MD Helicopters MD 500E Technical Description
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MD Helicopters MD 500E Technical Description

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MD Helicopters, Inc.
Marketing and Sales
4555 E. McDowell Rd.
Mesa, AZ 85215
480-346-6130
www.mdhelicopters.com
sales@mdhelicopters.com
MISSION PROVEN, CHALLENGE READY
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  • Page 1 MD Helicopters, Inc. Marketing and Sales 4555 E. McDowell Rd. Mesa, AZ 85215 480-346-6130 www.mdhelicopters.com sales@mdhelicopters.com MISSION PROVEN, CHALLENGE READY...
  • Page 2 THIS PAGE INTENTIONALLY LEFT BLANK...
  • Page 3 This Technical Description includes information and intellectual property that is the property of MD Helicopters, Inc. (MDHI). It provides general information for evaluation of the design, equipment, and performance of the MD 500E helicopter. The information presented in this Technical Description does not constitute an offer and is subject to change without notice.
  • Page 4 MD 500E Technical Description REPORT NO.: MD14022809-500ETD NO. OF PAGES: Use or disclosure of data in this Technical Description is subject to the restriction on the cover page of this document. ATTACHMENTS: None Revision By Approved Date Pages and/or Paragraphs Affected...

  • Page 5: Table Of Contents

    IMENSIONS 4.2  I ....................7  NTERNAL IMENSIONS 4.3  W ........................9  EIGHT 4.4  C ...................... 9  ONFIGURATIONS MD 500E SINGLE-ENGINE HELICOPTER ............11     5.1  S ..................... 11  YSTEM ESCRIPTION 5.2  S .................... 13  TANDARD QUIPMENT 5.3  MD 500E O ................
  • Page 6 MD 500E Technical Description 6.2  MD 500E – R 250-C20R/2 T ..... 28  OLLS OYCE ODEL URBOSHAFT NGINE 6.3  E ..................29  NVIRONMENTAL MPACT 6.4  S ........................30  AFETY     6.4.1 Crashworthiness ...................... 30 6.5  H ................... 32  UMAN...

  • Page 7: Foreword

    MD 500E is the best performing helicopter in its class. The MD 500E has a relatively small diameter main rotor system and a short tail with a high horizontal stabilizer with two tip plates to provide vertical, longitudinal, and lateral stability in forward flight.
  • Page 8 MD 500E Technical Description THIS PAGE INTENTIONALLY LEFT BLANK Report No. MD14022801-500ETD 28 February 2014 USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE MDHI PROPRIETARY...

  • Page 9: Key Advantages And Features

    2. KEY ADVANTAGES AND FEATURES The MDHI MD 500E is a single turbine engine, rotary-wing aircraft. It has a cruising speed of 135 knots (249 kph / 155 mph), with a useful internal load at maximum gross weight is 1,483 pounds (673 kg).
  • Page 10 MD 500E Technical Description The MD 500E Advantages / Features  Modular system design o Empennage  Designed for reparability o Tail boom skid  Built-in Maintenance aids:  Low direct operating costs  Maximum use of line replaceable units:...

  • Page 11: Certification

    The MDHI MD 500E is a commercial Federal Aviation Administration (FAA) type-certified aircraft under Code of Federal Regulations Title 14, Part 27, Type Certified as the 369E. The MD 500E was initially certified on July 1983. The MD 500E (369E) is also a European Aerospace Safety Administration (EASA) Type Certified helicopter.
  • Page 12 MD 500E Technical Description THIS PAGE INTENTIONALLY LEFT BLANK Report No. MD14022801-500ETD 28 February 2014 USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE MDHI PROPRIETARY...

  • Page 13: Dimensions, Weight, And Mission Configuration

    MD 500E Technical Description 4. DIMENSIONS, WEIGHT, AND MISSION CONFIGURATION 4.1 External Dimensions The MD 500E external dimensions are provided in the following table and shown in the figure below. MD 500E External Dimensions Dimension, Parameter ft (m) Fuselage Width 4.57 (1.40)
  • Page 14 MD 500E Technical Description MD 500E External Dimensions Report No. MD14022801-500ETD 28 February 2014 USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE MDHI PROPRIETARY...

