Instructions for Continued Airworthiness
Contents
1. Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com Installation Instructions for Light Emitting Diode LED Aircraft Light System Installed in Accordance With STC SR02394AK For VARIOUS MODEL ROTORCRAFT Doc No LED 03 20R Rev A Dated May 15 2012 This document and the information disclosed herein are proprietary information of Floats Alaska LLC Neither this document nor the information contained herein shall be transmitted reproduced copied or disclosed in any form or by any means without the written authorization of Floats Alaska LLC The information disclosed herein includes trade secrets and confidential business and or financial information and falls within exemption b 4 of 5 USC 552 FOIA and the prohibitions of 18 USC 1905 Doc LED 03 20R 1 of 11 Rev A Mayl15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com Log of Revisions Rev Description Pages Approved Date IR Initial release 10 27 2010 A Revised STC number 1 2 Clifford D Belleau 5 15 2012 Doc LED 03 20R 2 of 11 Rev A Mayl15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com IMPORTANT PLEASE READ THROUGH ALL INSTRUCTION STEPS BEFORE PERFORMING LIGHT SYSTEM INSTALLATIO2. MODEL PLED462L 1 Used on 14 Volt systems only 2 Used on 28 Volt systems only Doc LED 03 20R 5 of 11 Rev A May15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com 2 0 Component Locations Refer to the aircraft manufacturer s service manual and or illustrated parts catalog Locate the landing and or taxi light system installed in your aircraft This will specify where the components are located when installed 3 0 Weight and Balance Component Weight Longitudinal Lateral Location Location Whelen PAR36 LAMP Rev 6 LBS Whelen PAR36 LAMP Rev A 52 LBS Whelen PAR46 LAMP Rev 1 0 LBS Original LAMP 4 0 Wiring Diagram LED LAMP EXISTING LANDING TAXI L AMP EXISTING WIRE A SWITCH FUSE OR CIRCUIT BREAKER Yuva 518 Wire Application Manufacturers Wire Code Wire A Landing or Taxi Lamp See airframe positive wire manufacturers wiring diagram Wire B Landing or Taxi Lamp See airframe ground wire manufacturers wiring diagram Doc LED 03 20R 6 of 11 Rev A Mayl15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com 5 0 Abbreviations Cautions Warnings Abbreviations LED Light Emitting Diode Cautions and Warnings 1 Lamp contains no user repai
3. N Table of Contents SECTION DESCRIPTION PAGE REVISION Cover Page l Log of Revisions 2 Table of Contents 3 1 0 System Description and Parts 4 5 List 2 0 Component Locations 6 3 0 Weight and Balance 6 4 0 Wiring Diagram 6 5 0 Abbreviations Cautions 7 Warnings 6 0 Installation 7 8 7 0 EMI and Function Checks 9 8 0 Trouble Shooting 10 Installation limitation The Whelen Parmetheus LED landing and taxi hover lamps are approved for installation only in the same location and size as replacement for previously approved incandescent landing and taxi hover lamps Doc LED 03 20R 3 of 11 Rev A May15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com 1 0 Parts List LED LANDING OR TAXI LAMP Item No 1 Doc LED 03 20R 4 of 11 Rev A May15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com Packing List Qty Item PART Title Notes No NUMBER l l 01 0771424 10 PAR 36 LANDING l LIGHT 14V l l 01 0771424 15 PAR 36 TAXI LIGHT 1 14V l l 01 0771424 20 PAR 36 LANDING 2 LIGHT 28V l 1 01 0771424 25 PAR 36 TAXILIGHT 2 28V l 1 01 0790623 10 PAR 46 LANDING 1 LIGHT 14V MODEL PLED461L l l 01 0790623 20 PAR 46 LANDING 2 LIGHT 28V
4. NORMAL position B Disconnect the aircraft battery s C Disconnect external power from the aircraft D Attach maintenance warning tags to the battery s and external power receptacle that have DO NOT CONNECT ELECTRICAL POWER MAINTENANCE IN PROGRESS written on them E Pull landing taxi light circuit breaker s Reference airframe manufacturers current maintenance manual Remove any light cover to gain access to lamp assembly s and bracket s Disconnect connection to positive aircraft power Disconnect ground from aircraft power Remove existing lamp s from brackets mark and retain hardware Record weight of removed lamp s Installation Reference airframe manufacturer s current maintenance manual L Install LED lamp s in brackets using retained hardware 2 Connect positive wire to terminal on lamp 3 4 Reinstall any light cover s removed to gain access to lamp Connect negative wire to terminal on lamp assembly ies and bracket s Prepare aircraft for power up A Make sure all switches are in the OFF NORMAL position B Connect the aircraft battery s C Remove maintenance warning tags to the battery s and external power receptacle that have DO NOT CONNECT ELECTRICAL POWER MAINTENANCE IN PROGRESS written on them D Engage landing light circuit breaker Doc LED 03 20R 8 of 11 Rev A May15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircra
