U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

All TitlesTitle 14Chapter IPart 33Subpart D - Subpart D—Block Tests; Reciprocating Aircraft Engines
§ 33.41 - Applicability.
§ 33.42 - General.
§ 33.43 - Vibration test.
§ 33.45 - Calibration tests.
§ 33.47 - Detonation test.
§ 33.49 - Endurance test.
§ 33.51 - Operation test.
§ 33.53 - Engine system and component tests.
§ 33.55 - Teardown inspection.
§ 33.57 - General conduct of block tests.
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