  • Page 15: Weight

    MD 500E Internal Dimension Locations 4.3 Weight Using the Rolls-Royce Model 250-C20B turboshaft engine, the MD 500E nominal empty weight is 1,481 pounds (672 kg). Using the Rolls-Royce Model 250-C20R/2 turboshaft engine, the MD 500E nominal empty weight is 1,517 pounds (686 kg).
  • Page 16 MD 500E Technical Description THIS PAGE INTENTIONALLY LEFT BLANK Report No. MD14022801-500ETD 28 February 2014 USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE MDHI PROPRIETARY...

  • Page 17: Md 500E Single-Engine Helicopter

    5. MD 500E SINGLE-ENGINE HELICOPTER The MD 500E is a single turbine engine, rotary-wing aircraft originally certified as the Model 369E and built for the U.S. Army. The MD 500E is certified for single pilot operation under visual flight rules / visual meteorological conditions.
  • Page 18 MD 500E Technical Description MD 500E Helicopter Major Components Report No. MD14022801-500ETD 28 February 2014 USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE MDHI PROPRIETARY...

  • Page 19: Standard Equipment

    MD 500E Technical Description 5.2 Standard Equipment The MD 500E is configured with standard equipment that is included in the basic aircraft procurement. MD 500E Standard Equipment Airframe  Extended landing gear  Carbide skid shoes  Rapid door removal hinges (cockpit ...

  • Page 20: Md 500E Optional Equipment

     Ground handling wheels manuals and illustrated parts catalogs  Engine exhaust cover 5.3 MD 500E Optional Equipment Optional equipment for the MD 500E is available for additional cost, and is literally non- exhaustive. MD 500E Optional Equipment Airframe  Heated pitot tube ...

  • Page 21: Fuselage

     Turn and bank indicator, 3-inch 5.4 Fuselage The MD 500E fuselage is a semi-monocoque construction, manufactured primarily of aluminum alloy. It consists of a rigid, three-dimensional truss type structure, with an integral roll-bar design, for increased occupant safety. The airframe structure is designed to be energy absorbing and fails progressively in the event of impact.

  • Page 22: Mdhi Proprietary

     Lower section - divided by the center beam and provides the housing for the two fuel cells. Provisions for the attachment of a cargo hook are located on the bottom of the fuselage in line with the center beam. MD 500E Main Fuselage Assembly Sections Report No. MD14022801-500ETD 28 February 2014...

  • Page 23: Exterior

    Technical Description 5.5 Exterior The MD 500E exterior can be painted a single color of the customer choice from available colors. Two, three, or more colors can be painted on the exterior for an additional cost. The exterior provides mounting location for external antennas of customer-purchased avionics / communication equipment, external lighting, main rotor static mast, landing gear, and tail boom.

  • Page 24: Interior

    MD 500E Technical Description 5.7 Interior The MD 500E interior consists of the cockpit area, cabin compartment area, and engine compartment. The MD 500E is provided with the utility interior. 5.7.1 Cockpit The cockpit has accommodations for the pilot and / or copilot. The minimum crew is one pilot in the command position.

  • Page 25: Systems

    5.8 Systems 5.8.1 Fuel System The MD 500E fuel system consists of two interconnected bladder cells with a total capacity of 64 gallons (242.30 liters) located in bays below the passenger / cargo compartment floor of the lower section. Each bladder cell is internally supported by the airframe and contains electrically- powered fuel quantity transmitters that monitor fuel level and provide fuel quantity to the pilot.

  • Page 26: Drive System

    The MD 500E utilizes a five-blade, fully articulated main rotor assembly. Rotor blades, pitch housings, and links are secured to the hub by laminated steel strap sets. These sets are used in lieu of typical thrust bearing stacks to contain blade centrifugal loading and allow feathering.

  • Page 27: Mdhi Proprietary

     The strap sets are configured to allow feathering and flapping of the blades. Main rotor blades are retained to the main rotor hub using captive cam-handle-type blade retention bolts. MD 500E In-Situ Drive System Report No. MD14022801-500ETD 28 February 2014...

