• SAE ARP 4925 : 2014

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    AEROSPACE DESIGN AND INSTALLATION OF COMMERCIAL TRANSPORT HELICOPTER HYDRAULIC SYSTEMS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  10-09-2014

    Publisher:  SAE International

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    Table of Contents - (Show below) - (Hide below)

    1. SCOPE
    2. REFERENCES
    3. OVERALL HYDRAULIC SYSTEM REQUIREMENTS
    4. GENERAL HYDRAULIC SYSTEM AIRWORTHINESS
       REQUIREMENTS
    5. SPECIFIC HYDRAULIC SYSTEMS AIRWORTHINESS
       REQUIREMENTS
    6. DESIGN PRACTICES AND GUIDELINES
    7. COMPONENTS
    8. INSTALLATION PRACTICES AND GUIDELINES
    9. NOTES

    Abstract - (Show below) - (Hide below)

    Sets up the factors which should be considered in the design and installation of a commercial transport rotorcraft hydraulic system, including the applicable airworthiness regulations that affect the hydraulic system.

    General Product Information - (Show below) - (Hide below)

    Committee A-6A1
    Document Type Revision
    Publisher SAE International
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    SAE ARP 584 :2012(S2017) COILED TUBING - CORROSION RESISTANT STEEL, HYDRAULIC APPLICATIONS, AEROSPACE
    SAE ARP 994 : 2016 DESIGN OF TUBING INSTALLATIONS FOR AEROSPACE HYDRAULIC SYSTEMS
    SAE AIR 5451 : 2017 A GUIDE TO LANDING GEAR SYSTEM INTEGRATION
    SAE ARP 4378 : 2017 ACCUMULATOR, HYDRAULIC, WELDED BELLOWS, FACTORY PRE-CHARGED
    SAE AS 5586 : 2005 GENERAL REQUIREMENTS FOR HYDRAULIC SYSTEM RESERVOIRS
    SAE ARP 5555 : 2016 RECOMMENDATIONS FOR INSTALLATION OF SEALS IN STANDARD GLANDS
    SAE AS 595 : 2015 AEROSPACE - CIVIL TYPE VARIABLE DELIVERY, PRESSURE COMPENSATED, HYDRAULIC PUMP
    SAE ARP 4146D : 2012 COILED TUBING - TITANIUM ALLOY, HYDRAULIC APPLICATIONS, AEROSPACE
    SAE ARP 5891 : 2014 ACHIEVING CLEANLINESS STANDARDS FOR AIRCRAFT HYDRAULIC SYSTEMS DURING MANUFACTURE
    SAE AIR 1922 : 2017 AEROSPACE - SYSTEM INTEGRATION FACTORS THAT AFFECT HYDRAULIC PUMP LIFE

    Standards Referencing This Book - (Show below) - (Hide below)

