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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 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 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)

1991-05-01
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

1991-05-01
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 PILOTS

1991-05-01
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

1947-08-01
HISTORICAL
AS402
This specification covers all gyroscopic and servo control types of automatic pilots intended for use on aircraft to operate automatically the control surfaces of the aircraft to maintain a stabilized flight attitude with respect to the longitudinal, lateral and vertical axes, and to provide for maneuvering the airplane through servo control.
Standard

AUTOMATIC PILOTS (Turbine Powered Subsonic Aircraft)

1996-09-01
HISTORICAL
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

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

Airspeed Tubes Electrically Heated

2008-02-16
CURRENT
AS393B
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)

2008-02-16
CURRENT
ARP794A
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

2020-04-14
CURRENT
ARP1061B
This SAE Aerospace Recommended Practice (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 Pilots

2012-08-22
CURRENT
AS402C
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.
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