Inflatable Hangars

By Jerome Greeer Chandler
Source: Aviation Week & Space Technology
September 23, 2013
Credit: BuildAir

To make the concept of an inflatable hangar fly, first you've got to make sure the structure itself does not fly away.

Jose Antonio Sanz insists his company's inflatable structures can cope with winds of 100 kph (62 mph), even 150 kph (93 mph). “We're talking to a customer who will require 180 kph,” protection, says Barcelona-based Buildair's commercial director.

A telematic control system, coupled with multiple 20-cm (7.87-in.) screws drilled into the tarmac, is essential to a structure's stability.

Telematic controls incorporate anemometers that constantly measure wind speed. When winds whip up, the system's motors pump more air into the semi-circular inflatable tubes that comprise the hangar. At the same time, “You receive an alarm on your smartphone, computer or iPad.”

So far, Sanz says Buildair has sold two inflatable hangars to the MRO industry—one to LAN Airlines and the other to EADS-Cassidian. The former is an H-38, with 38 meters (124.67 ft.) of clear width. It can handle Boeing 737 or Airbus A320-family aircraft. The latter is an H-54, with 54 meters of clear width. It is capable of accommodating an A310. Buildair is talking with a customer about fabricating an inflatable hangar with 75 meters of clear width, one that would provide enough room for an Airbus A330 or a Boeing 767, 777 or 747.

“The really [difficult] dimension is the width,” says Sanz. “It is very difficult to build a large-width structure.”

So far, Sanz says both LAN and EADS-Cassidian are happy with their hangars. Among the attributes he pitches to prospective customers are:

•Price. Sanz contends the inflatable hangar can cost about one-sixth of a standard metal structure.

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