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Hawker 850XP Pro Line 21 Airplane Flight Manual
Sub-section - 5.15
TAKE-OFF WAT DATA
Page 2
FAA Approved
Original Issue: Feb 28, 2006
INTRODUCTION
This Sub-section contains weight, altitude and temperature (WAT) data which limit the take-off
weight of the airplane from a consideration of airworthiness climb requirements and tire speed
limitations. The climb performance upon which the curves are based is given in Sub-section
5.55.
INSTRUCTIONS FOR USE OF CHARTS
To Determine the WAT Limit Required
•
Determine the appropriate take-off WAT chart:
Figure 5.15.1 provides weight, altitude, and temperature limits with Flaps 15
°
.
Tire speed is never limiting with Flaps 15
°
.
Figure 5.15.2 provides weight, altitude, and temperature limits with Flaps 0
°
and tires
limited to 210 mph.
•
Enter the appropriate chart from the left with the field pressure altitude. Move across to the
air temperature.
•
From the intersection of the air temperature and field pressure altitude, move down to read
the maximum allowable take-off weight, from the bottom scale.
NOTES:
1.
To obtain the effect of engine antice on climb gradient, add 10
o
C to the actual air
temperature before entering the chart.
2.
The maximum weight determined by other considerations such as available take-off
field length must also be checked (see Sub-section 5.20).
For Training Purposes Only