Fasten your safety belts. Jeremy Cape of Squire Patton Boggs explains the U.K.’s Air Passenger Duty (APD) and one group’s proposal to impose a frequent flyer levy.For additional coverage, read these articles in Tax Notes:Come Fly With Me, But Not Too FrequentlyGerman Airline Tax Prepared for Takeoff9 European Countries Unite in Push for EU Aviation TaxBrazilian Government to End $18 Fee on International FlightsTrade Group Advises Switzerland to Forgo Aviation Carbon TaxIn Willis Weighs In, Tax Notes contributing editor Ben Willis continues to discuss business purpose hurdles related to his article on the principle purpose threshold with Executive Editor for Commentary Jasper Smith.Please reach out to Ben with questions at ben.willis@taxanalysts.org.We want to hear from you, our listeners! To fill out a short, two-minute survey, visit taxnotes.co/podcastsurvey.