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General| Category | Sailplane |
|---|---|
| Manufacturer | Glaser-Dirks |
| Model | DG-400 |
| Wingspan | 15 m |
| Maximum speed | 250 km/h (155 mph, 135 kts) |
| Stall speed | 65 km/h (40 mph, 35 kn) |
| Rate of sink | 0.60 m/s (118 ft/min) |
| Height | 1.45 m |
| Glide Ratio | 42 |
Provides a three-view diagram of the DG-400 aircraft, showing its dimensions and layout.
Details the DG-400's features, technical specifications, and components, including wingspan and fuselage details.
Explains the cockpit layout, controls, instruments, and their functions.
States the DG-400's airworthiness category and relevant requirements.
Outlines permitted flight operations, including aerobatic maneuvers.
Lists essential instruments and equipment required for safe operation.
Defines maximum permissible airspeeds under various flight conditions.
Specifies RPM and temperature limits for the engine's safe operation.
Details approved fuel grades and mixing instructions for the engine.
Lists the G-load limits for maneuvering and maximum speeds.
Provides empty and maximum weight specifications for the aircraft.
Defines the permissible center of gravity range for safe flight.
Guides on calculating weight and balance for safe aircraft loading.
Describes the tow release mechanism and available options.
Specifies the nominal strength for weak links used in towing operations.
Lists recommended tire pressures for the mainwheel and tailwheel.
States the maximum allowable crosswind component for takeoff and landing.
Specifies the required length of the towing cable for aerotow.
Defines the maximum air temperature for engine cooling demonstration.
Details the correct procedure for recovering from a spin.
Explains the steps for safely abandoning the aircraft by jettisoning the canopy.
Guides on safely exiting unexpected cloud conditions.
Provides instructions for landing the aircraft with the landing gear retracted.
Discusses flight characteristics and precautions related to rain and icing.
Instructions for landing if only one fuel tank is filled.
Outlines methods for starting the engine without the starter.
Explains manual control of the engine extension/retraction.
Provides procedures for power loss during takeoff and flight.
Details actions to take in case of engine or fuselage fires.
Describes procedures for handling electrical power failure during flight.
A checklist for pre-flight checks to ensure aircraft readiness.
Covers checks performed within the cockpit before flight.
Step-by-step guide for starting the engine and launching the aircraft.
Procedure for safely stopping and retracting the engine while in flight.
Instructions for restarting the engine while airborne.
Details procedures for aerotow and winch launches.
Covers stall characteristics and cross-country flight techniques.
Guidelines for flying in cloud conditions, including emergency procedures.
Explains approved aerobatic maneuvers and their execution.
Procedures for approaching and landing the aircraft.
Information on using water ballast for flight optimization.
Precautions for flying in cold or high-altitude conditions.
Discusses effects of rain on flight characteristics and precautions.
Instructions for maneuvering the aircraft on the ground.
Guidance on using auxiliary wing fuel tanks.
Outlines procedures for flying without the engine.
Detailed steps for assembling the aircraft wings and controls.
Instructions for attaching the optional 17m wingtips.
Procedure for removing wing tips.
Instructions for filling and managing water ballast tanks.
Guidance on refueling the aircraft's fuel tanks.
Recommendations for securing and parking the aircraft.
The reverse procedure of rigging for aircraft disassembly.
Guidelines for transporting the sailplane using a trailer.
Information on how flap settings affect gliding performance.
Data and charts related to the aircraft's powered flight performance.
Procedures and considerations for flying without the engine.
Refers to the maintenance manual for continued airworthiness.
Guidelines on modifying or repairing the aircraft.
Points to specific maintenance instructions for equipment.
Refers to maintenance for major inspections and service life.
Explains the procedure for calibrating the airspeed indicator.
Troubleshooting for engine extension/retraction issues.
Guidance on resolving issues during engine startup.
Troubleshooting steps if the starter motor fails.
Diagnosing why the engine doesn't reach required RPM.
Addresses fuel leaks from the carburetors.
Troubleshooting for engine acceleration issues.
Procedures for handling electrical power loss.
Diagnosing and resolving ignition system issues.
Addresses sudden power reduction at high throttle.
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