
 T45A/C TS, E2C2, ADV & IUT Aero06/07
NATOPS Performance Charts / Charts and Exam Review
c.
From intersection of desired distance down
Overlay 3
runway and gross takeoff weight reference line
project vertically down to determine velocity in
Overlay 4
KCAS
d.
Extend the velocity line down to the density
Overlay 5
ration graph
e.
Extend horizontal line from density scale on left
Overlay 6
f.
Project the velocity line down parallel to the
Overlay 7
reference line to the horizontal density ratio line
g.
From intersection of velocity line and density
Overlay 8
ratio line extend line down vertically down to
Overlay 9
velocity graph
Overlay 10
h.
Extend vertical line down to reflector line then to
the left to determine ground velocity at desired
Overlay 11
distance down runway
Sg 3, fr 7
Velocity During Takeoff
i.
Computing takeoff distance using NATOPS
Ground Run
sample problem
D. Maximum Abort Speed
1.
Used to calculates the maximum speed to which an
aircraft can accelerate and then abort on the
remaining runway length
Sg 3, fr 8
2.
Individual charts for dry or wet runway
Maximum Abort Speed
 DRY RUNWAY
3.
Maximum Abort Speed — Dry Runway Computation
(7 Overlays)
a.
Enter chart on density ratio scale
b.
From density ratio scale, project horizontal line
the available runway length reference line
c.
From intersection of density ratio and available
runway length reference line, extend a vertical
line down to gross weight reference line on
Overlay 1
maximum abort speed chart
(999) Original
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