  • Page 28: Inlet Barrier Filter System

    MD 500E Main Transmission Drive System 5.8.5 Inlet Barrier Filter System Structural fairings are integrated into the existing MD 500E cowling (see figure below) to allow dual-entry engine airflow distribution through the two filters in hover or forward flight. The inlet barrier filter system, shown on the following page, provides up to 99-percent dust, sand, and dirt separation protection.

  • Page 29: Electrical System

    Inlet Barrier Filter System Consists of Two Air Filters 5.8.7 Electrical System The MD 500E electrical system is a direct current (dc) system with electrical power supplied by a 24-volt nickel-cadmium battery and a 28-volt, 85-amp engine-driven generator. The electrical system incorporates a generic electrical wire harness that is shielded to minimize electro- magnetic interference (EMI).

  • Page 30: Monitoring Instrumentation

    5.8.11 Avionics / Communications The MD 500E is provided with a standard avionics suite. Optional purchaser configured avionics, communications, instrumentation, etc., may be added at additional expense. To accommodate additional avionics / communication equipment, an optional slant console panel installation is available.

  • Page 31: Mdhi Proprietary

    MD 500E Technical Description 5.8.11.1 Next-Generation Electronic Flight Instrument System The MD 500-series helicopters will incorporate a modernized instrumentation / avionics cockpit consisting of a Garmin G500 suite that includes a multi-function and primary flight displays (MFD, PFD) and an engine indicating and crew alerting system (EICAS). The EICAS will replace the caution and warning annunciators.
  • Page 32 MD 500E Technical Description THIS PAGE INTENTIONALLY LEFT BLANK Report No. MD14022801-500ETD 28 February 2014 USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE MDHI PROPRIETARY...

  • Page 33: Performance Specifications

    1,481 pounds (672 kg), and a maximum gross takeoff weight of 3,000 pounds. Ratings are for the MD 500E with a Rolls-Royce 250-C20B Model turboshaft engine rated at 420 shp (313 kW), derated to takeoff power – 375 shp (280 kW), maximum continuous power – 350 shp (261 kW).

  • Page 34: Md 500E - Rolls-Royce Model 250-C20R/2 Turboshaft Engine

    1,517 pounds (686 kg), and maximum gross takeoff weight is 3,000 pounds. Ratings are for the MD 500E with a Rolls-Royce Model 250-C20R/2 turboshaft engine rated at 450 shp (336 kW), derated to takeoff power – 375 shp (280 kW), maximum continuous power – 350 shp (261 kW).

  • Page 35: Environmental Impact

    Technical Description 6.3 Environmental Impact The MD 500E noise signature is below the FAA and International Civil Aviation Organization (ICAO) noise requirements. The following table provides the decibel values at three MD 500E flight profiles. The figure below provides a noise level comparison (effective perceived noise level [EPNL], in decibels [dB]) for three helicopter models and the ICAO limit.

  • Page 36: Safety

    The full-page figure below provides a comparison of 500-foot overflight effective, perceived noise levels (EPNLs) of competitor twin-engine aircraft using European Aviation Safety Agency (EASA) data. This figure shows the MD 500E with four-blade tail rotor, MD 520N, and MD 600N helicopters provide the lowest EPNLs of light single-engine helicopters.
  • Page 37 MD 500E Technical Description The MD 500E Helicopter has Low 500-Foot Overflight Effective Perceived Noise Levels of Comparable Light Single-Engine Helicopters Report No. MD14022801-500ETD 28 February 2014 USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE...

  • Page 38: Human Systems Interface

    6.5 Human Systems Interface The MD 500E incorporates anthropometric design features that are compatible with 25th to 95th percentile male or female crewmembers. Sizing parameters for the 25th and 95th percentile male and female are provided in the table below. The canopy design meets human engineering design requirements for windows, canopies, and windshields, as shown in the figures following the table.
  • Page 39 MD 500E Technical Description The MD 500E Provides a 160-Degree Vertical Unobstructed View for the Pilot and Copilot The MD 500E Provides a 220-Degree Horizontal Unobstructed View for the Pilot and Copilot (View is Top-Down) Report No. MD14022801-500ETD 28 February 2014...
  • Page 40 MD 500E Technical Description THIS PAGE INTENTIONALLY LEFT BLANK Report No. MD14022801-500ETD 28 February 2014 USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE MDHI PROPRIETARY...

