Definition
Critical engine
The engine which, upon failure, would most adversely affect the performance or handling qualities of an aircraft.
Source: FAA Pilot/Controller Glossary (verbatim from the Federal Aviation Regulations).
Where This Term Is Used
- 14 CFR § 91.611 — § 91.611 Authorization for ferry flight with one engine inoperative.
- 14 CFR § 91.1101 — § 91.1101 Pilots: Initial, transition, and upgrade ground training.
2 sections reference this term in their FAR Decoded content.