ATC computers could not handle B737-400. Too many characters
Al

"Ron" wrote in message
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"Jim Morris" wrote in message
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Why is it called a 734 and not 737-200?

It is a 737-400, in ATC abbreviations written as 734. A 737-200 would be
written as 742, a 747-400 as 744, etc.

Ron
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Non urinat in ventum