Talk:EPNdB

Environment: Environmental Record Low‑importance

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Aviation

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Physics: Fluid Dynamics / Acoustics Low‑importance

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Updates

Made some additions to earlier content. ICAO Annex 16 is a copyrighted document. Although there are many unauthorized copies on the web, and summaries of comments etc. as previously linked, the actual document must be purchased from ICAO.Altaphon (talk) 22:03, 25 April 2019 (UTC)[reply]