Timeline for For what is VMCL the minimum control speed?
Current License: CC BY-SA 4.0
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| Jul 22, 2018 at 21:21 | comment | added | Cpt Reynolds | @JohnK I agree. If I recall correctly, the only large aircraft I know where VMCL is actually a defining limit speed are the 777-200LR/F variants (short fuselage, ginormous engines). VMCL considerations keep VREF high for light weights, so - yes, the limit is inherently considered throughout approach, landing and go-around phase due to target speeds being based on VREF, but the critical point which defines the magnitude of VMCL is at the point where go-around thrust is set on n-1 engines (the nth one being dead) with the aircraft in landing configuration at final approach speed. | |
| Jul 22, 2018 at 20:44 | comment | added | John K | There is an interesting semantic issue here. It's a pretty diabolical question. Imagine trying to parse that question if English was your second language. Anyway, doesn't D imply that the only time you have to respect VMCL is at the time a go around is initiated? My thinking is the limitation applies at all times you are in a landing configuration, ie gear down full flaps, for the possibility of full asymmetric power being applied for any reason. It doesn't only apply once the full asymmetric power is applied; it's the defense against losing control if that occurs. | |
| Jul 22, 2018 at 19:08 | history | edited | Cpt Reynolds | CC BY-SA 4.0 |
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| Jul 22, 2018 at 17:20 | history | edited | Cpt Reynolds | CC BY-SA 4.0 |
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| Jul 22, 2018 at 16:44 | history | answered | Cpt Reynolds | CC BY-SA 4.0 |