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Standard

Total Temperature Measuring Instruments (Turbine Powered Subsonic Aircraft)

1966-05-15
HISTORICAL
AS793
This standard covers three basic types of total-temperature-measuring instruments used as a means of determining the total temperature developed by adiabatic heating of the air due to motion of the aircraft through the air. This standard establishes essential minimum safe performance requirements for total temperature measuring instruments, primarily for use with turbine-powered subsonic transport aircraft, the operation of which may subject the instruments to the environmental conditions specified in this report.
Standard

Total Temperature Measuring Instruments (Turbine powered Subsonic Aircraft)

2001-07-01
CURRENT
AS793A
This standard covers three basic types of total-temperature-measuring instruments used as a means of determining the total temperature developed by adiabatic heating of the air due to motion of the aircraft through the air. Type I - Flush-type total-temperature sensor Type II - Probe-type total-temperature sensor (electrically heated) Type III - probe-type total-temperature sensor (unheated)
Standard

Minimum Performance Standard Temperature Instruments

1977-01-01
HISTORICAL
AS8005
This SAE Aerospace Standard (AS) applies to all temperature instruments used in aircraft applications and environments. The word ""instruments"" as used in the Standard encompasses only the display device and does not include the temperature sensors. Examples of the types of instruments covered are as follows: 1.1 temperature instruments using a resistance temperature detector for temperature sensing; 1.2 temperature instruments using a thermocouple for temperature sensing; 1.3 temperature instruments using an averaging thermocouple harness for temperature sensing; 1.4 temperature instruments receiving an input from a signal conditioning unit; 1.5 temperature instruments receiving an input from another temperature instrument; and 1.6 temperature instruments receiving an input from other temperature sensing devices.
Standard

MINIMUM PERFORMANCE STANDARD FOR BANK & PITCH INSTRUMENTS

1975-09-01
CURRENT
AS8001
This Standard covers Bank and Pitch Instruments which measure and display the angular displacement of bank and pitch from a gyroscopic vertical reference. This reference may be pneumatically or electrically driven and be contained within the instrument display case or located remotely. Unless otherwise specified, whenever the term "Instrument" is used, it is to be understood to be the complete system of gyro component, any auxiliary equipment and display.
Standard

FLIGHT DIRECTOR EQUIPMENT

1984-09-01
CURRENT
AS8008
This Aerospace Standard covers Flight Director Equipments which display to the pilot a computed command for the operation of an aircraft in accordance with selected Mode(s). The term “Equipment” may include controls, displays, computers, etc. and may include sensors if furnished as a part of the Flight Director.
Standard

Pressure Altimeter Systems

1979-05-01
HISTORICAL
AS8009
This SAE Aerospace Standard (AS) specifies minimum performance requirements for primary pressure altimeter systems other than air data computers. This document covers altimeter systems that measure and display altitude as a function of atmospheric pressure. The pressure transducer may be contained within the instrument display case or located remotely. Requirements for air data computers are specified in AS8002. Some requirements for nontransducing servoed altitude indicators are included in AS791. The instrument system specified herein does not include aircraft pressure lines. Unless otherwise specified, whenever the term "instrument" is used, it is to be understood to be the complete system of pressure transducer components, any auxiliary equipment, and display components. The test procedures specified herein apply specifically to analog type instruments. Digital instruments or automatic test instrumentation may require other test procedures.
Standard

Pressure Altimeter Systems

1991-06-17
HISTORICAL
AS8009A
This Aerospace Standard (AS) specifies minimum performance requirements for primary pressure altimeter systems other than air data computers. This AS covers altimeter systems that measure and display altitude as a function of atmospheric pressure. The pressure transducer may be contained within the instrument display case or located remotely. Requirements for air data computers are specified in AS8002. Some requirements for nontransducing servoed altitude indicators are included in AS791. The instrument system specified herein does not include aircraft pressure lines. Unless otherwise specified, whenever the term "instrument" is used, it is to be understood to be the complete system of pressure transducer compponents, any auxiliary equipment, and display components. The test procedures specified herein apply specifically to analog type instruments. Digital instruments or automatic test instrumentation may require other test procedures.
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

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

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

Manifold Pressure Indicating Instruments

1993-05-01
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

1963-04-15
HISTORICAL
AS411A
This Aerospace Standard covers two basic types of manifold pressure instruments as follows: Type I - Direct Indicating Type II - Remote Indicating
Standard

CARBON MONOXIDE DETECTOR INSTRUMENTS

1956-12-15
HISTORICAL
AS412A
This Aeronautical Standard covers the basic type of carbon monoxide detector instrument used to determine toxic concentrations of carbon monoxide by the measurement of heat changes through catalytic oxidation.
Standard

CARBON MONOXIDE DETECTORS, (SIGNAL ASSEMBLY)

1948-11-01
HISTORICAL
AS412
This specification covers the basic type of instrument for detection of toxic concentrations of carbon monoxide whose operation is based on measurement of heat changes through catalytic oxidation.
Standard

Accelerometer Group, Counting (MS25447 and MS25448)

1999-07-01
HISTORICAL
AS22145
This specification covers the design and performance requirements for a single axis, four load-factor level counting accelerometer group referred to hereafter as “equipment.”
Standard

Accelerometer Group, Counting (MS25447 and MS25448)

2012-08-22
CURRENT
AS22145A
This specification covers the design and performance requirements for a single axis, four load-factor level counting accelerometer group referred to hereafter as “equipment.”
Standard

Compass; Magnetic, Pilot's Standby

2012-08-22
CURRENT
AS5604A
This specification covers the design requirements and all performance requirements for procurement of 1 7/8 inch dial pilot’s standby compasses as specified herein.
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