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MD Helicopters MD 520N - User Manual

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THIS IS A COMPLETE REPRINT OF
CSP–520N–1
AND IS CURRENT THROUGH REISSUE #1,
INCLUDING REVISIONS 1 AND 2
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Summary

Rotorcraft Flight Manual

Title Page

Contains the title, model, and revision status of the flight manual.

Summary of Revisions

Details changes made to the flight manual through revisions and reissues.

List of Effective Pages

Lists all pages currently effective within the manual for easy reference.

Section I - General

Introduction

Provides an overview of the manual's purpose and objective.

Scope

Defines the manual's coverage and compliance with FAA requirements.

Rotorcraft Certification

Details the rotorcraft's certification by the Federal Aviation Administration.

Multi-Purpose Utility Operations

Discusses the use of optional equipment and STC items affecting operations.

Pilot’s Briefing

Outlines essential pre-flight information passengers should receive.

Organization

Explains the structure and content of the flight manual sections.

Method of Presentation

Describes how information is presented, including narrative and step-by-step formats.

Definition of Terms

Clarifies the meaning of specific procedural terms and urgency levels.

Abbreviations

Lists and defines common abbreviations used throughout the manual.

Technical Publications

Lists available technical publications for rotorcraft utilization and updates.

Design and Construction

Describes the helicopter's airframe, powerplant, drive, and anti-torque systems.

Electrical System

Details the helicopter's electrical system configuration and features.

Auto Reignition System

Explains the function and operation of the automatic reignition system for engine flameout.

Capacities and Dimensions

Provides fuel, oil capacities, and external dimensions of the helicopter.

Conversion Charts and Tables

Offers conversion charts for speed, temperature, and measurements.

Section II - Limitations

Flight Restrictions

Specifies approved flight crew positions, aerobatics, and door configurations.

Environmental Operating Conditions

Details approved operating altitudes, temperatures, and cold weather operations.

Airspeed Limitations

Defines VNE limits for various flight conditions and configurations.

Weight Limitations

Specifies maximum gross weight, minimum flying weight, and cargo capacity.

Rotor Brake Limitations (If Installed)

Outlines the operational requirements for the rotor brake.

Rotor RPM (Speed) Limitations

Defines normal operating ranges for rotor RPM under various power conditions.

Powerplant Limitations Allison 250-C20 R;2

Details engine torque, temperature, and speed limits.

Electrical System Limitations

Specifies limits for generator and battery operation.

Starter Limitations

Outlines the limitations for engine starting attempts.

Fuel System Limitations

Covers fuel specifications, cold weather mixtures, and filter/purging requirements.

Instrumentation

Explains the meaning of instrument indications and color-coded ranges.

VNE Placards

Provides charts for determining maximum indicated airspeed based on conditions.

Placards and Decals

Lists critical placards and decals found on the aircraft.

Section III - Emergency and Malfunction Procedures

General

States the purpose of emergency and malfunction procedures.

Warning and Caution Indicators

Identifies warning and caution indicators and their meanings.

Engine Failure

Details procedures for complete and partial power loss.

Air Restart - Engine

Provides instructions for attempting an engine restart in flight.

Low Rotor Speed

Outlines procedures for responding to low rotor RPM warnings.

Emergency Landing Procedures

Covers procedures for water landings and other emergency landings.

Fire

Details procedures for cabin fires, engine fires, and aircraft evacuation.

Engine Fuel Control System Malfunctions

Addresses failures in the fuel control or power turbine governor.

Other Engine Caution Indications

Covers caution indications like chip detector, oil pressure, and torque.

Main Rotor and Aft Transmission Malfunctions

Addresses malfunctions in the main rotor and aft transmission systems.

Flight Control Malfunctions

Covers failures in anti-torque, YSAS, and cyclic trim systems.

Abnormal Vibrations

Provides guidance for responding to unusual vibrations during flight.

Fuel System Malfunctions

Covers fuel filter and fuel low indications.

Electrical System Malfunctions

Addresses battery overtemperature and generator malfunctions.

Other Malfunctions

Covers engine air particle separator filter clogging.

Emergency Egress

Describes pilot compartment and cabin door emergency exits.

Emergency Equipment

Locates the first aid kit and fire extinguisher.

Section IV - Normal Procedures

Preflight Requirements

Outlines preflight checks, including daily and subsequent flight inspections.

Engine Pre-Start Cockpit Check

Details cockpit checks before starting the engine.

Engine Start

Provides step-by-step instructions for starting the engine.

Engine Run Up

Describes procedures for running the engine up for checks.

Before Takeoff

Lists checks and procedures to perform before takeoff.

Takeoff

Details the procedure for taking off the helicopter.

Cruise

Provides guidance for cruise flight operations.

Low Speed Maneuvering

Covers procedures for low-speed flight and maneuvering.

Practice Autorotation

Explains how to conduct practice autorotation landings.

