The Hotellier (system for Standard Cirrus) refers to a ball-and-socket control linkage joint system used in the flight control and airbrake actuation mechanisms of the Standard Cirrus sailplane.

In glider maintenance terminology, “Hotellier” is commonly used to describe quick-connect spherical control joints (ball joints with locking sleeves) that allow fast assembly/disassembly of control rods while maintaining precise, slop-free movement.

These joints are typically installed in:

airbrake control system linkages
elevator or aileron pushrod connections (depending on variant)
fuselage-to-wing control coupling points during rigging
Key features:

Spherical ball joint control connector (Hotellier type)
Used in Standard Cirrus flight control & airbrake systems
Enables quick rigging/unrigging of glider controls
Self-aligning geometry reduces binding in control motion
Locking sleeve prevents accidental disconnection
High-precision steel construction (low play tolerance)
Designed for cyclic loads in sailplane operation
Common in German sailplane control system designs of the era
Safety-critical linkage component (must be correctly locked before flight)
Regular inspection item in glider maintenance schedules