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This SAE Standard describes a method for determining the exterior noise emitted by earthmoving machinery in terms of the A-weighted sound power level while the machine is in a stationary test condition. At six positions on a hemispherical surface, the equivalent continuous A-weighted sound pressure levels are measured. The A-weighted sound power level of the machinery is calculated from the measured values.

This SAE Standard describes a method for measuring the weighted sound pressure levels at prescribed microphone positions in the proximity of a device or machine for outdoor use, in order to determine compliance with noise limits. The A-weighted sound power level of the source is calculated from the measured values.

This SAE Standard describes a method for determining the noise emitted by earthmoving machinery at the operator's position in terms of the equivalent continuous A-weighted sound pressure level while the machine is in a stationary test condition.

This SAE Standard describes a method for determining the noise emitted to the environment by earthmoving machinery in terms of the A-weighted sound power level while the machine is working under dynamic test conditions.

This SAE Standard describes a method for determining the noise emitted by earthmoving machinery at the operator’s position in terms of the equivalent continuous A-weighted sound pressure level while the machine is carrying out a simulated work cycle.

This ARP is intended to cover all external lights on the tanker and receiver airplanes used to accomplish aerial refueling.

This Aerospace Recommended Practice includes the following areas: basis for system requirements; selection of materials coupled with hazards and safety; configuration of design; system operation; and evalua tion testing.

The purpose of this SAE Standard is to define test conditions, describe tests to be made, specify data to be obtained, show formulas and calculations, define terms, and establish a uniform method of reporting so that performance data obtained on various makes and models of tractors, tested in accordance with this document, will be comparable regardless of where the tests are made. Because of the availability of many tractor models and types that can be equipped with a variety of special or optional equipment, the scope of this document must be limited to obtaining and reporting only the most significant of widely used performance data. Tests performed to either the Standard Code as outlined in Section 5 or the Restricted Code as outlined in Section 6 will satisfy requirements of this Agricultural Tractor Test Code. This document is technically equivalent to the OECD Tractor Test Code C(87)53, Annex I and Annex II.

Air Conditioning System - General - Dealing with Design Features

Air Conditioning System - General - Dealing with design features.

This specification covers requirements for a self-propelled, boom type aerial device, equipped with an aircraft deicing fluid spraying system. The unit shall be highly maneuverable for deicing all exterior surfaces of wide-body and intermediate size aircraft, e.g., B-747 and B-737. The vehicle will also be used for aircraft maintenance and inspection. The vehicle shall be suitable for day and night operations.