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A-4 Aircraft Instruments Committee Engine components

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Standard

PRESSURE INSTRUMENTS - FUEL, OIL, AND HYDRAULIC
1954-12-15
HISTORICAL
AS408A
This aeronautical standard covers two basic types of pressure instruments. These are intended for use in measuring fuel, oil or hydraulic pressures as follows: This aeronautical standard does not apply to engine mounted torque meter systems.
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

Minimum Performance Standard General Aviation Flight Recorder
2008-02-16
CURRENT
AS8039A
This standard covers three (3) basic types of flight recorders as defined below: All requirements specified in Sections 3, 4, 5, 6 and 7 of this standard shall be applicable to all recorder types unless otherwise noted.
Standard

MINIMUM PERFORMANCE STANDARD GENERAL AVIATION FLIGHT RECORDER
1991-05-01
HISTORICAL
AS8039
This standard covers three (3) basic types of flight recorders as defined below: All requirements specified in sections 3, 4, 5, 6 & 7 of this standard shall be applicable to all recorder types unless otherwise noted.
Standard

FUEL AND OIL QUANTITY INSTRUMENTS
1956-12-15
HISTORICAL
AS405A
This Aeronautical Standard covers two basic types of instruments as follows: Type I - Float Instruments Type II - Capacitance Instruments
Standard

Directional Indicating System (Turbine Powered Subsonic Aircraft)
2020-04-14
CURRENT
ARP416B
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

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

Automatic Pilots (Turbine Powered Subsonic Aircraft)
2020-12-22
CURRENT
AS440B
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.
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