FIELD: aircraft engineering.
SUBSTANCE: aircraft comprises cabin. Said cabin comprises lining panels and system of active ambient noise control. Every lining panel is either active or passive panel. Active panel comprises drives supplied from aforesaid system. Panel of one type is mechanical interchangeable with that of the other type. Active panel supply wiring allows connection to active panels. Active panel supply system is connected to active panel supply wiring. Proposed method consists in that passive panel is replaced by active panel. The latter is connected to wiring of active sound control system, or active lining panel is disconnected from said system and replaced by passive panel.
EFFECT: reduced noise inside cabin.
25 cl, 5 dwg
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