---
kind: "section"
citation: "14 C.F.R. § 27.171"
title: "14"
number: "27.171"
heading: "Stability: general."
url: "https://uscodex.org/cfr/14/27.171"
---

# §27.171. Stability: general.


The rotorcraft must be able to be flown, without undue pilot fatigue or strain, in any normal maneuver for a period of time as long as that expected in normal operation. At least three landings and takeoffs must be made during this demonstration.


## Notes

### 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.