The Air Transport Basic Bank Angle limits are similar to the
Business Aircraft Bank Angle limits except above 150 feet the
bank limit remains at 40 as shown below.
Bank Angle Option 1 provides bank angle advisory thresholds at
35, 40, and 45 independent of altitude. In this case, an advisory
at 35 is provided and another is not given unless 40 is exceeded
and then again only if 45 is exceeded. If the roll rate exceeds the
audio callout time, then the bypassed limit is not indicated.
Also, when any one of the thresholds is exceeded, the bank
angle must reduce below 30 for the process to reset before
additional Bank Angle Advisories can be provided.
For example, if greater than 40 is obtained before the 35 callout
is complete, another callout is provided only if 45 is obtained or
the bank angle is reduced to less than 30 and then again
increases to 35.
Bank Angle Option 2 provides a combination of the Basic Bank
Angle and Bank angle Option 1. The Basic Bank Angle limits
are provided below 130 feet, and Bank Angle Option 1 is
provided above 130 feet.
Any one of these three Bank Angle limits can be selected by
program pin if the aircraft type is defined as an Air Transport
060-4241-000 • Rev. D - March 2000
MK V & MK VII EGPWS Pilot Guide