Talk:North American BT-9

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What dollars are we talking about with the cost figure? Clearly it's not 2005 dollars; is it 1939 dollars? 1945 dollars? 1936 dollars?--Robert Merkel 12:07, 20 November 2005 (UTC)

Furthermore, the Boeing link gives the internal North American designation of the production BT-9 as the NA-19. Do you have a source for the NA-57 designation?--Robert Merkel 12:13, 20 November 2005 (UTC)

This variants issue is quite confusing. In French service (1939-42), an early model with fabric-covered rear fuselage was designated as NAA-57 while the later, fully-metallic model (still with fixed landing gear) was designated as NAA-64. PpPachy 17:55, 20 March 2007 (UTC)