First Mail: Yankee Clipper

On 20 May, scheduled Atlantic service opened, with Capt. La Porte in the Yankee Clipper departing from Port Washington for Marseilles, carrying mail only. La Portes’s flight went smoothly, and all stations and facilities performed well. Because there were large numbers of first day air mail covers on these early flights, an unusual task became necessary.

Clipper - Wikipedia

Bildagentur, mauritius images

Yankee Clipper Bequia Stories

ボーイング（Boeing）314飛行艇クリッパーClipper；鳥飼行博研究室

Welcome

Pan American inaugural air mail flight: Yankee Clipper, Southern route, 1939 [part 1] - Pan American World Airways Records - Digital Collections

Flying Boats Made Shediac Bay an Air Hub

ボーイング（Boeing）314飛行艇クリッパーClipper；鳥飼行博研究室

Pan Am Historical Foundation - Page #1

Pan American Airways Early Days and the B-314 Yankee Clipper – IEEE

Pan American inaugural air mail flight: Yankee Clipper, Southern route, 1939 [part 1] - Pan American World Airways Records - Digital Collections

Pan Am's Flying Clippers - World Airline Historical Society