# 14 CFR § 33.4: Instructions for Continued Airworthiness

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/ecfr-14-33.4

## Section

- **Citation:** 14 CFR § 33.4
- **Heading:** Instructions for Continued Airworthiness
- **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 33—AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES > Subpart A—General

## Text

The applicant must prepare Instructions for Continued Airworthiness in accordance with appendix A to this part that are acceptable to the Administrator. The instructions may be incomplete at type certification if a program exists to ensure their completion prior to delivery of the first aircraft with the engine installed, or upon issuance of a standard certificate of airworthiness for the aircraft with the engine installed, whichever occurs later.
[Amdt. 33-9, 45 FR 60181, Sept. 11, 1980]

## Nearby sections

- [14 CFR § 33.1 § 33.1 Applicability.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.1.md)
- [14 CFR § 33.3 § 33.3 General.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.3.md)
- [14 CFR § 33.4 § 33.4 Instructions for Continued Airworthiness.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.4.md)
- [14 CFR § 33.5 § 33.5 Instruction manual for installing and operating the engine.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.5.md)
- [14 CFR § 33.7 § 33.7 Engine ratings and operating limitations.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.7.md)
- [14 CFR § 33.8 § 33.8 Selection of engine power and thrust ratings.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.8.md)
- [14 CFR § 33.11 § 33.11 Applicability.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.11.md)
- [14 CFR § 33.15 § 33.15 Materials.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.15.md)
- [14 CFR § 33.17 § 33.17 Fire protection.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.17.md)
- [14 CFR § 33.19 § 33.19 Durability.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.19.md)
- [14 CFR § 33.21 § 33.21 Engine cooling.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.21.md)
- [14 CFR § 33.23 § 33.23 Engine mounting attachments and structure.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.23.md)
- [14 CFR § 33.25 § 33.25 Accessory attachments.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.25.md)
- [14 CFR § 33.27 § 33.27 Turbine, compressor, fan, and turbosupercharger rotor overspeed.](https://www.frixlaw.com/law-library/statutes/ecfr-14-33.27.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/ecfr-14-33.4. Check the current official text before relying on it. Not legal advice.