PPRuNe Forums - View Single Post - Southwest Captain Reduced Power Before NYC Crash Landing
Old 22nd Nov 2014, 17:17
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AirRabbit
 
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Originally Posted by peekay4
(My Comment)
... calculated from multiplying the stall speed (Vs) by a multiplier of 1.3 (commonly seen as 1.3Vs)
(peekay4’s Comment)
That's old school... these fancy new planes have Vref = 1.23 Vsr0
I guess that show’s my age – but I’m glad that the industry is progressing to the point where we can be exposed to a process that uses more precise thinking than “rounding up to the next highest integer” for safety’s sake ... derived out of a concern that professional aviators would be flummoxed by having to deal with “two decimal places,” particularly those ending with an “odd” number value.
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