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747-400 MAINTENANCE MANUAL
(e) Fuselage: Height of body reference plane (top of floor beam WL 199.3) above ground at main gear -- 5.5 inches Angle of body reference plane with respect to ground line --1/2 degrees (nose down)
Height (constant cross section) -- 267.75 inches Above body reference plane -- 158.95 inches Below body reference plane -- 108.80 inches
Height to centerline of windows above body reference plane --38 inches Length -- 2702 inches
(2) Areas
(a)
Wing (basic) -- 5660 square feet
(b)
Flaps
Leading Edge (retracted) -- 448 square feet
Trailing Edge (retracted) -- 847 square feet
(c)
Ailerons -- 226 square feet
(d)
Spoilers -- 304 square feet
(e)
Horizontal stabilizer surfaces (total, including area within fuselage) -- 1470 square feet
(f)
Elevator Surfaces -- Inboard - 81.9 square feet, Outboard -
76.5 square feet
(g)
Vertical tail surface (total) -- 830 square feet
(h)
Rudder Surfaces -- Upper - 135.8 square feet, Lower - 92.4 square feet
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747-400 MAINTENANCE MANUAL
BODY STATION DIAGRAM - DESCRIPTION AND OPERATION
WL 312
WL 118
WL 91
STA STA STA STA STA 1000 1101 1241 1350 1480
STA
Body Station Diagram
Figure 1 (Sheet 1)
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747-400
MAINTENANCE MANUAL
B STA B STA B STA B STA B STA B STA 1480 1640 1800 1920 2040 2261
SIDE CARGO DOOR (OPENING 122 X 134 INCHES, LEFT SIDE)
AFT CARGO DOOR (OPENING 68 X 104 INCHES, RIGHT SIDE)
Body Station Diagram
Figure 1 (Sheet 2)
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747-400 MAINTENANCE MANUAL
WING LANDING FORWARD ELECTRONIC
GEAR DOOR
B BL 0
B BL 0
B STA B STA 1394340 1480
PLAN VIEW
BWL 358.75
BWL 231
BWL 199.8
BWL 130.4 BWL 118
SHOULDER BWL 91
POINT
CONSTANT CROSS SECTION - SECTION 46 (EXAMPLE)
1
2ND-DEGREE CURVE - LOWER LOBE
FROM WL 231 TO BL 0 AT WL 91
Body Station Diagram
Figure 1 (Sheet 3)
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747-400 MAINTENANCE MANUAL
VERTICAL STABILIZER AND RUDDER STATION DIAGRAM - DESCRIPTION AND OPERATION
1.
FIN STATIONS ARE PERPENDICULAR TO REAR SPAR CENTERLINE.
2.
LEADING EDGE STATIONS ARE PERPENDICULAR TO LEADING EDGE.
3.
RUDDER STATIONS ARE PERPENDICULAR TO 70% CHORD RUDDER HINGE.
4.
ANGLES ARE AS FOLLOWS:
(a)
A = 50`7'
(b)
B = 48`59'
(c)
C = 42`53'
(d)
D = 35`53'
(e)
E = 32`50'
(f)
F = 22`14'
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