14 CFR · Part 27
14 CFR § 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.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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