 Nyora kupfuurira kweiyi ndima - 1929 stock market crashuye kuderera kwemari kwakatevera, pamwe chete nemitemo yakaoma zvikuru yokuchengeteka, zvakaita kuti masekisi akawanda anobhururuka nemasangano anobhururuka avhiringidzike. Mumakore gumi, sarudzo dzevakadzi vatyairi muUnited States dzaive dzakanyanya kugumira pakutengesa, kushambadzira, kumhanya uye barnstorming uye kuve murayiridzi wendege. Muna 1930, Ellen Church, mutyairi wendege akanga asingakwanisi kuwana basa rokubhururuka, akakarakadza vakuru vakuru vemakambani enhandare dzendege kuti vakadzi vabvumidzwe kushanda savamiririri vendege mundege. Akanga akabatirwa pamwedzi mitatu yokuedzwa neBoeing Air Transport uye akasarudza vatakuri vanomwe vokutanga vendege. Ava vabatiri vendege vokutanga vaidikanwa kuva pasi pe 115 mapaundi, vanamukoti uye vasina kuroora. 