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Written Reply by Minister for Defence Dr Ng Eng Hen to Parliamentary Question on Aircraft Modification for Noise Reduction on 19 Sep

19 September 2023

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Prof Jamus Jerome Lim: To ask the Minister for Defence whether the RSAF has conducted research on modifying combat aircraft with fin-lined nozzles to reduce noise pollution from overflights and, if not, whether it will do so.

Minister for Defence, Dr Ng Eng Hen:

There are currently no aircraft or aircraft engine manufacturers that have certified or successfully incorporated the use of fin-lined nozzles into their engine design. The RSAF will continue to monitor the development of this and other technologies, and evidence of their ability to also meet operational requirements in a cost-effective way.

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