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Standard

TRUE MASS FUEL FLOW INSTRUMENTS

1962-02-01
HISTORICAL
AS431A
This Aerospace Standard covers three basic types of true mass flow indicating instruments. Each may consist of an indicator, transmitter and other auxiliary means such as a power supply or amplifier as required.
Standard

TRUE MASS FUEL FLOW INSTRUMENTS

2008-02-16
CURRENT
AS431B
This SAE Aerospace Standard (AS) covers three basic types of true mass flow indicating instruments. Each may consist of an indicator, transmitter and other auxiliary means such as a power supply or amplifier as required.
Standard

DIRECTIONAL INDICATING SYSTEM (TURBINE POWERED SUBSONIC AIRCRAFT)

1991-05-01
HISTORICAL
ARP416
This recommended practice covers the requirements for gyroscopically stabilized Directional Indicating Systems, which will operate as a 1°/hour latitude corrected, free directional gyro or as a slaved gyro, magnetic compass with 1/2° accuracy.
Standard

Directional Indicating System (Turbine Powered Subsonic Aircraft)

2008-02-16
HISTORICAL
ARP416A
This recommended practice covers the requirements for gyroscopically stabilized Directional Indicating Systems, which will operate as a 1°/hour latitude corrected, free directional gyro or as a slaved gyro, magnetic compass with 1/2° accuracy.
Standard

Exhaust Gas Temperature Instruments

2008-02-16
CURRENT
AS428
The exhaust gas temperature instruments covered by this standard are of the electrical servo null balance type, actuated by a varying emf output of one or more parallel connected Chromel-Alumel thermocouples.
Standard

Overspeed Warning Instrument (Turbine Powered Subsonic Aircraft)

2008-02-16
CURRENT
ARP435
This ARP covers an electro-mechanical pneumatic device which is calibrated to provide control contacts that can be made to operate a warning device whenever the indicated airspeed (IAS) reaches a maximum value as defined by the operating limit speed curve for the specific model aircraft.
Standard

Manifold Pressure Indicating Instruments

2008-02-16
CURRENT
AS411B
This Aerospace Standard covers two basic types of manifold pressure instruments as follows: Type I - Direct Indicating Type II - Remote Indicating
Standard

MANIFOLD PRESSURE INDICATING INSTRUMENTS

1993-05-01
HISTORICAL
AS411A
This Aerospace Standard covers two basic types of manifold pressure instruments as follows: Type I - Direct Indicating Type II - Remote Indicating
Standard

MINIMUM PERFORMANCE STANDARD FOR FUEL AND OIL QUANTITY INDICATING SYSTEM COMPONENTS

2008-02-16
CURRENT
AS8029
This AS defines components in "Capacitance Sensor" and "Non-Capacitance Sensor" type Fuel and Oil Quantity Indicating Systems. "Non-Capacitance" systems may employ any measurement technique current in the art including, but not restricted to, float, ultra-sonic and fiber optic devices. The definition of the individual components contained herein is related to the specified Total Installed System accuracy of the entire Fuel or Oil Quantity Indicating System which is a part of the airframe manufacturer's type certification approval data. This data shall be available from the subject airframe manufacturer as published in the operating manual for the aircraft type, model number and configuration. The Fuel or Oil Quantity Indicating System may incorporate optimum compensation based upon measurement of dielectric constant, temperature or density to correct for variations in fuel or oil characteristics due to temperature grade variations or additives.
Standard

TACHOMETER INSTRUMENTS (Indicator and Generator)

2008-02-16
CURRENT
AS432B
This SAE Aerospace Standard (AS) covers tachometer instruments (RPM indicator, 0-110 percent RPM and 0-120 percent RPM indicators and generator) for remote indication of engine speed.
Standard

TACHOMETER INSTRUMENTS (INDICATOR AND GENERATOR)

1963-08-01
HISTORICAL
AS432A
This Aerospace Standard covers tachometer instruments (RPM indicator, 0–110 percent RPM and 0–120 percent RPM indicators and generator) for remote indication of engine speed.
Standard

FUEL AND OIL QUANTITY INSTRUMENTS

1956-12-15
HISTORICAL
AS405A
This Aeronautical Standard covers two basic types of instruments as follows: Type I - Float Instruments Type II - Capacitance Instruments
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