# 14 CFR § 27.605: Fabrication methods

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-14-27.605

## Section

- **Citation:** 14 CFR § 27.605
- **Heading:** Fabrication methods
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** September 22, 2026
- **Source:** Publisher's official text
- **Location:** Title 14—Aeronautics and Space > CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION > SUBCHAPTER C—AIRCRAFT > PART 27—AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT > Subpart D—Design and Construction > General

## 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 CFR § 27.601 § 27.601 Design.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.601.md)
- [14 CFR § 27.602 § 27.602 Critical parts.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.602.md)
- [14 CFR § 27.603 § 27.603 Materials.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.603.md)
- [14 CFR § 27.605 § 27.605 Fabrication methods.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.605.md)
- [14 CFR § 27.607 § 27.607 Fasteners.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.607.md)
- [14 CFR § 27.609 § 27.609 Protection of structure.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.609.md)
- [14 CFR § 27.610 § 27.610 Lightning and static electricity protection.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.610.md)
- [14 CFR § 27.611 § 27.611 Inspection provisions.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.611.md)
- [14 CFR § 27.613 § 27.613 Material strength properties and design values.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.613.md)
- [14 CFR § 27.619 § 27.619 Special factors.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.619.md)
- [14 CFR § 27.621 § 27.621 Casting factors.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.621.md)
- [14 CFR § 27.623 § 27.623 Bearing factors.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.623.md)
- [14 CFR § 27.625 § 27.625 Fitting factors.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.625.md)
- [14 CFR § 27.629 § 27.629 Flutter.](https://www.frixlaw.com/law-library/statutes/ecfr-14-27.629.md)

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Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-14-27.605. Check the current official text before relying on it. Not legal advice.