14 CFR § 21.331 - Issuance of export airworthiness approvals for aircraft engines, propellers, and articles.
---
identifier: "/us/cfr/t14/s21.331"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "14 CFR § 21.331 - Issuance of export airworthiness approvals for aircraft engines, propellers, and articles."
title_number: 14
title_name: "Aeronautics and Space"
section_number: "21.331"
section_name: "Issuance of export airworthiness approvals for aircraft engines, propellers, and articles."
chapter_name: "FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION"
subchapter_number: "C"
subchapter_name: "AIRCRAFT"
part_number: "21"
part_name: "CERTIFICATION PROCEDURES FOR PRODUCTS AND ARTICLES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7572; 49 U.S.C. 106(f), 40105, 40113, 44701-44702, 44704, 44707, 44709, 44711, 44713, 44715, 45303."
cfr_part: "21"
---
# 21.331 Issuance of export airworthiness approvals for aircraft engines, propellers, and articles.
(a) A person may obtain from the FAA an export airworthiness approval to export a new aircraft engine, propeller, or article that is manufactured under this part if it conforms to its approved design and is in a condition for safe operation.
(b) A new aircraft engine, propeller, or article need not meet a requirement of paragraph (a) of this section if—
(1) The importing country or jurisdiction accepts, in a form and manner acceptable to the FAA, a deviation from that requirement; and
(2) The export airworthiness approval lists as an exception any difference between the aircraft engine, propeller, or article to be exported and its approved design.
(c) A person may obtain from the FAA an export airworthiness approval to export a used aircraft engine, propeller, or article if it conforms to its approved design and is in a condition for safe operation.
(d) A used aircraft engine or propeller need not meet a requirement of paragraph (c) of this section if—
(1) The importing country or jurisdiction accepts, in a form and manner acceptable to the FAA, a deviation from that requirement; and
(2) The export airworthiness approval lists as an exception any difference between the used aircraft engine or propeller to be exported and its approved design.