Tecnam P92 Echo Super - Aircraft Alignment; Datum

P92 Echo Super
Maintenance
Manual
15
Revision Date:
10-29-2007
Revision Number: 3.01
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3.4.3 Aircraft alignment
Figure 3-2
Alignments
3.4.4 Datum
Datum Distances in mm Inches
A-B
4690
" 20
184 6”
B
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SPINNER
BACK
PLATE UPPER
POINT
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A
A
'
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LAST RIVET ON THE
LOWER
SIDE OF THE REAR WING
SPAR
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C
C
'
FIRST RIVET BETWEEN
THE
TUBULAR SPAR AND THE
OUTERMOST RIB
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UPPER/REAR RIVET ON ALUMINIUM
SKIN.
i.e. The rivet in common between the fin's rear
spar and the upper rib.
G
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C
C'
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F
F
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Main
Wheels
Axle
Line
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A‟-B
4690 " 20
184.6”
A-C
4140 " 20
163”
A‟-C‟
4140 " 20
163”
C-G
1800 " 20
70.87”
C‟-G
1800 " 20
70.87”
F-F‟
1880 " 20
74”