§ 31.81 General.

(a) The following information must be established: (1) Each operating limitation, including the maximum weight determined under § 31.14. (2) The normal and emergency procedures. (3) Other information necessary for safe operation, including— (i) The empty weight determined under § 31.16; (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 (iv) Pertinent information peculiar to the balloon's operating characteristics. (b) The information established in compliance with paragraph (a) of this section must be furnished by means of— (1) A Balloon Flight Manual; or (2) A placard on the balloon that is clearly visible to the pilot.