# 14 C.F.R. § 29.603 (2026): Materials

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_603

## Section

- **Citation:** 14 C.F.R. § 29.603 (2026)
- **Heading:** Materials
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 14 CFR: Aeronautics and Space / Chapter I: FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION / Part 29: AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT / Subpart D: Design and Construction / § 29.603: § 29.603   Materials.

## Text

The suitability and durability of materials used for parts, the failure of which could adversely affect safety, must—
(a) Be established on the basis of experience or tests;
(b) Meet approved specifications that ensure their having the strength and other properties assumed in the design data; and
(c) Take into account the effects of environmental conditions, such as temperature and humidity, expected in service.
(Secs. 313(a), 601, 603, 604, and 605 of the Federal Aviation Act of 1958 (49 U.S.C. 1354(a), 1421, 1423, 1424), and sec. 6(c), Dept. of Transportation Act (49 U.S.C. 1655(c)))
[Doc. No. 5084, 29 FR 16150, Dec. 3, 1964, as amended by Amdt. 29-12, 41 FR 55471, Dec. 20, 1976; Amdt. 29-17, 43 FR 50599, Oct. 30, 1978]

## Nearby sections

- [14 C.F.R. § 29.601 (2026) § 29.601   Design.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_601.md)
- [14 C.F.R. § 29.602 (2026) § 29.602   Critical parts.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_602.md)
- [14 C.F.R. § 29.603 (2026) § 29.603   Materials.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_603.md)
- [14 C.F.R. § 29.605 (2026) § 29.605   Fabrication methods.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_605.md)
- [14 C.F.R. § 29.607 (2026) § 29.607   Fasteners.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_607.md)
- [14 C.F.R. § 29.609 (2026) § 29.609   Protection of structure.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_609.md)
- [14 C.F.R. § 29.610 (2026) § 29.610   Lightning and static electricity protection.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_610.md)
- [14 C.F.R. § 29.611 (2026) § 29.611   Inspection provisions.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_611.md)
- [14 C.F.R. § 29.613 (2026) § 29.613   Material strength properties and design values.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_613.md)
- [14 C.F.R. § 29.619 (2026) § 29.619   Special factors.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_619.md)
- [14 C.F.R. § 29.621 (2026) § 29.621   Casting factors.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_621.md)
- [14 C.F.R. § 29.623 (2026) § 29.623   Bearing factors.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_623.md)
- [14 C.F.R. § 29.625 (2026) § 29.625   Fitting factors.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_625.md)
- [14 C.F.R. § 29.629 (2026) § 29.629   Flutter and divergence.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_629.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T14_P29_S29_603. Check the current official text before relying on it. Not legal advice.