2024 CFR > Title 40 > Chapter I > Subchapter U > Part 1051 > Subpart C – Certifying Engine Families

2023 CFR > Title 40 > CHAPTER I > SUBCHAPTER U > PART 1051 > Subpart C – Certifying Engine Families

2022 CFR > Title 40 > Chapter I > Subchapter U > Part 1051 > Subpart C – Certifying Engine Families

2021 CFR > Title 40 > Chapter I > Subchapter U > Part 1051 > Subpart C – Certifying Engine Families

2020 CFR > Title 40 > Chapter I > Subchapter U > Part 1051 > Subpart C – Certifying Engine Families

2019 CFR > Title 40 > Chapter I > Subchapter U > Part 1051 > Subpart C – Certifying Engine Families

2016 CFR > Title 40 > Chapter I > Subchapter U > Part 1051 > Subpart C – Certifying Engine Families

2015 CFR > Title 40 > Chapter I > Subchapter U > Part 1051 > Subpart C – Certifying Engine Families

2014 CFR > Title 40 > Chapter I > Subchapter U > Part 1051 > Subpart C – Certifying Engine Families