HISTORIC AIRPLANES: A Fatal
Error - the de Havilland Twin
their drive to open up a transcontinental flyway, postal officials
were constantly seeking better, faster aircraft for their
pilots to use. The airmail service had tested several airplanes
besides the JN-4 and de Havilland 4, but no real alternative
aircraft had been found. When a determination was made to
reconfigure the de Havilland aircraft by adding a a second
engine, postal officials believed they had found their airplane.
The first test flights of this aircraft were
positive, and 15 twin de Havillands were ordered. Unfortunately
for pilots and officials, the test flights did not reflect
the problems the airplane would develop when used by postal
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Fatal Error - the de Havilland Twin.