GB/T 48242-2026Powerplant system terms for civil airplane (English PDF)

GB/T 48242-2026 is the English-translated version of 民用飞机动力装置系统术语.

This vocabulary standard defines the terminology used for the powerplant systems of civil aircraft. According to the text, it applies to scientific research, production, use and maintenance of civil transport aircraft powerplant systems, and the terms are organised by subject area: general terminology, the engine body and its performance, the fuel system, the control system, the air system, the manipulation system, indication and alarm, the exhaust system, the lubricating oil system, drainage, ignition and starting, installation and the short block. An alphabetical index and a bibliography are included.

The audience is broad: aircraft and engine designers, airworthiness and certification engineers, maintenance organisations, technical writers and translators who must keep wording consistent across drawings, manuals and reports. The document was issued on 28 September 2026 and takes effect on 1 April 2027 under the Standardization Administration of China. Our records show no earlier edition that it replaces. It is a recommended national standard and has no normative references of its own.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 38 pages — is available in the English PDF.

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