(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.Amdt. 31-4, 45 FR 60180, Sept. 11, 1980