Tecnam P2002 JF - Alignment Check

Page 1 2
nd
Edition – Rev 0
51-40
ALIGNMENT CHECK - GENERAL
51-40 ALIGNMENT CHECK
The alignment check scope is to verify aircraft symmetry measuring distance between the
reference points. It is recommended to effect measurements on both aircraft side , to compare
them and ensure they are within tolerance limits.
Reference points are:
A & A’ – On the upper side of the wing. It is the rivet in common between the
nailing line of main span and the one of the tip in composite materials. (It is the
external line).
B – On the top of engine reducer. To verify, it is necessary to remove the upper sie
of engine nacelle.
C & C’ – On stabilator back, it is the rivet in common between the nailing line of the
tip and the nailing line of tubular spar skin.
C & C’ – On stabilator back, it is the rivet in common between the nailing line of
external rib and the rear spar.
D & D’ – On the rudder, it is the rivet in the upper/rear corner of skin panel. It is in
common between the nailing line of the upper rib of the rudder and the one related to
the rear spar.
ALIGNMENT CHECK
QUOTE
NOMINAL VALUE
(mm)
ACTUAL VALUE
(mm)
DIFFERENCE (mm)
A-B
4360±20
A’-B
436020
A-C
473520
A’-C’
473520
C-D
173520
C’-D’
173520