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P92 Echo Super
Maintenance Manual
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4.6 Fuselage
The front part of the fuselage is made up of a mixed structure: a truss structure with special steel members for cabin
survival cell (fig. 4-10), and a light-alloy semi-monocoque structure for the cabin's bottom section.
The aft part of the fuselage (fig. 4-11) is constructed of an aluminum alloy semi-monocoque structure. Attachment to cabin
truss is at the forward fittings of four stringers that run the aft fuselage length (1). Two flanges are located at the aft end of
the tail section to support the horizontal tail assembly (2) and the vertical tail forward and aft spars.
Forward truss structure drawing (fig. 4-10) shows location of attachment points for half-wing (1), aft section (2), brace-strut
(3), main landing gear (4), engine mount (5), flap torque tube (6), stabilator bellcrank (7), throttle support (8) and pulley
support for cable driven aileron control (9). Seat supports and safety harness attachment points are also shown.
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Figure 4-10 Cabin truss
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Engine mount is constructed of steel tubing and is secured to cabin truss via a four-point attachment. Bolts travel through
bushings welded on mount, pass through the firewall and exit through other bushings welded to cabin truss. Nose gear
support assembly is attached to engine mount.
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Revision Date: 10-29-2007
Revision Number: 3.01