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Standard

Temperature Instruments (Reciprocating Engine Powered Aircraft)

1969-12-01
CURRENT
AS413B
This Aerospace Standard covers two basic types of temperature instruments as follows: TYPE I: Ratiometer type, actuated by changes in electrical resistance of a temperature sensing electrical resistance element; the resistance changes being obtained by temperature changes of the temperature sensing resistance element. TYPE II: Millivoltmeter type, operated and actuated by varying E.M.F. output of a thermocouple; the varying E.M.F. input to the instrument being obtained by temperature changes of the temperature sensing thermocouple.
Standard

TURN AND BANK INDICATOR

1947-07-01
CURRENT
AS395
This specification covers three basic types of instruments as follows: TYPE I - Air Driven TYPE II - D-C Operated TYPE III - A-C Operated
Standard

TEMPERATURE INDICATOR

1954-12-01
HISTORICAL
AS413A
This Aeronautical Standard covers two basic types of temperature indicators as follows: TYPE I - Ratiometer type actuated by changes of electrical resistance of a temperature sensing electrical resistance element; the resistance changes being obtained by temperature changes of the temperature sensing resistance element. TYPE II - Millivoltmeter type, operated and actuated by varying e.m.f. output of a thermocouple, the varying e.m.f. input to the instrument being obtained by temperature changes of the temperature sensing thermocouple.
Standard

TEMPERATURE INDICATOR

1948-11-01
HISTORICAL
AS413
This specification covers two types of instruments. These instruments are for the purpose of measuring temperature, such as those of oil coolant, carburetor air, free air and cylinder head.
Standard

Single-Degree-of-Freedom Spring-Restrained Rate Gyros

1969-12-31
CURRENT
AS1104
This specification covers that gyroscopic instrument normally defined as a "subminiature rate gyro." The rate gyro, when subjected to an angular rate about its input axis, provides an AC output voltage proportional to the angular rate. The subminiature size category generally includes gyro instruments of one (1) inch diameter or less and three and one-half (3 1/2) inches length or less. This specification defines the requirements for a subminiature spring-restrained, single-degree-of-freedom rate gyro for aircraft, missile, and spacecraft applications.
Standard

SYNCHROS

1959-11-15
HISTORICAL
ARP461A
This document is limited to units meeting the definitions of para. 1.3 and covers the following general class of synchros:
Standard

SYNCHROS

1963-08-15
CURRENT
ARP461B
This document is limited to units meeting the definitions of para. 1.3 and covers the following general class of synchros:
Standard

Remote Servoed Air Data Instruments for Subsonic Aircraft

1996-12-01
CURRENT
AS791
This standard provides minimum performance criteria for air data instruments intended to provide cockpit indication of: a Indicated airspeed (Vi) b Computer airspeed (Vc) c True airspeed (Vt) d Equivalent airspeed (Ve) e Mach number (M) f Altitude (H) g Vertical speed (Hpr) h Maximum operating limit speed (Vmo) i True angle of attack (αt) j Free air temperature (Tfat) k Total temperature (Tt) These functions shall be derived from a central air data computer (AS 417) and through system wiring applied to the respective indicator.
Standard

Rate of Climb (Vertical Speed) Indicator, Pressure Actuated (Turbine Powered Subsonic Aircraft)

1963-08-01
CURRENT
AS429
This Aerospace Standard covers four basic types of direct reading pressure actuated rate of climb (vertical speed) indicators as follows: Type I - Range 0-2000 feet per minute climb and descent Type II - Range 0-3000 feet per minute climb and descent Type III - Range 0-4000 feet per minute climb and descent Type IV - Range 0-6000 feet per minute climb and descent
Standard

PRESSURE INSTRUMENTS - FUEL, OIL, AND HYDRAULIC

1954-12-15
HISTORICAL
AS408A
This aeronautical standard covers two basic types of pressure instruments. These are intended for use in measuring fuel, oil or hydraulic pressures as follows: This aeronautical standard does not apply to engine mounted torque meter systems.
Standard

MINIMUM PERFORMANCE STANDARD TEMPERATURE INSTRUMENTS

1996-09-01
CURRENT
AS8005A
This SAE Aerospace Standard (AS) applies to all temperature instruments used in aircraft applications and environments. The word “instrument” as used in this Standard encompasses only the display device and does not include the temperature sensors. Examples of the types of instruments covered are as follows:
Standard

MINIMUM PERFORMANCE STANDARD FOR FUEL AND OIL QUANTITY INDICATING SYSTEM COMPONENTS

1983-06-01
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

MAINTENANCE OF PITOT-STATIC SYSTEMS OF TRANSPORT AIRCRAFT

1996-09-01
CURRENT
AIR975A
In efforts to increase the accuracy and reliability of altimetry, speed measurement and other aspects of air data, a great deal of attention and money have been expended on new and refined pressure transducing and computing systems and on the standards by which they are calibrated. So much progress has been made in this that the limiting factor is, or may soon be, the sensing and transmitting in the aircraft of the pressures to be transduced. Until the appearance of References 1-13 and 18 there was little guidance available on the maintenance of pitot and static systems. This report presents what information is available, suggests limits, and lists the principal original papers on the subject.
Standard

MAINTENANCE OF PITOT-STATIC SYSTEMS OF TRANSPORT AIRCRAFT

1984-10-01
HISTORICAL
AIR975
In efforts to increase the accuracy and reliability of altimetry, speed measurement and other aspects of air data, a great deal of attention and money have been expended on new and refined pressure transducing and computing systems and on the standards by which they are calibrated. So much progress has been made in this that the limiting factor is, or may soon be, the sensing and transmitting in the aircraft of the pressures to be transduced. Until the appearance of References 1-13 and 18 there was little guidance available on the maintenance of pitot and static systems. This report presents what information is available, suggests limits, and lists the principal original papers on the subject.
Standard

Liquid Oxygen Quantity Instruments

2001-09-01
CURRENT
ARP433A
This Aeronautical Recommended Practice covers Liquid Oxygen Quantity Indicators for use with associated Liquid Oxygen converters.
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