87
.93
1.0
LIMIT 1
LIMIT 2
MACH NUMBER
L
(DEGREE)
AFS FCP BANK LIMIT SELECTOR
FMS NAV MODE
Bank limit is the minimum of the chart, the 1.2g to buffet bank limit, or the 1.2g to stickshaker limit.
will vary with selected modes and aircraft conditions.
The AFS and FMS compute the bank angle limits that are shown on the PFD. The active bank limit
the 1.2g to buffet limit, or the 1.2g to stickshaker limit.
5-25 DEGREES SELECT - Bank limit is the minimum of the FCP-selected bank limit (5-25 degrees),
stickshaker limit. If FMS is not available, the AFS will use limit 1 (chart).
AUTO SELECT - Bank limit is the minimum of limit 1 (chart), the 1.2g to buffet limit, or the 1.2g to
limit. The FCP bank limit selector is overridden.
LOC MODE - limit is the minimum of limit 1 (chart), the 1.2g to buffet limit, or the 1.2g to stickshaker
patterns and procedure turns.
Limit 2 is used by the FMS on curved-path transitions and for the turns associated with holding
by the AFS with the FCP bank limit selector set to AUTO.
Limit 1 is used by the FMS when not controlling to curved path transitions. Limit 1 is also used
NOTES:
DB1-2-1842A
The characteristics of the buffet and stickshaker bank limits are such that when flying at
Vmin , the bank limit will close to 5 degrees. As speed increases away from Vmin , the
bank limit rapidly increases to 25-30 degrees.
October 02, 2006
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