Even In Lufthansa First Class, You Can't Smoke Pot In The Lavatory Live and Let's Fly Who remembers these days the "joys" of flying with Lufthansa when smoking was allowed in the cabins of commercial aircraft, albeit only in the back rows. Although it was hard to escape Lufthansa bans use of power banks on board heise online Airlines led by Lufthansa are moving to strengthen power bank rules after a 2025 cabin fire renewed concerns about lithium safety.