CHAPTER 53
PAGE 3
PAGE DATE: 1. March 2011
MAINTENANCE MANUAL EXTRA 330LX
53-00-00 GENERAL
The fuselage structure of the EXTRA 330LX consists of a
TIG-welded steel tube construction integrating the wing and
empennage connections (refer to Figure 1).
The particular areas of the fuselage are covered with differ-
ent materials (also refer to chapter 51-00-01 "Access Panel
Identification").
Both halves of the engine cowling consist of carbon fibre
laminate and honeycomb (refer to Figure 11 and 12). Op-
tionally the cowlings consist of GFRP. In this case they are
coated with fire protection paint ("WIEDOFLUGAT" N 56582
/T508 with clear coat 4232- 0303 or "HENSOTHERM
410KS" with clear coat Glasurit 923-335; refer Chapter 51-
30-01).
The main fuselage cover consists of glass fibre, carbon fibre
and aramid laminate (refer to figure 6). The bottom fuselage
cover is made of carbon fibre and aramid fibre laminate
(refer to figure 8), the cuffs of carbon fibre laminate (refer
to figure 9). The lower rear part of the fuselage is covered
with fabric. The window portion is of acrylic glass. The tail
fairing consists of carbon fibre laminate (refer to Figure 10)
and the tail side skins are made of aluminium sheet metal.
The layer sequences of the composite parts are shown in the
related sub-chapters.
For protection against moisture and UV radiation all com-
posite parts are coated with an unsaturated polyester gel-
coat, filler and finally with paint.
For repair of composite parts and steel components refer to
Chapter 51. The repair of fabric has to be executed in
accordance to the FAA AC 43.13-1A.
PAGE DATE: 13. September 2013
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