SAE ARP 6402A-2011 LED Landing Taxiing Runway Turnoff and Recognition Lights《LED着陆 滑行 跑道关闭 识别信号灯》.pdf
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1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2016 SAE International All rights reserved. No part of this p
3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/ARP6402A AEROSPACE RECOMMENDED PRACTICE ARP6402 REV. A Issued 2011-06 Revised 201
5、1-11Reaffirmed 2016-05 Superseding ARP6402 LED Landing, Taxiing, Runway Turnoff, and Recognition Lights RATIONALE ARP6402A has been reaffirmed to comply with the SAE five-year review policy. FOREWORD This document provides guidance material for the design, qualification, certification and use of LED
6、 based Landing, Taxiing, Runway Turnoff Lights, and Recognition Lights. 1. SCOPE This document includes recommendations of installations of adequate landing and taxiing lighting systems in aircraft of the following categories: a. Single engine personal and/or liaison type b. Light twin engine c. Lar
7、ge multiengine propeller d. Large multiengine turbojet e. Military high performance fighter and attack f. Helicopter which are subject to the following CFR Parts certification: Part 23 Airworthiness Standards: Normal, Utility, Acrobatic and Commuter Aircrafts Part 25 Airworthiness Standards: Transpo
8、rt Category Aircrafts Part 27 Airworthiness Standards: Normal Category Rotorcraft Part 29 Airworthiness Standards: Transport Category Rotorcraft 1.1 Purpose The purpose of this document is to provide certain basic considerations and design criteria for installation of LED landing, runway turnoff, an
9、d taxiing light systems for night operation. Criteria for recognition lights are also included. SAE INTERNATIONAL ARP6402A Page 2 of 14 2. REFERENCES The following publications form a part of this document to the extent specified herein. The latest issue of SAE publications shall apply. The applicab
10、le issue of the other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and reg
11、ulations unless a specific exemption has been obtained. 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org. ARP6253 LEDs and Aircraft Applications ARP693 Landin
12、g and Taxiing lights Design Criteria for Installation J1330 Photometry Laboratory Accuracy Guidelines 2.2 FAA Publications Available from Federal Aviation Administration, 800 Independence Avenue, SW, Washington, DC 20591, Tel: 866-835-5322, www.faa.gov. Federal Aviation Regulations, Part 23, Airwort
13、hiness Standards: Normal, Utility, and Acrobatic Category Aircrafts. Federal Aviation Regulations, Part 25, Airworthiness Standards: Transport Category Aircrafts. Federal Aviation Regulations, Part 27, Normal Category Rotorcraft. Federal Aviation Regulations, Part 29, Transport Category Rotorcraft.
14、Federal Aviation Regulations, Part 121, Certification and Operations: “Domestic, Flag and Supplemental Air Carriers and Commercial Operators of Large Aircraft.“ Federal Aviation Administration AC25-7A 9 Flight Test Guide for Certification of Transport Category Aircrafts 2.3 U. S. Government Publicat
15、ions Available from the Document Automation and Production Service (DAPS), Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094, Tel: 215-697-9495, https:/assist.daps.dla.mil/quicksearch/. MIL-L-6503 Military Specification, Lighting Equipment, Aircraft, General Requirements For 3. DEFINITION
16、S HALATION: Scattering of a light beam beyond its proper boundaries, causing a bright ring or halo surrounding an object or beam of light. GLARE: Light within the visual field that is brighter than the level to which the eyes are adapted, thus reducing visibility, reducing contrast, annoying, causin
17、g discomfort, or distracting the observer. SAE INTERNATIONAL ARP6402A Page 3 of 14 4. GENERAL RECOMMENDATIONS 4.1 Color to be white. Flight test for certification shall include an assessment to determine adequate color discrimination for runway and taxiway signs as well as color contrasts between pa
18、vement and surrounding environment for orientation of aircraft on runways and taxiways. 4.2 The amount of ultraviolet light should be considered due to possible negative effects on materials and observers. 4.3 LEDs generally do not fail catastrophically, but experience gradual degradation in light o
19、utput over time. The rate of degradation is dependent upon many factors including, the LED component materials, drive current, operating environment and LED junction temperature. Due to the lack of a hard failure point, it is desirable to define the photometric end of life (EoL). EoL can be defined
20、as a percentage of initial output (70% for many applications), or the length of operational time until the light no longer meets defined minimum intensities. Because photometric margin and life can be impacted by adjusting package size, weight, power and cost, establishing specific values / requirem
21、ents for life is not appropriate as these requirements can be market / platform / installation specific. An appropriate EoL requirement does, however, need to be considered during the design / installation process in order to insure that the lights will meet their intended function for the duration
22、of their rated life. 4.4 Icing, humidity, and condensation should be considered in the design of the lighting system due to effects on system performance. Appropriate draining and/or venting are recommended. 4.5 Warm up and stabilization: For purposes of demonstrating compliance with this specificat
23、ion, all photometric and color measurements shall be made after a minimum warm up period (30 minutes for LED sources, 90 seconds for incandescent/tungsten halogen light sources), or after the light has reached thermal stabilization, whichever is longer. Stabilization shall be defined as the point in
24、 which light output does not change by more than 3% over a 15 minute period. 5. DETAILED RECOMMENDATIONS Landing Light Classes (See Table 1) The performance levels found in table 1 may be used as guidelines in the design of LED landing lights. Recommended end of operating hours is 1000 hours minimum
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