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Standard

AIR DATA COMPUTER

1965-02-01
HISTORICAL
AS417
This Aerospace Standard covers an air data computer characterized by the concept of transducing and computing the majority of air data requirements for an aircraft. The display instruments and other using subsystems are not considered in this scope except where they perform computing operations for output parameters as covered by this specification. The computer may accept the inputs and provide the outputs listed in paragraphs 2.1 and 2.2 respectively. The computer may also provide an altitude encoder output for IFF Mark X ¯ ¯ (SIF)/Air Traffic Control Radar Beacon System SIF/ATCRBS; in which case AS 855* "Altitude Device Providing Outputs for Automatic Pressure Altitude Reporting" shall be referred to for applicable minimum standards. (Note - Reference to air data computer in subsequent paragraphs will be designated as "instrument".)
Standard

AIRSPEED INDICATOR (PITOT STATIC)

1949-02-01
HISTORICAL
AS391A
This specification covers six types of instruments as follows: TYPE I - 30 - 250 miles per hour range TYPE II - 40 - 300 miles per hour range TYPE III - 50 - 400 miles per hour range TYPE IV - 50 - 450 miles per hour range TYPE V - 50 - 700 miles per hour range TYPE VI - 50 - 425 knots range
Standard

AIRSPEED INDICATOR (PITOT STATIC)

1954-12-01
HISTORICAL
AS391B
This Aeronautical Standard covers five basic types of airspeed instruments with indication range essentially as follows: TYPE I - 1 revolution TYPE II - 1 revolution (unequal scale) TYPE III - 1-1/2 to 1-3/4 revolutions TYPE IV - 7 revolutions TYPE V - 1-3/4 to 2 revolutions
Standard

AIRSPEED TUBES ELECTRICALLY HEATED

1960-07-15
HISTORICAL
AS393A
This aeronautical standard covers two basic types of instruments as follows: Type I - Pitot Pressure, straight and L-shaped, 12 and 14 volt nominal, 2 wire circuit. Type II - Pitot and Static Pressured, straight and L-shaped, 12 and 24 volt nominal, 2 wire circuit.
Standard

AIRSTREAM DEVIATION INSTRUMENT (ADI)

1968-12-15
HISTORICAL
ARP794
This recommended practice covers an instrument which measures and displays angle of deviation of the airstream dependent on mounting location on the aircraft.
Standard

ALTITUDE ALERTING DEVICES AND SYSTEMS

1971-11-01
HISTORICAL
ARP1061
This ARP provides performance criteria for Altitude Alerting Devices and Systems. These devices can be self-contained or receive remote altitude information and can have integral or remote barometric corrections. Only the generation of the alerting signals is covered by this recommended practice and not the details of the visual or audio alerts operated by these signals. It is recommended that the system's operational correspondence between the selected altitude settings of the Altitude Alerting Device and the Altitude Level Indication normally used to control the aircraft should not exceed ±250 ft RSS throughout the operating range of the device.
Standard

AUTOMATIC PILOT INSTALLATIONS

1957-11-15
HISTORICAL
ARP419
These recommendations cover the mechanical and electrical installation and installation test procedures for automatic pilots of the type normally used in transport type aircraft. The material in this ARP does not supercede any airworthiness requirement in the Civil Air Regulations.
Standard

AUTOMATIC PILOTS

1959-02-01
HISTORICAL
AS402A
This Aeronautical Standard covers Automatic Pilots intended for use on aircraft to automatically operate the aerodynamic controls to maintain flight and/or to provide maneuvering about the three axes through servo control.
Standard

AUTOMATIC PILOTS (Turbine Powered Subsonic Aircraft)

1963-02-01
HISTORICAL
AS440
This Aerospace Standard covers Automatic Pilots intended for use on aircraft to automatically operate the primary and trim aerodynamic controls to maintain stable flight and/or to provide maneuvering about any of the three axes through servo control. Automatic control functions essential for primary or augmented flight control are excluded.
Standard

AUTOMATIC PILOTS (Turbine Powered Subsonic Aircraft)

1996-09-01
CURRENT
AS440A
This SAE Aerospace Standard (AS) covers automatic pilots intended for use on aircraft to automatically operate the primary and trim aerodynamic controls to maintain stable flight and/or to provide maneuvering about any of the three axes through servo control. Automatic control functions essential for primary or augmented flight control are excluded.
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

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

Air Data Computers, MPS

1970-09-01
CURRENT
AS417A
This Standard covers air data equipment (hereinafter designated the instrument) which when connected to sources of aircraft electrical power, static pressure, total pressure and outside air temperature (singly or in combination) provides some or all of the following computed air data output signals: Pressure Altitude* Total Temperature* Pressure Altitude (Reporting) Altitude Rate Baro-Corrected Pressure Altitude* Overspeed Warning Vertical Speed* Altitude Hold Computed Airspeed* Airspeed Hold Mach Number* Mach Hold Maximum Allowable Airspeed* qc (impact pressure) Static Air Temperature (*when used as an alternate for total temperature) True Airspeed Others
Standard

Aircraft Instrument and Instrument System Standards: Wording Terminology, Phraseology, Environment and Design Standards For

1966-08-01
HISTORICAL
AIR818A
This Aerospace Information Report, (AIR) is intended to provide the sponsors of Aerospace Standards, (AS), with standard wording, formatting, and minimum environment and design requirements for use in the preparation of their document. The individual shall use only those parts of this AIR which apply to their particular document. The individual sponsor may expand the standard wording, especially under Sections 4, 5, and 6 as required. The paragraphs of this AIR shall be used verbatim wherever possible. Unless otherwise directed by SAE, cross referenced documents shall be called out by specific revision letter, e.g. "shall be in accordance with AS XXXXB." In addition, all non-SAE documents called out shall include the document title when initially identified. However, every effort shall be made to keep cross-referencing to an absolute minimum.
Standard

Aircraft Instrument and Instrument System Standards: Wording, Terminology, Phraseology, and Environmental and Design Standards for

1963-03-01
HISTORICAL
AIR818
This Aerospace Information Report, (AIR) is intended to provide the sponsors of Aerospace Standards, (AS), with standard wording, formatting, and minimum environment and design requirements for use in the preparation of their document. The individual shall use only those parts of this AIR which apply to their particular document. The individual sponsor may expand the standard wording, especially under Sections 4, 5, and 6 as required. The paragraphs of this AIR shall be used verbatim wherever possible. Unless otherwise directed by SAE, cross referenced documents shall be called out by specific revision letter, e.g. 'shall be in accordance with AS XXXXB.' In addition, all non-SAE documents called out shall include the document title when initially identified. However, every effort shall be made to keep cross-referencing to an absolute minimum.
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