To export your large document (too large for email) out of ForeFlight Mobile:
STEP 1. Go to the DOCUMENTS view and select the document you want to export.
STEP 2. Tap the SEND TO button.
STEP 3. Select the PRINT option.
Select the SEND TO button and then PRINT
STEP 4. In the Print Options window, zoom into the document preview to open the document in a full-screen view.
Zoom into the document preview
STEP 5. Tap the SEND TO icon.
STEP 6. Select among the export options (AirDrop, Books, or Dropbox if you have a service linked to your account).
Tap the SEND TO icon to select export options