---
kind: "section"
citation: "14 C.F.R. § 5.51"
title: "14"
number: "5.51"
heading: "Applicability."
url: "https://uscodex.org/cfr/14/5.51"
---

# §5.51. Applicability.


Any person required to have an SMS under this part must apply safety risk management to the following:

- (a) **Implementation of new systems.**
- (b) **Revision of existing systems.**
- (c) **Development of operational procedures.**
- (d) Identification of hazards or ineffective risk controls through the safety assurance processes in subpart D of this part.

## Notes

### Amendments

[Doc. No. FAA-2009-0671, Amdt. 5-1, 80 FR 1326, Jan. 8, 2015, as amended by Amdt. 5-2, 89 FR 33107, Apr. 26, 2024]

### Authority

Authority: 49 U.S.C. 106(f), 106(g), 40101, 40113, 40119, 41706, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 46105; Sec. 102, Pub. L. 116-260, 134 Stat. 2309; Sec 215, Pub. L. 111-216, 124 Stat. 2366.

### Source

Source: Doc. No. FAA-2009-0671, Amdt. 5-1, 80 FR 1326, Jan. 8, 2015, unless otherwise noted.

### Amendments

[Doc. No. FAA-2009-0671, Amdt. 5-1, 80 FR 1326, Jan. 8, 2015, as amended by Amdt. 5-2, 89 FR 33107, Apr. 26, 2024]