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GRUMMAN AMERICAN
FOR TRAINING USE ONLY – SECTION 5
MODEL GA‐7/COUGAR
PERFORMANCE
5‐14
Issued: April 10, 1978
TAKEOFF DISTANCE (SHORT FIELD 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
61
70
SL
2000
4000
6000
8000
820
992
1203
1465
1789
1510
1808
2172
2618
3168
833
1008
1223
1489
1819
1537
1840
2211
2665
3224
847
1024
1242
1512
1847
1563
1872
2249
2711
3280
859
1039
1261
1535
1875
1590
1904
2287
2757
3335
872
1055
1280
1557
1903
1615
1934
2324
2801
3389
3400
58
66
SL
2000
4000
6000
8000
614
743
901
1097
1340
1148
1375
1651
1990
2407
624
755
916
1115
1362
1169
1399
1681
2026
2450
634
767
930
1132
1383
1189
1424
1710
2061
2493
644
778
944
1150
1404
1209
1447
1739
2096
2534
653
790
958
1167
1425
1229
1471
1767
2129
2575
3000
55
63
SL
2000
4000
6000
8000
444
536
651
792
968
844
1010
1213
1462
1768
451
545
661
805
984
859
1028
1235
1488
1800
458
554
672
818
999
874
1046
1257
1514
1831
465
562
682
830
1014
889
1064
1278
1540
1862
472
570
692
843
1029
903
1081
1298
1565
1892
Figure 5‐7. Takeoff Distance (Short Field).
EXAMPLE:
OAT
29°c (84°f)
PRESSURE ALTITUDE
546 FT.
WEIGHT
3750 LBS.
HEADWIND COMPONENT
9.8 KTS.
GROUND ROLL
810 FT.
TOTAL TO CLEAR 50 FT OBS.
1495 FT.
TAKEOFF SPEED AT LIFT‐OFF
61 KIAS
50 FEET
70 KIAS