---
kind: "section"
citation: "14 C.F.R. § 27.67"
title: "14"
number: "27.67"
heading: "Climb: one engine inoperative."
url: "https://uscodex.org/cfr/14/27.67"
---

# §27.67. Climb: one engine inoperative.


For multiengine helicopters, the steady rate of climb (or descent), at Vy (or at the speed for minimum rate of descent), must be determined with—

- (a) Maximum weight;
- (b) **The critical engine inoperative and the remaining engines at either—**
  - (1) Maximum continuous power and, for helicopters for which certification for the use of 30-minute OEI power is requested, at 30-minute OEI power; or
  - (2) Continuous OEI power for helicopters for which certification for the use of continuous OEI power is requested.

## Notes

### Amendments

[Doc. No. 5074, 29 FR 15695, Nov. 24, 1964, as amended by Amdt. 27-23, 53 FR 34210, Sept. 2, 1988]

### 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

[Doc. No. 5074, 29 FR 15695, Nov. 24, 1964, as amended by Amdt. 27-23, 53 FR 34210, Sept. 2, 1988]