---
kind: "section"
citation: "14 C.F.R. § 27.679"
title: "14"
number: "27.679"
heading: "Control system locks."
url: "https://uscodex.org/cfr/14/27.679"
---

# §27.679. Control system locks.


If there is a device to lock the control system with the rotorcraft on the ground or water, there must be means to—

- (a) Give unmistakable warning to the pilot when the lock is engaged; and
- (b) **Prevent the lock from engaging in flight.**

## 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.