GRUMMAN AMERICAN
FOR TRAINING USE ONLY – SECTION 5
MODEL GA‐7/COUGAR
PERFORMANCE
5‐6
Issued: April 10, 1978
Pressure
Altitude
Feet
Power
Setting
RPM/MAN
Pressure
Standard Temperature
20°C Above Standard Temperature
Temp
%BHP
KTAS
B.P. F/F
GPH
Temp
%BHP
KTAS
B.P. F/F
GPH
8000
2600/20 in.
‐1°C
66
149
17
19°C
64
148
17
10000
2600/20 in.
‐5°C
68
153
18
15°C
65
152
17
Interpolating for 8500 feet yields:
Pressure
Altitude
Feet
Power
Setting
RPM/MAN
Pressure
Standard Temperature
20°C Above Standard Temperature
Temp
%BHP
KTAS
B.P. F/F
GPH
Temp
%BHP
KTAS
B.P. F/F
GPH
8500
2600/20 in.
‐2°C
67
150
17
18°C
64
149
17
Time and fuel used were calculated as follows:
𝑇𝑖𝑚𝑒
𝐷𝑖𝑠𝑡𝑎𝑛𝑐𝑒
𝐺𝑟𝑜𝑢𝑛𝑑 𝑆𝑝𝑒𝑒𝑑
𝐹𝑢𝑒𝑙 𝑈𝑠𝑒𝑑 𝑇𝑖𝑚𝑒 𝐹𝑢𝑒𝑙 𝐹𝑙𝑜𝑤
Route Segment
Distance
N.M.
Est. Ground
Speed
Kts
Time at Cruise
Altitude
Hrs
Fuel Used for
Cruise
Gal.
TUL – IFI
87*
179
.49
8.3
IFI – SYO
84
166
.51
8.7
SYO – AMA
232**
170
1.36
23.1
* Distance required to climb has been subtracted from the segment distance.
** Distance required to descend has been subtracted from the segment distance.