The current answer
Battery capacity limits, plug standards, and the legal status of VPN use, which is restricted in a small number of countries.
This page is still being built. Until it is complete, verify independently using the sources below. The method in the book does not change; the specifics do.
Where to verify it yourself
- Airline dangerous goods pages, and IATA guidance
- Destination government positions on VPN use
What the book says
See Phase 5 §2. The book teaches the method for working this out. This page carries whatever the current specifics happen to be.
What changed and when
No revisions yet.