Operation Manual

36
60
55
50
45
40
35
30
25
20
15
10
11
12
13
14
16
17
18
19
21
22
23
24
90
80
70
F
U
E
L
L
B
S
.
L
I
T
E
R
S
.
O
I
L
L
B
S
.
I
M
P
G
A
L
.
G
A
L
.
U
S
.
55
50
N
A
U
T
.
45
40
35
30
25
20
15
10
90
80
70
11
14
16
17
18
19
21
22
23
24
S
T
A
T
.
K
M
.
1:10
1:20
1:30
1:40
1:50
2:00
2:30
3:00
3:30
4:00
4:30
5:00
6:00
7:00
8:00
9:00
Fuel consumption rate
Question
If 120 gallons of fuel
are consumed in
30 minutes’ flying
time, what is the fuel
consumption rate?
Answer
Align “12” on the scale
to “30”. The answer
“24” (240 gallons per
hour) on the scale
corresponds to inner
“
▲
”.