And under International Civil Aviation Organisation regulations, any structure over 45 metres tall on a flight path or near an aerodrome must be fitted with a medium-intensity aircraft warning light.

BBC: London helicopter crash: What are the rules for pilots?

The team structure is being expanded to all of GE Aviation's 83 supply-chain sites, which employ 26, 000.

WSJ: Welcome to the Bossless Company

The 52, 000-square-foot structure is a dream taking shape for Vern Raburn, chief executive of Eclipse Aviation.

FORBES: Ready for Takeoff