Doors Off Flight

Outlines procedures and restrictions for doors-off flight.

Landing Approach

Details the procedure for a normal landing approach.

Running Landing

Describes the procedure for a running landing.

Engine;Aircraft Shutdown

Provides steps for safely shutting down the engine and aircraft.

Post Flight

Lists checks to perform after completing a flight.

Deceleration Check

Explains the procedure for performing a deceleration check.

YSAS Check

Details the procedure for checking the Yaw Stability Augmentation System.

Normal Engine Restart

Provides instructions for restarting the engine under normal conditions.

Noise Impact Reduction Procedures

Offers procedures to minimize noise impact during flight operations.

Section V - Performance Data

General

Introduces the section on helicopter performance data.

Noise Characteristics

Presents ICAO noise certification levels for various configurations.

Airspeed Calibration Curve

Provides a chart to determine calibrated airspeed from indicated airspeed.

Density Altitude Chart

Offers a chart to estimate density altitude and true airspeed.

Speed For Best Rate of Climb

Shows indicated airspeed for optimal climb rate at given density altitudes.

Height Velocity Diagram;Gross Weight Limits For Height Velocity Diagram

Illustrates airspeed/altitude combinations to avoid during engine failure.

Hover Ceiling VS Gross Weight

Provides charts for determining hover ceiling based on weight and conditions.

Power Check Chart - Allison 250-C20 R;2

Relates engine torque, temperature, and altitude for performance trending.

Section VI - Weight and Balance Data

Weight and Balance Characteristics

Lists maximum gross weight, minimum flying weight, and CG limits.

Weight and Balance Criteria

Instructs on using the Weight and Balance Record for computations.

Equipment Removal or Installation

Details procedures for recording equipment changes affecting weight and balance.

Weight and Balance Determination - Passenger Configuration

Guides the process of determining CG for passenger loads.

Longitudinal Loading of Cargo

Provides instructions for loading cargo and determining its CG.

Permissible Lateral Loadings

Emphasizes the importance of exercising lateral CG control.

Lateral Loading of Cargo

Outlines the process for determining lateral CG for cargo loads.

Internal Loading of Cargo

Details instructions for securing internal cargo with restraining loops.

Section VII - Handling, Servicing and Maintenance

Helicopter Components

Identifies major helicopter components in a figure.

Use of External Power

Explains how to connect and use external power sources.

Hoisting, Jacking, and Lifting

Provides safety precautions for lifting and jacking the helicopter.

Ground Handling Wheels

Describes the use and maintenance of ground handling wheels.

Moving and Towing Helicopter

Details procedures for manually moving and towing the helicopter.

Parking and Mooring

Outlines procedures for parking and mooring the helicopter securely.

Servicing - General

Lists servicing materials, capacities, and locations of servicing points.

Fuel System - Servicing

Covers refueling, fuel draining, and cold weather fuel considerations.

Engine Oil System - Servicing

Provides instructions for checking and replenishing engine oil.

Main Rotor and Aft Transmission - Servicing

Details procedures for checking and servicing transmission oil levels.

Cleaning General

Offers general cleaning guidelines for the helicopter.

Cleaning Fuselage Interior Trim and Upholstery

Provides instructions for cleaning the helicopter's interior.

Cleaning Aircraft Exterior and Rotor Blades

Describes methods for cleaning the exterior and rotor blades.

Cleaning - Canopy and Door Transparent Plastic

Offers specific instructions for cleaning plastic surfaces.

Fluid Leak Analysis

Defines permissible fluid leakage rates for transmissions and dampers.

Preservation and Storage

Outlines requirements for preserving the helicopter during storage.

Flyable Storage - No Time Limit

Describes procedures for maintaining flyable storage conditions.

Cockpit Door Removal and Installation

Details the process for removing and installing cockpit doors.

Special Operational Checks and Procedures

Covers procedures for engine compressor cleaning.

Section VIII - Additional Operations and Performance Data

ICAO Noise Characteristics

Presents ICAO noise certification levels for various configurations.

Section IX - Optional Equipment

General Information

Provides general information on optional equipment for the helicopter.

Listing-Optional Equipment

Lists available optional equipment items and their publication numbers.

Compatibility - Combined Optional Equipment

Shows compatibility between different optional equipment kits.

Optional Equipment Performance Data

Notes that performance charts for optional equipment are in Section V.

Operating Instructions: Cargo Hook Kit

Details operating instructions, limitations, and procedures for the cargo hook.

Operating Instructions: Anti-Ice Airframe Fuel Filter

Explains the operation, limitations, and procedures for the anti-ice fuel filter.

Operating Instructions - Emergency Floats

Covers operating instructions, limitations, and procedures for emergency floats.

MD Helicopters MD 520N Specifications

General IconGeneral
BrandMD Helicopters
ModelMD 520N
CategoryToy
LanguageEnglish

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