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Standard

Flight Director Equipment
2020-12-22
CURRENT
AS8008A
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

Automatic Pilot Installations
2020-04-14
CURRENT
ARP419B
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

Compass System Installations
2020-04-14
CURRENT
ARP426B
These recommendations cover the mechanical and electrical installation and installation test procedures for Compass Systems of the type normally used in transport type aircraft. The recommendations in the ARP do not supersede any airworthiness requirements in Civil Air Regulations.
Standard

Numeral, Letter and Symbol Dimensions for Aircraft Instrument Displays
2020-04-01
CURRENT
AIR1093B
The purpose of this AIR is to provide recommendations for the minimum dimensions of characters and symbols used in aircraft instrument dials and panel displays as related to the conditions stated in para. 3. Numerous variables influence the legibility of aircraft instrument dial characters. This situation makes it very difficult, if not impossible, to establish an exact act of rules for optimizing all installations. Character size, one of the important considerations, can be optimized where adequate dial space exists. Usually this is not the case and the designer is faced with placing the information in a limited space while continuing to strive for error-free legibility. Appropriate minimum size requirements have been stated herein for guidance in air transport use.
Standard

Barometry for Altimeter Calibration
2020-02-20
CURRENT
AIR1075B
This SAE Aerospace Information Report (AIR) is concerned only with aspects directly relating to available accuracy. While well-designed photoelectric, inductive or capacitive readers and pressure regulators, and other accessories are highly desirable for convenience and production rate, they are considered to be outside the scope of this AIR.
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

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

Air Data Computers, MPS
2008-02-16
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

Remote Servoed Air Data Instruments for Subsonic Aircraft
2008-02-16
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.
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