---
kind: "section"
citation: "14 C.F.R. § 34.20"
title: "14"
number: "34.20"
heading: "Applicability."
url: "https://uscodex.org/cfr/14/34.20"
---

# §34.20. Applicability.


The provisions of this subpart are applicable to all aircraft gas turbine engines of the classes specified beginning on the dates specified in [§ 34.21](/cfr/14/34.21.md).


## Notes

### Authority

Authority: 42 U.S.C. 4321 et seq., 7572; 49 U.S.C. 106(g), 40113, 44701-44702, 44704, 44714.

### Source

Source: Docket No. 25613, 55 FR 32861, Aug. 10, 1990, unless otherwise noted.