---
kind: "section"
citation: "14 C.F.R. § 23.2125"
title: "14"
number: "23.2125"
heading: "Climb information."
url: "https://uscodex.org/cfr/14/23.2125"
---

# §23.2125. Climb information.

- (a) The applicant must determine climb performance at each weight, altitude, and ambient temperature within the operating limitations—
  - (1) For all single-engine airplanes;
  - (2) For levels 1 and 2 high-speed multiengine airplanes and level 3 multiengine airplanes, following a critical loss of thrust on takeoff in the initial climb configuration; and
  - (3) For all multiengine airplanes, during the enroute phase of flight with all engines operating and after a critical loss of thrust in the cruise configuration.
- (b) The applicant must determine the glide performance for single-engine airplanes after a complete loss of thrust.

## Notes

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40113, 44701-44702, 44704, Pub. L. 113-53, 127 Stat. 584 (49 U.S.C. 44704) note.

### Source

Source: Doc. No. FAA-2015-1621, Amdt. 23-64, 81 FR 96689, Dec. 30, 2016, unless otherwise noted.