AIRCRAFT MAINTENANCE MANUAL
DFE-AMM-AR1
Rev. 1 – 07/24/2014
10-3
10.2.4. Materials used
10.2.4.1.
Materials Specifications
Czech Standard
Z 424253.61
Al Cu Mg 1
Mechanical properties
(Minimum)
Yield Point
Rp 0.2
260 MPa
Tensile strength
Rm
400 MPa
Ductility [%]
15
(A10)
Chemical composition
Al
rest
[%]
Fe max
0.3
Mn
0.3 - 0.9
Cu
3.8 - 4.9
Zn max
0.3
Mg
1.2 - 1.8
Si max
0.3
Half-finished products
by Al plated Sheets
Al thickness max
10 mm
0.4 in
Equivalent
Standards
U.S.A.
Alclad 2024
Germany
DIN 1745
Russia
D16AT
10.2.4.2.
Materials Thickness
•
0.032 in (0.8 mm)
Skin on forward part of fuselage
•
0.040 in (1.0 mm)
Other small parts
•
0.050 in (1.2 mm)
Wing Spar
•
0.063 in (1.6 mm)
Center Section Spar
•
0.080 in (2.0 mm)
Control Sticks
•
0.125 in (3.2 mm)
Wing Spar
•
0.250 in (3.2 mm)
Wing Spar
•
0.320 in (8.0 mm)
Center Section Spar
10.2.5. Spare parts order
Use the form on Section 13, to order a replacement for a damaged or worn-out part. Do not
hesitate to contact the airplane distributor (phone or fax) to request a required part.
On the form, additional information is necessary for systematic monitoring and analysis of
our planes reliability.