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General| Manufacturer | Rolladen-Schneider |
|---|---|
| Model | LS 4-a |
| Wingspan | 15.00 m |
| Aspect Ratio | 21.4 |
| Stall Speed | 65 km/h |
| Minimum Sink Rate | 0.59 m/s |
| Type | Sailplane |
| Wing Area | 10.5 m² |
| Max Speed | 250 km/h |
Details the sailplane's construction, design, and technical data.
Visual representation of the sailplane's layout and components.
Overarching principles for operating the sailplane safely.
Specifies maximum and recommended airspeeds for various flight conditions.
Explains the color-coded arcs and markings on the airspeed indicator.
Defines maximum and minimum weight limits for safe flight.
Specifies the acceptable range for the aircraft's center of gravity.
Specifies maximum G-force limits for positive and negative loads.
Lists essential equipment required for flight operations.
Visual representations of key operational information and limits.
Step-by-step guide for recovering from a spin.
Instructions for emergency canopy jettisoning and egress.
Describes stall warnings, effects, and termination procedures.
Guidance on recognizing and recovering from a spiral dive.
Procedures and limits for managing high-speed flight and air brakes.
Pre-flight checks to ensure aircraft airworthiness.
Details on connecting control systems using LS-sleeves.
Steps to perform before the first flight of the day.
Procedures for extending and retracting the landing gear.
Procedures for filling, dumping, and using water ballast.
Steps and considerations for launching with a winch.
Steps and considerations for launching via aero tow.
General landing procedures and warnings.
Diagram showing airspeed indicator error correction.
Graph showing speed versus sinking speed related to wing loading.
Step-by-step guide for weighing the sailplane.
How to determine minimum/maximum cockpit load and empty weight.
Table showing CG limits based on empty weight and cockpit load.
Methods for determining the actual inflight center of gravity.
Details on the fuselage and wing structure.
Explanation of aileron, elevator, and rudder systems.
Information on the sprung and retractable landing gear.
Details on water ballast tanks, capacity, and valves.
Overview of cockpit controls and layout.
Requirements for annual, daily, and extraordinary inspections.
Instructions for assembling and disassembling the sailplane.
Guidelines for cleaning and maintaining the aircraft's exterior.
Illustration showing locations of pressure ports.
Template for recording cockpit loading and equipment changes.
Tables detailing maximum water ballast based on weight.
Specifications for essential aircraft equipment like airspeed indicators.
Changes and data related to the installation of neo-winglets.
Water ballast limits specific to neo-winglet equipped aircraft.
Impact of neo-winglets on the flight polar performance.
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