This was the world 's first time landing a Boeing 777 at the San Francisco airport . The pilot had 43 hours of experience of flying the 777 , North Korea says . NTSB : It was well below the target air speed for approach . Lee had 43 hours of experience flying the B777-200 , he said . Pilots called for a ` ` go - around '' 10 seconds before impact , NTSB says .
This was the world 's first time landing a Boeing 777 at the San Francisco airport . The pilot had 43 hours of experience of flying the 777 , North Korea says . NTSB : It was well below the target air speed for approach . Pilots called for a ` ` go - around '' 10 seconds before impact , NTSB says .