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Standard

Indicator, Pressure, 1 1/2-Inch, Integrally Lighted

2012-08-22
CURRENT
AS23479A
This specification covers design requirements and all performance requirements for the procurement of single and dual hermetically sealed, integrally lighted, remote indicating, pressure indicators.
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

Flight Directors (Turbine-Powered Subsonic Aircraft)

2012-08-22
CURRENT
AS406A
This standard covers flight directors for use on aircraft to indicate to the pilot, by visual means, the correct control application for the operation of an aircraft in accordance with a preselected flight plan.
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.
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.
Standard

Fuel and Oil Quantity Instruments

2012-08-22
CURRENT
AS405D
This Aeronautical Standard covers two basic types of instruments as follows: Type I - Float Instruments Type II - Capacitance Instruments
Standard

Airspeed Tubes Electrically Heated

2002-08-14
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

Directional Indicating System (Turbine Powered Subsonic Aircraft)

2001-10-01
CURRENT
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

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.
Standard

Airstream Deviation Instrument (ADI)

2001-07-01
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

Pressure Ratio Instruments

2001-07-01
CURRENT
ARP427A
This Aeronautical Recommended Practice covers two types of two unit Pressure Ratio Instruments each of which consist of a Transducer and an Indicator. The Transducer computes the ratio of two pressures and converts this ratio to a synchro electrical signal which is transmitted to the Indicator.
Standard

Automatic Pilots

2001-07-01
HISTORICAL
AS402B
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

Fuel Flowmeters

2001-07-01
HISTORICAL
AS407C
This Aeronautical Standard covers two basic types of instruments, or combinations thereof, intended for use in indicating fuel consumption of aircraft engines as follows: TYPE I - Measure rate of flow of fuel used. TYPE II - Totalize amount of fuel consumed or remaining.
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

Fuel and Oil Quantity Instruments

2001-07-01
HISTORICAL
AS405C
This Aeronautical Standard covers two basic types of instruments as follows: Type I - Float Instruments Type II - Capacitance Instruments
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