---
kind: "section"
citation: "14 C.F.R. § 31.81"
title: "14"
number: "31.81"
heading: "General."
url: "https://uscodex.org/cfr/14/31.81"
---

# §31.81. General.

- (a) The following information must be established:
  - (1) Each operating limitation, including the maximum weight determined under [§ 31.14](/cfr/14/31.14.md).
  - (2) **The normal and emergency procedures.**
  - (3) **Other information necessary for safe operation, including—**
    - (i) The empty weight determined under [§ 31.16](/cfr/14/31.16.md);
    - (ii) The rate of climb determined under [§ 31.17](/cfr/14/31.17.md), 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](/cfr/14/31.19.md), 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)](#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.**

## Notes

### Amendments

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

### Authority

Authority: 49 U.S.C. 106(g), 40113, 44701-44702, 44704.

### Source

Source: Docket No. 1437, 29 FR 8258, July 1, 1964, as amended by Amdt. 31-1, 29 FR 14563, Oct. 24, 1964, unless otherwise noted.

### Amendments

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