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Aircraft Design


The education activity of
the Technical Committee
Aircraft Design (TCAD)
under CEAS


Information for Authors

Producing PDF/A

PDF/A We have an EWADE Archiving Strategy! Starting with EWADE 2013, documents are stored in PDF/A and are archived in Zenodo. Zenodo is a repository made available by the European Union. With PDF/A and Zenodo documents should be available, discoverable, and reproducible for the next decades (or even centuries):

Creation of PDF/A

Authors ...

  • ... should produce simple text with pictures (e.g. no videos included),
  • ... should produce well structured documents,
  • ... should avoid transparency,
  • ... may not protect their PDF with a password,
  • ... are allowed to use links pointing within the PDF,
  • ... should avoid outside web links (unless pointing to persistent links like DOIs).
The best would be to produce (tagged) PDF/A-1a (Part 1: ISO 19005-1:2005 Level a or b). If this is not possible, authors should produce PDF/A-1b. Only in cases where transparent colors can not be changed anymore in the original document, PDF/A creation needs to be done with PDF/A-2b (Part 2: ISO 19005-2:2011 Level b; ISO 32000-1:2008). Authors who can not provide PDF/A conforming PDF documents, should provide also the original file (e.g. *.doc, *.ppt).

Conversion to PDF/A directly from the Office Software is preferred. It seems to produce PDF/A with only few errors. E.g. in PowerPoint select "Save As" and click on "Options" in the dialog box. Select "PDF/A" under "PDF options". See these Screen Shots for Microsoft and other products.

Conversion to PDF/A from PDF tends to be problematic and is only the last resort:

Verification of PDF/A for files directly created or converted: Further practical hints about the production of PDF/A files:
Last update:  03 October 2017
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