Well, hell, you didnt tell me you had on o those new fangled multi-flap setting thangs...and you can land on many flap settins...hot damn...
so since speed aint no issue wit you...which CAT minima do you figurin using on da chart? or don that she'et make a heap o difference to ya all... just 'git er down"? |
you may ask questions- of course always cat A for best possible minimums !:ouch:
seriously... when the aeroplane is approved for many flap settings and gives you tables for each flap setting you have to look at the actual vref at a given configuration , because vref is the thing category depends on . |
with actual weight, flap settings give VREF
VREF X 1.3 equals final approach speed....but then there are MET conditions...winds. perhaps, far down the variable list, VREF is a component of the CAT, but it is but one that trumps... final approach speed rules. |
Didn't you mix up Vs with Vref? Never heard about a factor added to Vref, just a fixed additive (737 for example +5 to +20kts depending on wind/gust).
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Denti,
Thanks for pointing that out...you are correct VREF is 1.3 times Vso... then add winds... |
Vref can be lower than 1.3 Vso.
737-800 Flaps 40 is either 1.23 or 1.25 Vso. I forget the details but I think the FAA(FAR?) minimum is 1.21 Vso. |
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