---
kind: "section"
citation: "14 C.F.R. § 27.337"
title: "14"
number: "27.337"
heading: "Limit maneuvering load factor."
url: "https://uscodex.org/cfr/14/27.337"
---

# §27.337. Limit maneuvering load factor.


The rotorcraft must be designed for—

- (a) A limit maneuvering load factor ranging from a positive limit of 3.5 to a negative limit of −1.0; or
- (b) Any positive limit maneuvering load factor not less than 2.0 and any negative limit maneuvering load factor of not less than −0.5 for which—
  - (1) The probability of being exceeded is shown by analysis and flight tests to be extremely remote; and
  - (2) The selected values are appropriate to each weight condition between the design maximum and design minimum weights.

## Notes

### Amendments

[Amdt. 27-26, 55 FR 7999, Mar. 6, 1990]

### Authority

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

### Source

Source: Docket No. 5074, 29 FR 15695, Nov. 24, 1964, unless otherwise noted.

### Amendments

[Amdt. 27-26, 55 FR 7999, Mar. 6, 1990]