AIRCRAFT MAINTENANCE MANUAL
DFE-AMM-AR1
Rev. 1 – 07/24/2014
3-1
Section 3 – STRUCTURES
3.1.
GENERAL
This Section identifies the line maintenance, minor repair, and minor alteration tasks that can be
accomplished in the aircraft primary structures by the Aircraft owner (only for ELSA), a Sport Pilot or higher
or a holder of an LSA repairman certificate with either an inspection or maintenance rating.
No heavy maintenance, major repairs, or major alterations, as outlined in ASTM F2483 Sections 7
through 9, are authorized at this time, for this ALTO aircraft structures.
Any heavy maintenance, major repairs, or major alterations, as outlined in ASTM F2483 Sections 7
through 9, can only be performed by Direct Fly S.R.O. or only as provided by Direct Fly‘s’ approved
engineering data.
3.2.
FUSELAGE
3.2.1. Description
The fuselage is a combination of semi monologue structure consisting of reinforcements and
duralumin skin. Fuselage section is rectangular in the lower part and ecliptic in the upper part. The fin is an
integral part of fuselage. The two place cockpit is located in the middle part of the fuselage that is accessible
after forward opening sliding canopy. The engine compartment in the front part of the fuselage is separated
from the cockpit by the stainless steel firewall to which the engine bed is attached.
Fig 3-1: Fuselage
Cockpit
The cockpit has a side-by-side, dual control arrangement. The instrument panel is located in front of
the crew. The flap control lever is located on the vertical quadrant between seats. Elevator trim is electric,
with the control button located on the central console between the seats.
A baggage compartment is situated behind the seats with maximum load of 33 lb
(15 kg)
The cockpit floor is covered with a removable carpet and the seats are also covered with cloth or
leather upholstery. The interior cockpit sides are covered with upholstered panels containing pockets.