Well 180 of the -1's were built. But because of poor performance and flight characteristics. The factory redesigned the airplane and made the -3. It had been reported that it still had issues with the rudder and Vibration but the Navy liked what they had and could deal with the faults. So after the 1st order of 50 was approved. It was increased to 816.
Each N3N cost the tax payer $23,000 each in 1940.

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Long Live the N3N-3 "The Last US Military Bi-Plane" 1940-1959
Badmouthing Stearmans on WIX since 2005
