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Noise, Vibration, and Harshness (NVH) AC-9 Aircraft Environmental Systems Committee Engine mechanical components

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Standard

Environmental Control Systems (ECS) for UA (Unmanned Aircraft)
2022-06-24
WIP
AIR7063
This document provides guidance for establishing ECS for UA by primarily referencing existing AC-9 documents that apply with some indication how they need to be adapted. The document primarily addresses cooling requirements for UA equipment. Limited information is provided for ECS requirements for future UA that may carry passengers. The document does not intend to provide detail design guidance for all types of UA. This document only provides guidance related to environmental control of onboard equipment, cargo and possible animals and passengers. It does not pertain to the related ground stations that may be controlling the UA.
Standard

AIRPLANE CABIN PRESSURIZATION
1948-11-01
HISTORICAL
ARP367
These recommendations cover the general field of airplane cabin supercharging equipment and are subdivided as follows:
Standard

GUIDE FOR QUALIFICATION TESTING OF AIRCRAFT AIR VALVES
1968-11-01
HISTORICAL
ARP986
This document defines the tests to be performed on electrically, pneumatically, and mechanically actuated (regulating, modulating, and shutoff) air valves. The valves may be further defined as those which function in response to externally applied forces or in response to variations in upstream and/or downstream duct air conditions to maintain a calibrated duct air condition (i. e., air flow, air pressure, air temperature, air pressure ratio, etc. ). The requirements of this document should govern for all qualification tests unless different requirements are established by the detail specifications.
Standard

Aircraft Humidification
2021-01-14
CURRENT
AIR1609B
This SAE Aerospace Information Report (AIR) covers the design parameters for various methods of humidification applicable to aircraft, the physiological aspects of low humidities, the possible benefits of controlling cabin humidity, the penalties associated with humidification, and the problems which must be solved for practical aircraft humidification systems. The design information is applicable to commercial and military aircraft. The physiological aspects cover all aircraft environmental control applications.
Standard

Fault Isolation in Environmental Control Systems of Commercial Transports
2021-01-12
CURRENT
AIR1266B
This SAE Aerospace Information Report (AIR) outlines concepts for the design and use of fault isolation equipment that have general application. The specific focus is on fault isolation of environmental control systems (ECS) in commercial transports. Presented are general fault isolation purposes, design principles, and demonstration of compliance criteria. These are followed by three design examples to aid in understanding the design principles. Future trends in built-in-test-equipment (BITE) design are discussed, some of which represent concepts already being implemented on new equipment.
Standard

Environmental Control System Contamination
2003-10-31
HISTORICAL
AIR1539A
This publication will be limited to a discussion of liquid and particulate contaminants which enter the aircraft through the environmental control system (ECS). Gaseous contaminants such as ozone, fuel vapors, sulphates, etc., are not covered in this AIR. It will cover all contamination sources which interface with ECS, and the effects of this contamination on equipment. Methods of control will be limited to the equipment and interfacing ducting which normally falls within the responsibility of the ECS designer.
Standard

Environmental Control System Contamination
2017-06-19
HISTORICAL
AIR1539B
This publication will be limited to a discussion of liquid and particulate contaminants which enter the aircraft through the environmental control system (ECS). Gaseous contaminants such as ozone, fuel vapors, sulphates, etc., are not covered in this AIR. It will cover all contamination sources which interface with ECS, and the effects of this contamination on equipment. Methods of control will be limited to the equipment and interfacing ducting which normally falls within the responsibility of the ECS designer.
Standard

ENVIRONMENTAL CONTROL SYSTEM CONTAMINATION
1981-01-30
HISTORICAL
AIR1539
This publication will be limited to a discussion of liquid and particulate contaminants which enter the aircraft through the environmental control system (ECS). Gaseous contaminants such as ozone, fuel vapors, sulphates, etc., are not covered in this AIR. It will cover all contamination sources which interface with ECS, and the effects of this contamination on equipment. Methods of control will be limited to the equipment and interfacing ducting which normally falls within the responsiblity of the ECS designer.
Standard

Air Quality for Commercial Aircraft Cabin Particulate Contaminants
2018-10-17
WIP
AIR4766/1A
This SAE Aerospace Information Report (AIR) covers airbone particulate contaminants that may be present in commercial aircraft cabin air during operation. Discussions cover sources of contaminants, methods of control and design recommendations. Air quality, ventilation requirements and standards are also discussed.
Standard

Aircraft Cabin Pressurization Criteria
2017-04-10
WIP
ARP1270C
This ARP covers the basic criteria for the design of cabin pressure control systems (CPCS) for general aviation, commercial and military pressurized aircraft.
Standard

AIRCRAFT CABIN PRESSURIZATION CONTROL CRITERIA
1993-06-01
HISTORICAL
ARP1270
These recommendations cover the basic criteria for the design of aircraft cabin pressurization control systems as follows: (1) To ensure aircraft safety. (2) Physiology and limits which govern maximum permissible pressure time relations as related to aircraft passenger comfort. (3) General pressurization control system performance requirements designed to satisfy (2). (4) Technical considerations relevant to satisfying (3).
Standard

Aircraft Cabin Pressurization Control Criteria
2006-06-28
HISTORICAL
ARP1270A
These recommendations cover the basic criteria for the design of aircraft cabin pressurization control systems as follows: (1) To ensure aircraft safety. (2) Physiology and limits which govern maximum permissible pressure time relations as related to aircraft passenger comfort. (3) General pressurization control system performance requirements designed to satisfy (2). (4) Technical considerations relevant to satisfying (3).
Standard

Heater and Accessories, Aircraft Internal Combustion Heat Exchanger Type
2019-10-01
CURRENT
AS8040C
This SAE Aerospace Standard (AS) covers combustion heaters and accessories used in, but not limited to, the following applications: a Cabin heating (all occupied regions and windshield heating) b Wing and empennage anti-icing c Engine and accessory heating (when heater is installed as part of the aircraft) d Aircraft deicing
Standard

Heater, Aircraft Internal Combustion Heat Exchanger Type
2008-11-06
HISTORICAL
AS8040A
This SAE Aerospace Standard (AS) covers internal combustion heat exchanger type heaters used in the following applications: a Cabin heating (all occupied regions and windshield heating) b Wing and empennage anti-icing c Engine and accessory heating (when heater is installed as part of the aircraft) d Aircraft de-icing
Standard

HEATER, AIRCRAFT INTERNAL COMBUSTION HEAT EXCHANGER TYPE
1988-02-01
HISTORICAL
AS8040
This standard covers internal combustion heat exchanger type heaters used in the following applications: a Cabin heating (all occupied regions and windshield heating) b Wing and empennage anti-icing c Engine and accessory heating (when heater is installed as part of the aircraft) d Aircraft de-icing
Standard

Heater, Aircraft Internal Combustion Heat Exchanger Type
2013-02-14
HISTORICAL
AS8040B
This SAE Aerospace Standard (AS) covers combustion heaters used in the following applications: a Cabin heating (all occupied regions and windshield heating) b Wing and empennage anti-icing c Engine and accessory heating (when heater is installed as part of the aircraft) d Aircraft de-icing
Standard

Heater and Accessories, Aircraft Internal Combustion Heat Exchanger Type
2023-05-10
WIP
AS8040D
This SAE Aerospace Standard (AS) covers combustion heaters and accessories used in, but not limited to, the following applications: a. Cabin heating (all occupied regions and windshield heating) b. Wing and empennage anti-icing c. Engine and accessory heating (when heater is installed as part of the aircraft) d. Aircraft deicing
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