GroundRules
14 CFR 33.37: Ignition system.
Where this section sits in the code
- Title 14—Aeronautics and Space
- CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- SUBCHAPTER C—AIRCRAFT
- PART 33—AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES
- Subpart C—Design and Construction; Reciprocating Aircraft Engines
Each spark ignition engine must have a dual ignition system with at least two spark plugs for each cylinder and two separate electric circuits with separate sources of electrical energy, or have an ignition system of equivalent in-flight reliability.
Collected 2026-08-27T02:24:20Z. Source file · JSON