Furthermore, most sightings occur between 50 and 70 degrees latitude; perfect if you live north of New York , Madrid or Beijing and south of Barrow, Alaska. Finally, as if to make it as difficult as possible for anyone to catch sight of … But a British Airways pilot explained the clouds to a few curious pilots over our air -to- air frequency that’s often used to share ride information or to collect an email address of a passing flight if an especially good photo is taken.
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Cockpit Chronicles: Six surreal sights seen by pilots | Gadling.com