---
kind: "section"
citation: "14 C.F.R. § 121.553"
title: "14"
number: "121.553"
heading: "Restriction or suspension of operation: Supplemental operations."
url: "https://uscodex.org/cfr/14/121.553"
---

# §121.553. Restriction or suspension of operation: Supplemental operations.


When a certificate holder conducting supplemental operations or pilot in command knows of conditions, including airport and runway conditions, that are a hazard to safe operations, the certificate holder or pilot in command, as the case may be, shall restrict or suspend operations until those conditions are corrected.


## Notes

### Amendments

[Docket 28154, 61 FR 2613, Jan. 26, 1996]

### Source

Source: Docket 6258, 29 FR 19219, Dec. 31, 1964, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 106(f), 40103, 40113, 40119, 41706, 42301 preceding note added by Pub. L. 112-95, sec. 412, 126 Stat. 89, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44729, 44732; 46105; Pub. L. 111-216, 124 Stat. 2348 (49 U.S.C. 44701 note); Pub. L. 112-95, 126 Stat. 62 (49 U.S.C. 44732 note); Pub. L. 115-254, 132 Stat. 3186 (49 U.S.C. 44701 note).

### Amendments

[Docket 28154, 61 FR 2613, Jan. 26, 1996]