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Standard

MAINTENANCE OF PITOT-STATIC SYSTEMS OF TRANSPORT AIRCRAFT

1984-10-01
HISTORICAL
AIR975
In efforts to increase the accuracy and reliability of altimetry, speed measurement and other aspects of air data, a great deal of attention and money have been expended on new and refined pressure transducing and computing systems and on the standards by which they are calibrated. So much progress has been made in this that the limiting factor is, or may soon be, the sensing and transmitting in the aircraft of the pressures to be transduced. Until the appearance of References 1-13 and 18 there was little guidance available on the maintenance of pitot and static systems. This report presents what information is available, suggests limits, and lists the principal original papers on the subject.
Standard

MAINTENANCE OF PITOT-STATIC SYSTEMS OF TRANSPORT AIRCRAFT

1996-09-01
CURRENT
AIR975A
In efforts to increase the accuracy and reliability of altimetry, speed measurement and other aspects of air data, a great deal of attention and money have been expended on new and refined pressure transducing and computing systems and on the standards by which they are calibrated. So much progress has been made in this that the limiting factor is, or may soon be, the sensing and transmitting in the aircraft of the pressures to be transduced. Until the appearance of References 1-13 and 18 there was little guidance available on the maintenance of pitot and static systems. This report presents what information is available, suggests limits, and lists the principal original papers on the subject.
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.
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

Single-Degree-of-Freedom Spring-Restrained Rate Gyros

1969-12-31
CURRENT
AS1104
This specification covers that gyroscopic instrument normally defined as a "subminiature rate gyro." The rate gyro, when subjected to an angular rate about its input axis, provides an AC output voltage proportional to the angular rate. The subminiature size category generally includes gyro instruments of one (1) inch diameter or less and three and one-half (3 1/2) inches length or less. This specification defines the requirements for a subminiature spring-restrained, single-degree-of-freedom rate gyro for aircraft, missile, and spacecraft applications.
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

Altimeter, Pressure Actuated Sensitive Type

1947-08-01
HISTORICAL
AS392
This specification covers two (2) basic types of instruments as follows: Type I - Range 35,000 feet. Barometric Pressure. Scale range at least 28.1 - 30.99 inches of mercury (946-1049 millibars). May include markers working in conjunction with the Barometric Pressure Scale to indicate pressure altitude. Type II - Range 50,000 feet. Barometric Pressure. Scale range at least 28.1 - 30.99 inches of mercury (946-1049 millibars). May include markers working in conjunction with the Barometric Pressure Scale to indicate pressure altitude.
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

CLIMB INDICATOR, PRESSURE ACTUATED (VERTICAL SPEED INDICATOR)

1947-08-01
HISTORICAL
AS394
This specification covers three types as follows: Type I - Range 0 - 2000 feet per minute climb and descent. Type II - Range 0 - 4000 feet per minute climb and descent. Type III - Range 0 - 6000 feet per minute climb and descent.
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