This document summarizes Noise Abatement Procedure (NAP) Research and Development (R&D) projects undertaken by various parties, including universities, regulatory agencies, manufacturers, air carriers and airports. The summaries are a result of survey questionnaires that were distributed to contact persons for NAP R&D in 2005–2006 and to CAEP Member States and observers in 2008.

Terms of use of documents:

- Copying text - allowed;

- Saving parts of the document in png format - allowed;

- Document printing - prohibited;

- Downloading documents - prohibited;

All submitted documents have the status of official electronic copies.

The documents were provided by LLC "SZ RCAI" - the official trade representative of ICAO.

If you need more than 1 account, please contact us for special price offers: icao@standart.aero