---
kind: "section"
citation: "14 C.F.R. § 135.503"
title: "14"
number: "135.503"
heading: "Hazardous materials training: General."
url: "https://uscodex.org/cfr/14/135.503"
---

# §135.503. Hazardous materials training: General.

- (a) Each certificate holder must establish and implement a hazardous materials training program that:
  - (1) Satisfies the requirements of Appendix O of [part 121](/cfr/14/part121.md) of this part;
  - (2) Ensures that each person performing or directly supervising any of the job functions specified in [§ 135.501(a)](/cfr/14/135.501.md?p=a) is trained to comply with all applicable parts of 49 CFR parts [171](/cfr/49/part171.md) through [180](/cfr/49/part180.md) and the requirements of this subpart; and
  - (3) Enables the trained person to recognize items that contain, or may contain, hazardous materials regulated by 49 CFR parts [171](/cfr/49/part171.md) through [180](/cfr/49/part180.md).
- (b) Each certificate holder must provide initial hazardous materials training and recurrent hazardous materials training to each crewmember and person performing or directly supervising any of the job functions specified in [§ 135.501(a)](/cfr/14/135.501.md?p=a).
- (c) Each certificate holder's hazardous materials training program must be approved by the FAA prior to implementation.

## Notes

### Source

Source: Docket FAA-2003-15085, 70 FR 58829, Oct. 7, 2005, unless otherwise noted.

### Authority

Authority: 49 U.S.C. 106(f), 40113, 41706, 44701-44702, 44705, 44709, 44711-44713, 44715-44717, 44722, 44730, 45101-45105; Pub. L. 112-95, 126 Stat. 58 (49 U.S.C. 44730).

### Source

Source: Docket 16097, 43 FR 46783, Oct. 10, 1978, unless otherwise noted.