# 14 C.F.R. § 27.605 (2026): Fabrication methods

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_605

## Section

- **Citation:** 14 C.F.R. § 27.605 (2026)
- **Heading:** Fabrication methods
- **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 27: AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT / Subpart D: Design and Construction / § 27.605: § 27.605   Fabrication methods.

## Text

(a) The methods of fabrication used must produce consistently sound structures. If a fabrication process (such as gluing, spot welding, or heat-treating) requires close control to reach this objective, the process must be performed according to an approved process specification.
(b) Each new aircraft fabrication method must be substantiated by a test program.
(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 1425); sec. 6(c) of the Dept. of Transportation Act (49 U.S.C. 1655(c)))
[Doc. No. 5074, 29 FR 15695, Nov. 24, 1964, as amended by Amdt. 27-16, 43 FR 50599, Oct. 30, 1978]

## Nearby sections

- [14 C.F.R. § 27.601 (2026) § 27.601   Design.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_601.md)
- [14 C.F.R. § 27.602 (2026) § 27.602   Critical parts.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_602.md)
- [14 C.F.R. § 27.603 (2026) § 27.603   Materials.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_603.md)
- [14 C.F.R. § 27.605 (2026) § 27.605   Fabrication methods.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_605.md)
- [14 C.F.R. § 27.607 (2026) § 27.607   Fasteners.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_607.md)
- [14 C.F.R. § 27.609 (2026) § 27.609   Protection of structure.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_609.md)
- [14 C.F.R. § 27.610 (2026) § 27.610   Lightning and static electricity protection.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_610.md)
- [14 C.F.R. § 27.611 (2026) § 27.611   Inspection provisions.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_611.md)
- [14 C.F.R. § 27.613 (2026) § 27.613   Material strength properties and design values.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_613.md)
- [14 C.F.R. § 27.619 (2026) § 27.619   Special factors.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_619.md)
- [14 C.F.R. § 27.621 (2026) § 27.621   Casting factors.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_621.md)
- [14 C.F.R. § 27.623 (2026) § 27.623   Bearing factors.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_623.md)
- [14 C.F.R. § 27.625 (2026) § 27.625   Fitting factors.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_625.md)
- [14 C.F.R. § 27.629 (2026) § 27.629   Flutter.](https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_629.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T14_P27_S27_605. Check the current official text before relying on it. Not legal advice.