ANNEX IVU.K.COMMERCIAL AIR TRANSPORT OPERATIONS[PART-CAT]
SUBPART CAIRCRAFT PERFORMANCE AND OPERATING LIMITATIONSU.K.
SECTION 1U.K.Aeroplanes
CHAPTER 4U.K.Performance class C
CAT.POL.A.405Take-off obstacle clearanceU.K.
(d)Track changes shall not be allowed up to that point of the take-off flight path where a height of 50 ft above the surface has been achieved. Thereafter, up to a height of 400 ft it is assumed that the aeroplane is banked by no more than 15°. Above 400 ft height bank angles greater than 15°, but not more than 25°, may be scheduled. Adequate allowance shall be made for the effect of bank angle on operating speeds and flight path, including the distance increments resulting from increased operating speeds.U.K.