31.81—General.
(ii)
The rate of climb determined under § 31.17, and the procedures and conditions used to determine performance;
(iii)
The maximum vertical velocity, the altitude drop required to attain that velocity, and altitude drop required to recover from a descent at that velocity, determined under § 31.19, and the procedures and conditions used to determine performance; and
(b)
The information established in compliance with paragraph (a) of this section must be furnished by means of—