---
kind: "section"
citation: "14 C.F.R. § 29.753"
title: "14"
number: "29.753"
heading: "Main float design."
url: "https://uscodex.org/cfr/14/29.753"
---

# §29.753. Main float design.

- (a) **Bag floats.** Each bag float must be designed to withstand—
  - (1) The maximum pressure differential that might be developed at the maximum altitude for which certification with that float is requested; and
  - (2) The vertical loads prescribed in [§ 29.521(a)](/cfr/14/29.521.md?p=a), distributed along the length of the bag over three-quarters of its projected area.
- (b) **Rigid floats.** Each rigid float must be able to withstand the vertical, horizontal, and side loads prescribed in [§ 29.521](/cfr/14/29.521.md). An appropriate load distribution under critical conditions must be used.

## Notes

### Authority

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

### Source

Source: Docket No. 5084, 29 FR 16150, Dec. 3, 1964, unless otherwise noted.