---
kind: "section"
citation: "14 C.F.R. § 33.4"
title: "14"
number: "33.4"
heading: "Instructions for Continued Airworthiness."
url: "https://uscodex.org/cfr/14/33.4"
---

# §33.4. Instructions for Continued Airworthiness.


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.


## Notes

### Amendments

[Amdt. 33-9, 45 FR 60181, Sept. 11, 1980]

### Authority

Authority: 49 U.S.C. 106(g), 40113, 44701, 44702, 44704.

### Source

Source: Docket No. 3025, 29 FR 7453, June 10, 1964, unless otherwise noted.

### Amendments

[Amdt. 33-9, 45 FR 60181, Sept. 11, 1980]