Standard
Track updates
AS 3891.1:2021
[Current]Air navigation — Cables and their supporting structures — Marking and safety requirements, Part 1: Marking of overhead cables and supporting structures
Specifies requirements for marking overhead cables and their supporting structures designed to provide a visual warning to pilots of aircraft, other than those aircraft involved in planned and legal, low-level aviation operations.
Published: 28/05/2021
Pages: 17
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Design of aircraft warning markers
4.1 Design applications for marking scenarios — Overview
4.2 General requirements
4.2.1 Colour
4.2.2 Colourfastness
4.2.3 Aircraft marker design and performance considerations
4.3 Measurement of height above ground level
4.4 Measurement of height above water
4.5 Cable attached marker designs — Unlit
4.5.1 Design requirements in proximity to a certified aerodrome
4.5.2 Design requirements not in proximity to a certified aerodrome
4.6 Painting of supporting structures
4.6.1 Design requirements in proximity to a certified aerodrome
4.6.2 Design requirements not in proximity to a certified aerodrome
4.7 Marker panels for supporting structures
4.8 Warning lights
4.8.1 General design requirements
4.8.2 High intensity obstacle lights — General
4.9 Ground based markers
4.10 Performance-based marking design considerations
5 Installation of markers and marking
5.1 Installation and marking scenarios
5.1.1 Overview
5.1.2 Thresholds for marking
5.2 Marker installation in proximity to certified aerodromes
5.2.1 Cables in proximity to certified aerodromes
5.2.2 Supporting structures in proximity to certified aerodromes
5.2.3 Ground based marking considerations
5.3 Marker installation and marking in proximity to non-certified aerodromes
5.3.1 Cables in proximity to non-certified aerodromes
5.3.2 Supporting structures in proximity to non-certified aerodrome
5.3.3 Ground based marking considerations
5.4 Tall structures 100 m AGL and greater
5.5 Cable height in excess of 90 m
5.5.1 Cable marking
5.5.2 Supplemental or alternative markings — Structure lighting
5.5.3 Supplemental or alternative markings — Supporting structures
5.5.4 Supplemental or alternative markings — Ground based markers
5.6 Cable spans exceeding 1 500 m and height 60 m
5.6.1 Cable marking
5.6.2 Markings — Supporting structures
5.6.3 Supplemental or alternative markings — Lighting
5.6.4 Supplemental or alternative markings — Ground based markers
5.7 Parallel cables
5.8 All other cables and supporting structures
5.9 Risk assessment framework
6 Maintenance of marker systems
Bibliography
Cited references in this standard
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