Maintenance Manual LS4
Issued: May 2011
Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited
Manual valid with the up-to-date cover page only
1.6 Air brake controls
1.6.1 Air brake controls LS4 and LS4-a
Activation via pushrods, with L’Hotellier connectors in fuselage and LS-
securing sleeves wingside.
Upper surface double storey airbrakes with spring loaded caps.
1.6.2 Air brake controls LS4-b
Activated via pushrods. Automatic connection of system during rigging
(Hänle system). Air brake locking in wings.
Upper surface double storey air brakes with spring loaded caps.
Friction damper in airbrake box to prevent oscillations during extension.
Note: The sketches for the control systems in the wings are to be found in
section 1.7.3 and 1.7.4.
LS4 und LS4-a LS4-b