    SAE AS 5994 : 2013 PUMP UNITS, HYDRAULIC, ELECTRIC MOTOR DRIVEN, VARIABLE DELIVERY
    SAE AS 4396 : 2013 FITTING END, BULKHEAD, FLARED TUBE CONNECTION, DESIGN STANDARD
    SAE AIR 1569 : 1993 HANDLING AND INSTALLATION PRACTICE FOR AEROSPACE HOSE ASSEMBLIES
    SAE AS 620 : 2012 HOSE ASSEMBLIES, CONVOLUTED POLYTETRAFLUOROETHYLENE METALLIC REINFORCED, HIGH TEMPERATURE, MEDIUM PRESSURE, AIRCRAFT
    SAE ARP 1897 : 2013 CLAMP SELECTION AND INSTALLATION GUIDE
    SAE ARP 4835 : 2006 AEROSPACE FLUID POWER-HYDRAULIC THERMAL EXPANSION RELIEF VALVES
    SAE AIR 1922 : 2017 AEROSPACE - SYSTEM INTEGRATION FACTORS THAT AFFECT HYDRAULIC PUMP LIFE
    SAE ARP 4146D : 2012 COILED TUBING - TITANIUM ALLOY, HYDRAULIC APPLICATIONS, AEROSPACE
    SAE ARP 4553 : 2008 AEROSPACE - ACCUMULATOR, HYDRAULIC, SELF-DISPLACING
    MIL H 27267 : B HOSE TETRAFLUOROETHYLENE, HIGH TEMPERATURE, MEDIUM PRESSURE
    SAE ARP 4379 : 2016 AEROSPACE - ACCUMULATOR, HYDRAULIC, CYLINDRICAL, PISTON SEPARATED
    SAE ARP 1281 : 2002 ACTUATORS: AIRCRAFT FLIGHT CONTROLS, POWER OPERATED, HYDRAULIC, GENERAL SPECIFICATION FOR
    MIL J 5513 : C JOINT, HYDRAULIC SWIVEL
    SAE AS 1300 : 2014 PORT - RING LOCKED FLUID CONNECTION TYPE, STANDARD DIMENSIONS FOR
    SAE AIR 310 : 2013 FITTINGS, CATALOG OF FLARED. FLARELESS, PIPE THREADED, PORT, HOSE AND OTHER TYPE TUBE STANDARD CONNECTORS
    SAE AIR 887 : 2013 LIQUID FILTER RATINGS, PARAMETERS AND TESTS
    ISO 2685:1998 Aircraft — Environmental test procedure for airborne equipment — Resistance to fire in designated fire zones
    MIL H 25579 : E HOSE ASSEMBLY, TETRAFLUOROETHYLENE, HIGH TEMPERATURE MEDIUM PRESSURE, GENERAL REQUIREMENTS FOR
    MIL PRF 5606 : H HYDRAULIC FLUID, PETROLEUM BASE; AIRCRAFT, MISSILE, AND ORDNANCE
    SAE AS 5169 : 2009 FITTING, PORT PLUG AND BLEEDER
    SAE AS 4395 : 2013 FITTING END, FLARED, TUBE CONNECTION, DESIGN STANDARD
    SAE AMS 5561 : 2012 STEEL, CORROSION AND HEAT-RESISTANT, WELDED AND DRAWN OR SEAMLESS AND DRAWN TUBING, 9.0MN - 20CR - 6.5NI - 0.28N, HIGH-PRESSURE HYDRAULIC
    SAE AS 5586 : 2005 GENERAL REQUIREMENTS FOR HYDRAULIC SYSTEM RESERVOIRS
    SAE AMS 4081 : 2014 ALUMINUM ALLOY TUBING, HYDRAULIC, SEAMLESS, DRAWN, ROUND, 1.0MG - 0.60SI - 0.28CU - 0.20CR (6061-T4) SOLUTION HEAT TREATED AND NATURALLY AGED
    SAE AS 1055 : 2013 FIRE TESTING OF FLEXIBLE HOSE, TUBE ASSEMBLIES, COILS, FITTINGS AND SIMILAR SYSTEM COMPONENTS
    ISO 12:1987 Aerospace Pipelines Identification
    SAE AS 5440 : 2011 HYDRAULIC SYSTEMS, AIRCRAFT, DESIGN AND INSTALLATION REQUIREMENTS FOR
    MIL DTL 27272 : D FITTINGS, POLYTETRAFLUOROETHYLENE HOSE, HIGH-TEMPERATURE, MEDIUM-PRESSURE, GENERAL SPECIFICATION FOR
    SAE AMS T 7081 : 1999 TUBE, ALUMINUM ALLOY, SEAMLESS, ROUND, DRAWN, 6061, AIRCRAFT HYDRAULIC QUALITY
    SAE AS 1709 : 2014 COUPLING ASSEMBLY, HYDRAULIC SELF SEALING, QUICK DISCONNECT
    SAE AIR 797 : 2013 HOSE CHARACTERISTICS AND SELECTION CHART
    MIL DTL 83298 : C HOSE, CONDUCTIVE POLYTETRAFLUOROETHYLENE TUBE, HIGH TEMPERATURE, HIGH PRESSURE (3000 PSI), HYDRAULIC AND PNEUMATIC
    SAE AIR1379B : 1985 PRESTRESSING (AUTOFRETTAGING) OF HYDRAULIC TUBING LINES
    ISO 11217:1993 Aerospace Hydraulic system fluid contamination Location of sampling points and criteria for sampling
    MIL PRF 87257 : C HYDRAULIC FLUID, FIRE RESISTANT, LOW TEMPERATURE, SYNTHETIC HYDROCARBON BASE, AIRCRAFT AND MISSILE
    ISO 22089:2009 Aerospace Hydraulic power transfer units General specifications
