Not all PDFs are created equal. A truly portable version for the 787 should have:
Beware of low-quality scans found on dubious websites; they often lack OCR, contain blurry schematics, or are outdated by a decade. 787 fcom pdf portable
If your copy lacks bookmarks, use Foxit PhantomPDF to manually tag major sections (1.00 – General, 1.20 – Air Systems, etc.). Not all PDFs are created equal
Boeing releases revisions every quarter. Your 2019 FCOM PDF may not include the 2023 changes to battery management or OIS (Onboard Information System) updates. Solution: Always download the latest revision from your official source. Beware of low-quality scans found on dubious websites;