|SEA (47°27'00"N 122°18'42"W)||LHR (51°28'39"N 0°27'41"W)||034034.4°||(NE)||019018.9°||(N)||4,800 mi|
|SEA||FAA||Seattle [Seattle-Tacoma Intl], WA, US|
|LHR||AIP||London [Heathrow Airport], Middlesex, ENG, GB|
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Karl L. Swartz.
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