Amazed that a 747 can do a 19L takeoff (!!) at @flySFO with enough fuel to get to LHR. flightaware.com/live/flight/… flightaware.com/live/flight/…

Jul 7, 2013 · 6:58 PM UTC

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Replying to @davidbaron
@davidbaron ... please elaborate? What's 19L and why would it interfere with a plane's ability to carry enough fuel?
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@elwoz 19L is a runway (leftmost oriented at 190° magnetic); fuel is majority (?) of weight on takeoff; heavier == needs longer runway
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