Quantcast Takeoff Path - One Engine Inoperative.

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TM 1-1510-224-10 setting.      The   accelerate-go   distance   (flaps   up)   would exceed the available runway length, so a flaps-approach takeoff must be calculated if it is desired to allow for the accelerate-go    distance    (which    is    not    a    regulatory requirement, but a recommended practice). i. Takeoff Path - One Engine Inoperative. Graphs  are  provided  to  estimate  the  horizontal  distance required  to  reach  a  height  of  1500  feet,  or  the  minimum climb  gradient  required  to  clear  an  obstacle  along  the take-off flight path.  If clearance of obstacles beyond the runway   is   required,   these   results   may   restrict   takeoff weight accordingly. The  takeoff  distance  extends  from  brake  release  to reference zero, which is the point at which the aircraft is 50  feet  above  the  runway.    The  net  takeoff  flight  path begins at liftoff and consists of the following segments: 1. The first segment climb extends from liftoff to    the    point    where    the    landing    gear completes     the     retraction     cycle.          The airspeed is maintained at V2. 2. The  second  segment  climb  begins  at  the end  of  the  first  segment  and  extends  to 500  feet  above  the  runway.    The  airspeed during the second segment is V2. 3. The acceleration and flap retraction segment  consists  of  an  acceleration  from V2  to  VENR  at  a  constant  height  of  500 feet.      If   a   flaps-   approach   takeoff   was made, begin flap retraction at VENR. 4. The third segment climb begins when one- engine-inoperative climb speed is reached and  flaps  are  fully  retracted  at  500  feet, and    extends    to    1500    feet    above    the runway.  Air-speed is maintained at VENR during this segment. j. Takeoff    Path    Profile    (Flaps    Approach,    One Engine  Inoperative).    The  following  examples  illustrate the use of the flaps-approach takeoff path graphs.  Enter the  graphs  at  15C   FAT,   3499   feet   pressure   altitude, 16,000   pounds   takeoff   weight,   1.9%   downhill   runway gradient, and a 10-knot headwind component. (1) Example 1 - close-in obstacle clearance: given: Obstacle  Height  Above  Aircraft  at  Brake  Release      88 feet Obstacle Distance from Brake Release          16,294 feet Figure 7A-1.  Takeoff Path Profile - One Engine Inoperative 7A-12

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