AMC1 CAT.POL.A.405 Take-off
obstacle clearance
EFFECT OF BANK ANGLES
(a) The AFM generally provides a climb gradient decrement for a 15° bank turn. Unless otherwise specified in the AFM or other performance or operating manuals from the manufacturer, acceptable adjustments to assure adequate stall margins and gradient corrections are provided by the following:
Table
1
Effect of bank angles
|
Bank |
Speed |
Gradient
correction |
|
15° |
V2 |
1 x AFM 15° gradient loss |
|
20° |
V2 + 5 kt |
2 x AFM 15° gradient loss |
|
25° |
V2 + 10 kt |
3 x AFM 15° gradient loss |
(b) For bank angles of less than 15°, a proportionate amount may be applied, unless the manufacturer or AFM has provided other data.
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