SECTION 7
DESCRIPTION
SOCATA
MODEL TB 20
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© 1988, 1991, 1992, 1994 to 1996, 1997, 2000 -
socata
- All rights reserved
June 30, 1988
Revision 8
7.5
GENERAL
This section provides description and operation of the SOCATA Model TB 20
airplane and its systems. Some of the equipment described herein is optional
and may not be installed in the airplane. Details of other optional systems and
equipment are presented in Section 9 ”Supplements” of this Manual.
AIRFRAME
The TB 20 is an all–metal, five–place, cantilever low wing, single–engine
airplane equipped with retractable tricycle landing gear and is designed to be
used in normal category .
The fuselage consists of an all–metal aluminium alloy structure of
semimonocoque design. It includes 10 frames. The main frames are as
follows :
– Frame No. 0 on which firewall, engine mount and nose gear mount are
fixed.
– Frame No. 1 on which wing front attachments are fixed.
– Frame No. 2 double frame which allows crossing and attachment of the
wing spar.
– Frame No. 3 on which wing rear attachments are fixed.
– Frame No. 7 on which vertical stabilizer front attachment is fixed.
– Frame No. 8 on which vertical stabilizer rear attachment is fixed.
– Frame No. 9 on which horizontal stabilator hinge fittings are fixed.
The cabin section, from frame No. 0 to frame No. 6, is reinforced by horizontal
spars made of extruded aluminium sections.
The streamlined fairing is ensured by a composite material upper duct which
includes the two access ”gull–wing” doors.
Access to the baggage compartment (behind the bench seat) is provided
through a door located on the L.H. side of the fuselage.
WINGS
The wings contain integral fuel tanks. They consist of stamped metal ribs
riveted to the wing skin and to monobloc spar.
