EXAMPLE
Throughout this Section we will
consider the following
specifications an example to
demonstrate usage of the
performance charts.
TAKEOFF CONDITIONS
Field length
Field pressure altitude
Temperature
CRUISE CONDITIONS
Total distance
Pressure Altitude
Temperature
Expected wind enroute
LANDING CONDITIONS
Field length
Field pressure altitude
Temperature
3200 feet
2000 feet
30°C
320 nm
5500 feet
20°C
10 knot headwind
3000 feet
2000 feet
25°C
TAKEOFF
The takeoff distance chart, figure
5-4 should be consultet, keeping
in mind that that the distances
shown are based on the short
field technique. Conservative
distances can be established by
reading the chart at the next
higher value of weight, altitude
and temperature. For example, a
weight of 2400 pounds, pressure
altitude of 2000 feet and a
temperature of 30°C should result
in the following: •
A correction for the effect of wind
may be based on Note 3 of the
takeoff chart. The correction for
a 12 knot headwind is:
This results in the following distances, corrected for wind:
1200
156
1044
2220
289
1931
12 Knots
9 Knots
10% = 13% Decrease
Ground roll, zero wind
Decrease in ground roll
(1200 Feet 13%)
Corrected Ground Roll
Total distance to clear a
50-foot obstacle, zero wind
Decrease in total distance
(2220 Feet 13%)
Corrected total distance
to clear 50-foot obstacle
Ground roll
Total distance to clear a 50-foot obstacle
1200 Feet
2220 Feet
FLIGHT SIMULATION USE ONLY
PERFORMANCE
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