GB/T 47259-2026 Pending National standards

GB/T 47259-2026 Noise transmission loss test method of aircraft fuselage structures

Publish Date: 2026-03-31 Implement Date: 2026-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 47259-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Life support systems and equipment

ICS Name: \nOn-board equipment and instruments

Publish Date: 2026-03-31

Implement Date: 2026-10-01

Pages: 28 pages

Scope

This document specifies the general requirements for the sound insulation test of aircraft fuselage structures, including the test purposes, test categories, test items, and test environments. It also describes the sound insulation test methods for fuselage wall structures and fuselage compartment structures.
This document is applicable to sound insulation tests of aircraft fuselage structures in laboratory environments. When obtaining the sound attenuation values of aircraft compartments or entire aircrafts, the measurements should be conducted in accordance with the sound insulation test methods for fuselage compartment structures.

Development Information

Word Count: 40 Thousand words Pages: 28 pages

Referenced Standards

GB/T 3785.1-2010 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3785.1-2023 Electroacoustics—Sound level meters—Part 1:Specifications GB/T 3947-1996 Acoustical terminology GB/T 6882-1986 Acoustics—Determination of sound power levels of noise sources—Precision methods for anechoic and semi-anechoic rooms GB/T 6882-2008 Acoustics—Determination of sound power levels of noise sources using pressure—Precision methods for anechoic and hemi-anechoic rooms GB/T 6882-2016 Acoustics—Determination of sound power levels and sound energy levels of noise sources using sound pressure—Precision methods for anechoic rooms and hemi-anechoic rooms GB/T 17561-1998 Instruments for the measurement of sound intensity—Measurement with pairs of pressure sensing microphones GB/T 19889.1-2005 Acoustics—Measurement of sound insulation in buildings and of building elements—Part 1:Requirements for laboratory test facilities with suppressed flanking transmission GB/T 19889.1-2026 Acoustics—Field measurement of sound insulation in buildings and of building elements—Part 1:Airborne sound insulation between rooms GB/T 41886-2022 Requirements for cabin acoustic design of transport aircraft

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