# 14 CFR § 27.609: Protection of structure

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-14-27.609

## Section

- **Citation:** 14 CFR § 27.609
- **Heading:** Protection of structure
- **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

Each part of the structure must—
(a) Be suitably protected against deterioration or loss of strength in service due to any cause, including—
(1) Weathering;
(2) Corrosion; and
(3) Abrasion; and
(b) Have provisions for ventilation and drainage where necessary to prevent the accumulation of corrosive, flammable, or noxious fluids.

## 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-14-27.609. Check the current official text before relying on it. Not legal advice.