ASTM-F1165 Historical Revision Information
Standard Test Method for Measuring Angular Displacement of Multiple Images in Transparent Parts

ASTM-F1165 - 1998 EDITION - SUPERSEDED
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Standard Test Method for Measuring Angular Displacement of Multiple Images in Transparent Parts
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Scope

1.1 This test method covers measuring the angular separation of secondary images from their respective primary images as viewed from the design eye position of an aircraft transparency. Angular separation is measured at 49 points within a 20 by 20° field of view. This procedure may be performed on any aircraft transparency in a laboratory or in the field. However, the procedure is limited to a dark environment. Laboratory measurements are done in a darkened room and field measurements are done at night.

1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

1.3 The values stated in acceptable metric units are to be regarded as the standard. The values in parentheses are for information only.

Keywords

aircraft transparency; angular displacement; canopy; primary image; secondary image; transparent parts; wind-screen; ICS Number Code 17.180.01 (Optics and optical measurement in general)

To find similar documents by ASTM Volume:

15.03 (Space Simulation; Aerospace and Aircraft; Composite Materials)

To find similar documents by classification:

17.180.01 (Optics and optical measurements in general)

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Document Number

ASTM-F1165-98

Revision Level

1998 EDITION

Status

Superseded

Modification Type

Revision

Publication Date

April 10, 1998

Document Type

Test Method

Page Count

4 pages

Committee Number

F07.08