TM 1-1510-262-10
o. Landing Example.
(1) Weight. The estimated landing weight is determined by subtracting the fuel usage expected for the trip
from the ramp weight:
Ramp Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16,120 lbs
Fuel Usage Expected for Total Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(-)921 lbs
Landing Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15,199 lbs
Maximum Landing Weight (Chapter 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15,675 lbs
Anytime the maximum landing weight limitation would be exceeded, off-load the excess from useful load prior to
takeoff, or burn off the excess from excess fuel (i.e., not from reserve fuel) before landing.
Table 7-4.
Example Time, Fuel, and Distance
ITEM
TIME MIN
FUEL POUNDS
DISTANCE NM
0.0
120
0
Start, Runup, Taxi, and Takeoff Acceleration
20
342
48
Climb
24.4
311
120
Cruise
Descent
13.0
148
49
57.4
921
217
TOTAL
Block Speed: 217 NM Divided by 56.9 Minutes = 227 Knots.
BT05787
(2) Normal landing distance - laps down. Enter the graph at 20C, 5998 feet, 15,199 pounds, 0.3%
uphill runway gradient, 10 knots headwind component, and read the following:
Ground Roll . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1857 ft
Total Distance Over 50-Foot Obstacle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4702 ft
(3) Abnormal landing distances. The landing distances for one engine inoperative or laps retracted can
be determined as shown below.
Landing Distance - One Engine Inoperative - Flaps Down:
Enter the graph with the normal landing distance determined in paragraph (2) above and read the following:
Landing Distance - One Engine Inoperative - Over
50-Foot Obstacle - Flaps Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5834 feet
7-23