GRUMMAN AMERICAN
FOR TRAINING USE ONLY – SECTION 5
MODEL GA‐7/COUGAR
PERFORMANCE
5‐13
Issued: April 10, 1978
TAKEOFF DISTANCE (NORMAL TAKEOFF)
ASSOCIATED CONDITIONS:
POWER
FULL THROTTLE AT 2700 RPM
FLAPS
UP
LANDING GEAR
RETRACT AFTER POSITIVE CLIMB ESTABLISHED
COWL FLAPS
OPEN
RUNWAY
HARD SURFACE, LEVEL, AND DRY
ZERO WIND
NOTES:
1.
DECREASE DISTANCES 4% FOR EACH 5 KNOTS HEADWIND. FOR OPERATION WITH
TAILWINDS UP TO 10 KNOTS, INCREASE DISTANCES BY 10% FOR EACH 2.5 KNOTS.
2.
IF TAKEOFF POWER SET WITHOUT BRAKES APPLIED, THEN DISTANCE APPLY FROM
POINT WHERE FULL POWER IS ATTAINED.
3.
THE TAKEOFF PERFORMANCE PRESENTED IS BASED ON TAKEOFFS FROM HARD
SURFACE RUNWAYS. GRASS, SAND, MUD, OR SNOW CAN EASILY DOUBLE THE
TAKEOFF DISTANCE.
Weight
Lbs
Takeoff Speed KIAS
Press
Alt
Ft
0°C (32°F)
10°C (50°F)
20°C (68°F)
30°C (86°F)
40°C (104°F)
Lift Off
50 Ft
Ground
Roll
Feet
Total
To Clear
50 Ft Obs
Feet
Ground
Roll
Feet
Total
To Clear
50 Ft Obs
Feet
Ground
Roll
Feet
Total
To Clear
50 Ft Obs
Feet
Ground
Roll
Feet
Total
To Clear
50 Ft Obs
Feet
Ground
Roll
Feet
Total
To Clear
50 Ft Obs
Feet
3800
65
76
SL
2000
4000
6000
8000
976
1181
1433
1744
2130
1802
2158
2592
3125
3780
992
1200
1456
1772
2165
1834
2196
2639
3181
3848
1008
1219
1479
1800
2199
1866
2234
2684
3236
3914
1023
1237
1501
1828
2232
1897
2272
2729
3290
3979
1038
1256
1523
1854
2265
1928
2309
2774
3343
4044
3400
61
73
SL
2000
4000
6000
8000
731
884
1073
1306
1595
1370
1641
1971
2375
2873
743
899
1090
1327
1621
1395
1670
2006
2418
2924
755
913
1107
1348
1647
1419
1699
2041
2460
2975
766
927
1124
1369
1672
1443
1728
2075
2501
3025
777
940
1141
1389
1696
1466
1756
2109
2542
3074
3000
58
68
SL
2000
4000
6000
8000
528
639
775
943
1152
1007
1206
1448
1745
2110
537
649
787
959
1171
1025
1228
1474
1776
2148
545
659
800
974
1189
1043
1249
1500
1807
2185
553
669
812
988
1207
1061
1270
1525
1838
2222
562
679
824
1003
1225
1078
1291
1550
1867
2258
Figure 5‐6. Takeoff Distance (Normal).
EXAMPLE:
OAT
29°c (84°f)
PRESSURE ALTITUDE
546 FT.
WEIGHT
3750 LBS.
HEADWIND COMPONENT
9.8 KTS.
GROUND ROLL
964 FT.
TOTAL TO CLEAR 50 FT OBS.
1785 FT.
TAKEOFF SPEED AT LIFT‐OFF
65 KIAS
50 FEET
76 KIAS