Page 1-4
Pilot’s Operating Manual
Revision A1: Nov, 2002
Sub-section 1
GENERAL
Hawker 800XP Pro Line 21
Section IV - FLIGHT PLANNING DATA
SPEED and TEMPERATURE RELATIONSHIPS
DETERMINATION OF TEMPERATURES RELATIVE TO ISA
Relationship to ISA conditions can be determined by entering the chart with a known altitude and
temperature.
M7015_0.AI
ALTI
TU
D
E
-
th
ous
an
ds
of
feet
TRUE OUTSIDE AIR TEMPERATURE - C
-60
-40
-20
0
20
40
60
0
5
10
15
20
25
30
35
40
45
IS
A
-6
0
C
IS
A
-5
0
C
IS
A
-4
0
C
IS
A
-3
0
C
IS
A
-2
0
C
IS
A
-1
0
C
IS
A
+
1
0
C
IS
A
+
2
0
C
IS
A
+
3
0
C
IS
A
+
4
0
C
IS
A
Figure 1
ISA Temperatures