    SAE AS 7997A : 1999(S2018) MOTORS, AIRCRAFT HYDRAULIC, CONSTANT DISPLACEMENT - GENERAL SPECIFICATION FOR
    SAE ARP 994 : 2016 DESIGN OF TUBING INSTALLATIONS FOR AEROSPACE HYDRAULIC SYSTEMS
    MIL PRF 5503 : G ACTUATORS: AERONAUTICAL LINEAR UTILITY, HYDRAULIC, GENERAL SPECIFICATION FOR
    SAE AS 19692 : 2016 AEROSPACE - MILITARY TYPE VARIABLE DELIVERY, PRESSURE COMPENSATED HYDRAULIC PUMP
    SAE ARP 4378 : 2017 ACCUMULATOR, HYDRAULIC, WELDED BELLOWS, FACTORY PRE-CHARGED
    SAE AS 18280 : 2010 FITTINGS, 24 DEGREES CONE FLARELESS, FLUID CONNECTION, 3000 PSI
    SAE AS 1896 : 2013 COUPLING ASSEMBLY, SELF-SEALING, ONE SIDE ONLY, HYDRAULIC
    MIL DTL 9395 : K SWITCHES, PRESSURE, (ABSOLUTE, GAGE, AND DIFFERENTIAL), GENERAL SPECIFICATION FOR
    SAE AIR 4150 : 1993 INSPECTION OF INSERVICE AIRBORNE ACCUMULATORS FOR CORROSION AND DAMAGE
    MIL DTL 19068 : B VALVES, SHUTTLE, HYDRAULIC, AIRCRAFT, TYPE 2 SYSTEMS
    SAE AIR 1388 : 1992 SERVICE DAMAGE LIMITS FOR AIRCRAFT HYDRAULIC TUBING
    SAE AIR 4057 : 2012 SECONDARY FILTERS FOR FLUID SYSTEM RELIABILITY
    SAE AS 1241 : 2016 FIRE RESISTANT PHOSPHATE ESTER HYDRAULIC FLUID FOR AIRCRAFT
    MIL PRF 83282 : D HYDRAULIC FLUID, FIRE RESISTANT, SYNTHETIC HYDROCARBON BASE, METRIC, NATO CODE NUMBER H-537
    SAE AS 3121 : 2014 PLUG, EXPANSION, ALUMINUM, 2024-T4 AND 2024-T351, LONG; STD AND .010 OVERSIZE DIAMETERS (UNS A92024)
    MIL F 8815 : D FILTER AND FILTER ELEMENTS, FLUID PRESSURE, HYDRAULIC LINE, 15 MICRON ABSOLUTE AND 5 MICRON ABSOLUTE, TYPE 11 SYSTEMS; GENERAL SPECIFICATION FOR
    SAE AS 1339 : 2012 HOSE ASSEMBLY, POLYTETRAFLUOROETHYLENE, METALLIC REINFORCED, 3000 PSI, 400 DEGREES F, LIGHTWEIGHT, HYDRAULIC AND PNEUMATIC
    SAE AS 1290 : 2011 GRAPHIC SYMBOLS FOR AIRCRAFT HYDRAULIC AND PNEUMATIC SYSTEMS
    SAE ARP 584D : 2012 COILED TUBING - CORROSION RESISTANT STEEL, HYDRAULIC APPLICATIONS, AEROSPACE
    SAE AMS 4083 : 2012 ALUMINUM ALLOY TUBING, HYDRAULIC, SEAMLESS, DRAWN, ROUND, 1.0MG - 0.60SI - 0.28CU - 0.20CR (6061-T6), SOLUTION AND PRECIPITATION HEAT TREATED
    SAE AS 4941 : 2015 AEROSPACE - GENERAL REQUIREMENTS FOR COMMERCIAL AIRCRAFT HYDRAULIC COMPONENTS
    SAE AS 595 : 2015 AEROSPACE - CIVIL TYPE VARIABLE DELIVERY, PRESSURE COMPENSATED, HYDRAULIC PUMP
    SAE AMS 4944 : 2015 TITANIUM ALLOY TUBING, SEAMLESS, HYDRAULIC 3.0AL - 2.5V COLD WORKED, STRESS RELIEVED
    MIL DTL 5498 : G ACCUMULATORS, HYDRAULIC, CYLINDRICAL 3000 PSI, AIRCRAFT
    SAE AS 1227 : 2013 HOSE ASSEMBLY, CONVOLUTED POLYTETRAFLUOROETHYLENE, METALLIC REINFORCED, LOW PRESSURE, UP TO 400 DEGREES F, AIRCRAFT
    SAE ARP 490 : 2008 ELECTROHYDRAULIC SERVOVALVES
    MIL DTL 25427 : B COUPLING ASSEMBLY, HYDRAULIC, SELF SEALING, QUICK DISCONNECT, GENERAL SPECIFICATION FOR
    SAE AS 5202 : 2005 PORT OR FITTING END, INTERNAL STRAIGHT THREAD, DESIGN STANDARD
    SAE AIR 737 : 2012 AEROSPACE HYDRAULIC AND PNEUMATIC SPECIFICATIONS, STANDARDS, RECOMMENDED PRACTICES, AND INFORMATION REPORTS
    SAE ARP 1280 : 2014 AEROSPACE - APPLICATION GUIDE FOR HYDRAULIC POWER TRANSFER UNITS
    SAE AS 33566 : 2013 FITTINGS, INSTALLATION OF FLARELESS TUBE, STRAIGHT-THREADED CONNECTORS
    SAE AS 3131 : 2014 PLUG, EXPANSION - CRES, 303, SHORT; STD AND .010 OVERSIZE DIAMETERS, UNS S30300
    MIL DTL 83296 : B FITTINGS, CORROSION RESISTANT STEEL, HIGH TEMPERATURE, HIGH PRESSURE (3000 PSI), HYDRAULIC AND PNEUMATIC, GENERAL SPECIFICATION FOR
    SAE AS 33611 : 2015 TUBE BEND RADII
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