Tundra tire

In North America its post-World War II invention is credited to Canadian Welland Phipps,[1] potentially inspired by the Goodyear Tire & Rubber Company's pre-World War II development of their own, similar low-pressure "airwheel" as a complete wheel-rim and tire set — said to be of the "Musselman" type from U.S. patent 1,877,360, for its original inventor, Alvin J. Musselman — which was introduced to the American public in the late summer of 1929,[5] and becoming available in the United Kingdom by 1930.

He later established his own airline, Atlas Aviation, which operated a fleet of De Havilland Canada DHC-6 Twin Otters on balloon tires.

[1] In the United States and particularly in Alaska, tundra tires of various designs were often installed under local field approvals by Federal Aviation Administration inspectors.

Starting in April 1995 the FAA carried out flight test experiments to determine whether the tundra tires were a contributing factor.

Here you have a group of people that lost their shirts in the stock market after 9/11 but still have disposable income and are tired of sitting in the office watching the clock.

"[1]Charles McDowell, an Aviat Husky pilot stated: There's the coolness factor, plus it's nice to have a little more capability than you may need...We want a rugged plane because it makes us feel a little more independent from the infrastructure.