Fifty years ago, a helicopter company called New York Airways whisked passengers from the rooftop of the iconic Pan Am Building in midtown Manhattan to any city airport in just 10 minutes.

A fatal accident in 1977, however, brought the era to an end.

Donald Trump, years later (and years before he became president), would also attempt to launch a helicopter shuttle service, but according to the New York Times, it fizzled.

These days, new technology could open a new chapter in short-distance airborne…