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By E. Obert

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9 - Aerodynamic efficiency at (L/D)max . Source : AGARD report no. 712, Paper No. 6 Note that the aspect ratio is only of importance if the wing area is fixed. 2) The derivation of the figure will be further discussed in chapter 40. It can be seen that the B-52 is unsurpassed; it is approximately where the designs of the Airbus A340 and Boeing 777 would be in the diagram. 3VS to standstill by braking. 20 5)&"*3$3"'5%&4*(/130$&44t Take-Off A requirement for civil transport aircraft is that it must be possible to continue the take-off after an engine has failed at a critical moment during the ground run.

7 22 5)&"*3$3"'5%&4*(/130$&44t Landing Climb requirements have not only been formulated for take-off but also for landing. 15. 7% at the certificated minimum approach speed. 2%. When an engine failure occurs during flight it is possible to have a missed approach when approach flaps have been selected, but a go-around should not be attempted when landing flaps are deployed. Once landing flaps are selected the landing must be continued . The climb and descent performance requirements set operational restrictions to the take-off and landing weight depending on altitude and temperature (WAT limit) and obstacles.

14 give more information about the take-off ground run and climb out phases. 12 - Take-off profile and major parameters. Source : AGARD LS-37, paper no. 13 - Take-off profile. Source: AGARD CP-365, paper no. 14 - Take-off profile. Source : AGARD LS-43, paper no. 7 22 5)&"*3$3"'5%&4*(/130$&44t Landing Climb requirements have not only been formulated for take-off but also for landing. 15. 7% at the certificated minimum approach speed. 2%. When an engine failure occurs during flight it is possible to have a missed approach when approach flaps have been selected, but a go-around should not be attempted when landing flaps are deployed.

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