3. Intentionally left blank
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4. 06-00 Aircraft areas and dimensions
Introduction
This chapter describes the aircraft’s general external dimensions, aircraft
zoning and station identification. The fuselage stations show the length
measurements along the longitudinal axis.
All horizontal measurements are taken from the datum line FS 0 which is lo-
cated at the nose tip. The forward pressure bulkhead is located at station
610 and the fuselage is pressurized between the forward pressure bulkhead
and the rear pressure bulkhead, which is located at station 23500.
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5. Figure 1: Horizontal measurements
FS 0
FS 23500
FS 610
Longitudinal axis
Forward pressure Rear pressure
bulkhead bulkhead
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6. The aircraft measurement Embraer 170
The aircraft has a total length from the nose to the tail of 29.90m (98 ft 1 in.),
the height from the ground to the top of the vertical tail is 9.67m (31 ft 9 in.)
and a vertical tail area of 16.20 m² (174 ft² 54 in²).
The distance from the nose gear to the main gear is 10.60 meters (34ft 9 in).
The aircraft has a total wing span of 26.00m (85 ft 4 in) with a total wing area
of 72.72 m² (782 ft² 180 in²), a horizontal tail span of 9.84 m (32 ft 4 in.), with
a horizontal tail area of 23.25 m² (250 ft² 38 in²) and a fuselage external di-
ameter of 3.01 m (9 ft 11 in.).
The distance from the left to right main gear is 5.20 meters (17ft).
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7. Figure 2: Aircraft measurements Embraer 170
Total wingspan: 26.00 (85 ft 4 in)
Total wing area: 72.72 m 2 Horizontal tail area: 23.25 m 2
2
(782 ft 180 in2) (250 ft 2 38 in 2)
Horizontal tail span:
9.84 m (32 ft 4 in)
9.67 m (31 ft 9 in)
Vertical tail area: 16.20 m 2 (174 ft 2 54 in2 )
Distance from nose gear to main gear:
10.6 m (34 ft 9 in)
29.90 m (98 ft 1 in)
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8. The aircraft measurement Embraer 175
The aircraft has a total length from the nose to the tail of 31.68m (103 ft 11
in.), the height from the ground to the top of the vertical tail is 9.73m (31ft 9
in.) and a vertical tail area of 16.20m² (174 ft² 54 in²).
The distance from the nose gear to the main gear is 11.40 meters (37ft 5 in).
The aircraft has a total wing span of 26.00 meters (85 ft 4 in) with a total wing
area of 72.72 m² (782 ft² 180 in²), a horizontal tail span of 10.00 meters (32
ft 9 in), with a horizontal tail area of 23.25m² (250 ft² 38 in²) and a fuselage
external diameter of 3.01 m (9 ft 11 in).
The distance from the left to the right main gear is 5.20 meters (17 ft).
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9. Figure 3: The aircraft measurement Embraer 175
11.40 m
37 ft 5 in
31.68 m
10 ft 11in
10.00 m
32 ft 9 in
5.20 m
17 ft
26.00 m
85 ft 4 in
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10. The aircraft measurement
Located on the left side of the fuselage are two main doors, which qualifies
as type 1 emergency exits. Located on the right side of the fuselage are two
service doors, which qualify as type 1 exits, and two baggage compartment
doors.
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11. Figure 4: The aircraft measurement
Type 1 emergency exits
Main door
Main door
Type 1 exits
Service door
3.01 m (9 ft 11 in)
Baggage
Service door
compartment doors
5.20 m (17 ft)
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12. The aircraft stations
The aircraft stations are defined by a coordinate system using three main
reference axes. The point of origin for the longitudinal axis X, laterall axis Y
and vertical axis Z is in front of the aircraft.
The ordinates are identified by the letter for the major axes, followed by the
dimension in inches from the point of origin.
There are additional points of origin selected for locating major assemblies.
