Pan Am 707 “Clipper Endeavor” out for a test flight in late 1962 thejivebombers Airliners & Travel January 10, 2018April 21, 2020 1 Minute Aircraft is on a westerly heading over Whidbey Island. The seaplane base of NAS Whidbey Island is on the peninsula top right. Share this:TwitterFacebookLike this:Like Loading... Related Published by thejivebombers View all posts by thejivebombers Published January 10, 2018April 21, 2020