  • Page 41: Maintenance And Servicing

    The MD 500E design provides for the maximum maintenance support at the lowest maintenance level. The MD 500E can be maintained using a combination of line and shop maintenance support. Components such as engine, avionics, interior components, air-conditioning, etc., are considered LRUs.
  • Page 42 MD 500E Technical Description MD 500E Life-Limited Parts, Overhaul, and Inspection Intervals Overhaul Inspection Component Life Limit, hr Interval, hr Interval, hr MAIN ROTOR Blade 3,530 Blade Pin 7,600 Hub Assembly 8,900 Upper Thrust Bearing Cup 2 yr / 2,770...
  • Page 43 MD 500E Technical Description MD 500E Life-Limited Parts, Overhaul, and Inspection Intervals Overhaul Inspection Component Life Limit, hr Interval, hr Interval, hr Horizontal Stabilizer Assembly 7,700 CONTROLS Longitudinal Idler Bellcrank Assembly 6,500 Cyclic Stick Trim Switch 1,000 AIRFRAME Battery Over-Temperature Sensor...

  • Page 44: Servicing

     Spring loaded doors that provide engine and main rotor head access (refer to figure below)  Quick access panels  Integrated engine water wash system The MD 500E has Built-in Steps to Provide Access to the Main Rotor Head without External Ground Support Equipment Report No. MD14022801-500ETD 28 February 2014...
  • Page 45 Servicing intervals are detailed in the MD 500E Handbook of Maintenance Instructions. Capacities and compounds used to service the MD 500E are listed in the table on the following page. MD 500E Servicing Location Points Report No.

  • Page 46: Hourly Cost

    MD 500E Technical Description MD 500E Fluid Capacities and Specifications Component Compound Capacity Specification Notes 3.0 quarts MIL-PRF-7808G /   Engine Lubricant (2.84 liters) MIL-PRF-23699C Overrunning 3.64 ounces Lubricant Mobil AGL Clutch (107 cc) Main Rotor 14.0 pints Lubricant...
  • Page 47 MD 500E Technical Description MD 500E Estimated Direct Cost Per Hour Using Model 250-C20B Turboshaft Engine is Based on Current-Year (2014) U.S. Dollars Cost, U.S. Activity Total Dollars ($) Rolls-Royce Model 250-C20B Fuel and Lubricants Fuel at $3.93 per gallon at approximately 27 gallons per hour $106.11...
  • Page 48 MD 500E Technical Description MD 500E Estimated Direct Cost Per Hour Using Model 250-C20R/2 Turboshaft Engine is Based on Current-Year (2014) U.S. Dollars Cost, U.S. Activity Total Dollars ($) Rolls-Royce Model 250-C20R/2 Fuel and Lubricants Fuel at $3.93 per gallon at approximately 27 gallons per hour $113.97...

  • Page 49: Product Support

    Additional, optional, recurrent pilot training is available for existing MD 500E pilots. Recurrent pilot training provides a pilot review of MD 500E helicopter systems and operations, and uses flight review, proficiency checks, or other checks to review rules, maneuvers, and procedures to demonstrate existing pilot skills.

  • Page 50: Maintenance Training

    Maintainer training for one maintainer is provided as part of the helicopter purchase. 8.2 Warranty The MD 500E commercial helicopters are covered by a commercial warranty which is administered by MDHI Mesa, Arizona. Supplier products (e.g., turboshaft engine, avionics, etc.) are separately warranted through the product supplier.

  • Page 51: Service Centers

    MD 500E Technical Description 8.3 Service Centers MD Helicopters, Inc. has approved service centers located worldwide. The figure below shows MDHI worldwide approved service centers locations. Detailed service center information is available on the MD Helicopters.com website. 8.4 Field Service Dedicated Field Service Representatives are available to support fielded MDHI products.
  • Page 52 MD 500E Technical Description MD Helicopters, Inc. Worldwide Service Center Locations Report No. MD14022801-500ETD 28 February 2014 USE OR DISCLOSURE OF DATA IN THIS TECHNICAL DESCRIPTION IS SUBJECT TO THE RESTRICTION ON THE COVER PAGE MDHI PROPRIETARY...

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