These points are identified with a suffix letter indicating the assembly. These
assemblies are the wings, the vertical stabilizer, the horizontal stabilizer, the
power plant and the engine pylons.
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13. Figure 5: Fuselage dimension
FWD Fuselage Center Fuselage 1 Center Fuselage 2 Center Fuselage 3 Rear Fuselage Tail Cone
X=0 X=610 X=6232.5 X=11035 X=16809 X=23295 X=27090 X=29900
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14. Figure 6: Wing station diagram
RIB 1 Y= -1380.00
DRY BAY
SLAT 1
ENGINE
RIB 10 YA= -4617.57 WING REF.
SLAT 2 POINT
YA = 00.00
SLAT 3
WING SPAR 1
SLAT 4
RIB 26 YA= -12196.00
WING SPAR 3
INBOARD FLAP Y = 00.00
OUTBOARD FLAP
WING SPAR 2 YA = 00.00
AILERON
WING TRAILING
EDGE
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15. Figure 7: Vertical stabilizer
ZV
7020,10
ZV
4269,00
ZV
1069,00
ZV
622,98
Z= 00,00
ZV= 00,00
A
XV= 00,00
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17. Figure 8: Horizontal stabilizer
Y = 00.00
YH -2546.40 TRACE
YH -5050.00 YH -3883.41 TRACE
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18. Figure 9: Power plant and engine pylons
X ENG 3877.60 X ENG 5589.90
CANT
XP
3256.97
XP XP XP XP
4722.0 6340.0 7201.0 8191.0
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19. The aircraft zoning system
The aircraft zoning system provides identification of areas in the aircraft ac-
cording to 8 major zones, major sub-zones and zones.
The major aircraft zones are:
• The lower fuselage, zone 100
• The upper fuselage, zone 200
• The tail cone and horizontal and vertical tail, zone 300
• The power plants and pylons, zone 400
• The left wing, zone 500
• The right wing, zone 600
• The landing gear and landing gear wheel well doors, zone 700
• The aircraft doors, zone 800
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20. Figure 10: The major aircraft zones
Right wing Tail cone and horizontal
zone 600 and vertical tail
Power - plants zone 300
and pylons
Upper fuselage zone 400
zone 200
Doors
zone 800
Left wing
zone 500
Lower fuselage Landing gears
zone 100 and gear wheel - well doors 700
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21. Sub zones
The major zones are divided into major sub-zones, which are shown by the
second digit of the major zone number.The major sub-zones are further di-
vided into zones using the third digit of the major zone number.
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22. Figure 11: Sub-zones
ZONE 116
ZONE 115
ZONE 114
Zone number
ZONE 113
ZONE 111
SUBZONE 170
SUBZONE 160
SUBZONE 150
SUBZONE 140
SUBZONE 130
SUBZONE 120
SUBZONE 110 Subzone number
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23. Access panels
To carry out maintenance on aircraft systems and their components, or to
perform inspection of the aircraft structure, adequate access panels and
doors are provided in the aircraft surface.
Each access panel has an identification number which consists of a three
digit zone number followed by two or three letters.The first letter shows the
number of the panel within the zone in a logical in a logical sequence and
the second letter indicates the location of the panel in relation to the air-
craft.An optional third letter is used to identify a floor, wall or ceiling panel.
Each panel has a fastener identification code, which identifies the type and
the quantity of the fasteners for each panel.
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24. Figure 12: Access panels identification letters
191 DL
191 EL
192 CL
192 BL
192 AL
195 HL
195 FL
195 JL
191 AL
195 KL
195 GL
191 BL 191 CL
195 EL
Shows the number of the Indicates the location of the
panel within the zone panel in relation to the aircraft 195 AL 195 DL
195 BL 195 CL
19 S
An optional third letter is used to identify a floor(F), wall(W) or ceiling(C) panel. 19 S
Each panel has a fastener identification code:
L = Latch
S = Screw
C = Camloc
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