Fans of interesting drinks at 35,000 feet got good news last year when German airline Lufthansa announced the arrival of Avionic, a custom in-flight aperitif. Developed with help from award-winning bartender Sven Riebel of Frankfurt’s Seven Swans & the Tiny Cup in partnership with the historic Ziegler distillery, the new 18 percent ABV spirit was described in press releases as “your new favorite drink on board” — at least for those with tickets in business class. According to Ziegler ...