Indeed, the flame is directed "horizontally" and stays like that even if you incline the pipe lighter
However, e-cigs are still allowed to be taken on the plane in carry-on luggage, and spare batteries must be in the carry-on or on the person as well
Cigar smoking methods sub-group technical report: Collaborative study on handmade cigar smoke anlaysis (TPM, water, nicotine, NFDPM, CO and puff count)
Kentucky Louisville International Airport (SFD) Website: Phone: (502) 367-4636 Completely smoke-free indoors and e-cigarette use is not permitted indoors at Louisville International Airport
I am also having to use 2 different sources to get this info which is making it difficult
Additionally, the combination of tea and cigarette acts as an 'ice-breaker.' Gather around people with a cigarette and tea in your hand