Seattle tallest building Rendering: LMN Architects/Crescent Heights

Looks like Seattle may not become home to the tallest skyscraper on the West Coast after all. The Federal Aviation Administration released a notice declaring the proposed 101-story downtown Seattle skyscraper a hazard to air navigation.

Miami-based developer Crescent Heights hopes to build two levels of retail shopping, four levels of above-grade parking, six levels of office space, 350 hotel rooms, and 1,200 residential units in the proposed Fourth and Columbia Tower.

But according to the FAA, at a height of 1,117 feet above the street, the proposed Fourth and Columbia Tower, also referred to as 4/C, could obstruct aircrafts (Not too mention Seattle’s wacky drone and UFO air traffic congestion.)

seattle aviation Boeing 767 over Mount Rainier, circa 1980s. Photo: Seattle Municipal Archives/Flickr

The FAA “presumed hazard” notice says construction cranes needed to build 4/C could interfere with helicopter traffic ferrying emergency patients to Harborview Medical Center, resulting in the a temporary closure of the helipad.

Despite this setback, the developer remains optimistic. In a statement to KOMO News, Crescent Heights says the FAA notice is part of a “standard, business-as-usual review process” and “all development projects are presumed to be hazards until determined otherwise”.

If the FAA changes their tune, when would construction of 4/C begin? Puget Sound Business Journal reports that in early submissions to the city, Crescent Heights officials said they’d like to start building in 2017. Crescent Heights still has to get the city to sign off on the design of any project before the company can apply for a master-use permit.

Will Seattle have the tallest tower of them all? Wait and see.

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