---
kind: "section"
citation: "14 C.F.R. § 29.65"
title: "14"
number: "29.65"
heading: "Climb: All engines operating."
url: "https://uscodex.org/cfr/14/29.65"
---

# §29.65. Climb: All engines operating.

- (a) The steady rate of climb must be determined—
  - (1) With maximum continuous power;
  - (2) With the landing gear retracted; and
  - (3) At Vy for standard sea level conditions and at speeds selected by the applicant for other conditions.
- (b) For each Category B rotorcraft except helicopters, the rate of climb determined under [paragraph (a)](#a) of this section must provide a steady climb gradient of at least 1:6 under standard sea level conditions.

## Notes

### Amendments

[Doc. No. 5084, 29 FR 16150. Dec. 3, 1964, as amended by Amdt. 29-15, 43 FR 2326, Jan. 16, 1978; Amdt. 29-39, 61 FR 21900, May 10, 1996; 61 FR 33963, July 1, 1996]

### 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.

### Amendments

[Doc. No. 5084, 29 FR 16150. Dec. 3, 1964, as amended by Amdt. 29-15, 43 FR 2326, Jan. 16, 1978; Amdt. 29-39, 61 FR 21900, May 10, 1996; 61 FR 33963, July 1, 1996]