FAA Federal Aviation Regulations (FARS, 14 CFR)

(a) Takeoff. It must be possible, using a favorable combination of controls, to roll the airplane from a steady 30° banked turn through an angle of 60°, so as to reverse the direction of the turn within--
(1) For an airplane of 6,000 pounds or less maximum weight, 5 seconds from initiation of roll; and
(2) For an airplane of over 6,000 pounds maximum weight, seconds, but not more than 10 seconds, where W is the weight in pounds.
(b) The requirement of paragraph (a) of this section must be met when rolling the airplane in each direction with--
(1) Flaps in the takeoff position;
(2) Landing gear retracted;
(3) For a single-engine airplane, at maximum takeoff power; and for a multiengine airplane with the critical engine inoperative and the propeller in the minimum drag position, and the other engines at maximum takeoff power; and
(4) The airplane trimmed at a speed equal to the greater of 1.2 or 1.1 VMC, or as nearly as possible in trim for straight flight.
(c) Approach. It must be possible, using a favorable combination of controls, to roll the airplane from a steady 30° banked turn through an angle of 60°, so as to reverse the direction of the turn within:
(1) For an airplane of 6,000 pounds or less maximum weight, 4 seconds from initiation of roll; and
(2) For an airplane of over 6,000 pounds maximum weight, seconds, but not more than 7 seconds, where W is the weight in pounds.
[(d) The requirement of paragraph (c) of this section must be met when rolling the airplane in each direction in the following conditions--
(1) Flaps in the landing position(s);
(2) Landing gear extended;
(3) All engines operating at the power for a 3 degree approach; and
(4) The airplane trimmed at VREF.]

[Amdt. 23-50, Eff. 03/11/96]