5. ft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com E Perform an EMI and function check the system in accordance with section 7 0 7 Revise aircraft weight and balance and equipment list 8 Prepare and File FAA form 337 9 Record maintenance performed in aircraft records 10 Perform an operational check of the landing taxi light s in accordance with 14CFR 91 407 b and or c to determine that the installed landing taxi light s provide enough light for night operations If light enhancement devices are to be used repeat the operational check with the device s Record the finding s in the aircraft records Doc LED 03 20R 9 of 11 Rev A Mayl15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com 7 0 EMI and Function Check 1 Apply power to the LED lighting system 2 Check and record aircraft bus voltage 3 Set the installed or handheld VHF communication radio to sweep between 117 00 MHz and 137 00 MHz 4 Adjust the VHF radio to the squelch activation threshold Place the antenna of the handheld VHF radio if used in close proximity to the LED lamp Record radio frequencies where the VHF radio squelch activates Shut off the handheld or installed VHF radio Turn the VOR receiver s if so equipped ON Cycle through the VOR frequencies 108 00 118 00 MHz and record any channels with unu
6. rable items WARNING If the aircraft being modified incorporates a remote sensor flux gate compass DO NOT mount the LED light within 24 inches of the remote compass Additionally after installation of the LED lighting system a compass swing MUST be performed with the landing taxi lights ON amp OFF and the position error card must be annotated accordingly WARNING Adequate clearance between the LED and surrounding structure must be maintained DO NOT mount the LED light with less than 1 8 clearance from back of lamp to fixed structure or 14 clearance to movable structure DO NOT mount the LED light with less than 4 clearance to exhaust system components WARNING On all aircraft that are being modified it is IMPORTANT to check the size of the power supply wire to the landing lights Confirm that wire of sufficient wire gauge breaker and switch capacity is installed for the wire length If the aircraft power supply wire breaker or switch are undersize it MUST be removed and a new wire installed in its place Reference AC43 13 1B Paragraph 11 66 d and Figure 11 2 Doc LED 03 20R 7 of 11 Rev A May15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com 6 0 Removal of Original Lamps and Installation of LED Lamps Removal 1 NN BW Prepare the aircraft for maintenance A Make sure all switches are in the OFF
7. sual background noise 10 Turn VOR receiver s OFF 11 Turn ADF receiver s if so equipped ON 12 Cycle through the ADF frequencies and record any frequencies with unusual background noise 13 Turn ADF receiver s OFF 14 Operate all other aircraft systems if installed in all modes and verify that there are no failures to navigational and communications equipment during ground and flight operations 15 Using the previously noted frequencies determine if the newly installed LED lighting system is the source of the EMI This can be accomplished by switching the LED lighting system OFF If the noise remains on the previous recorded radio frequencies the EMI can be attributed to some other source Record the results of this final procedure N O CO NA WARNING If the aircraft to be altered has a remote mounted compass flux gate DO NOT MOUNT the LED light within 24 of the remote mounted compass In addition to the minimum spacing it will be necessary to conduct a compass swing of the aircraft with the LED landing light ON and OFF to determine error in the remote compass measurements Doc LED 03 20R 10 of 11 Rev A Mayl15 2012 Floats Alaska LLC Phone 907 248 6161 3830 Aircraft Drive Fax 907 245 1119 Anchorage AK 99502 www floatsalaska com 8 0 Trouble Shooting Procedure If the system fails to illuminate when the landing light switch is activated you will need to trouble shoo
8. t the system Remember that loose connections and corroded connections may give full voltage indications when measured without a load 1 Incase of failure to illuminate The input voltage to the ballast is 14 or 28 volt according to the part number Ref Packing List page 5 Voltage is specified on the part label at the terminal Troubleshoot as follows a Check for bus voltage at power input wire to the lamp Reestablish power if inadequate power is found b Check for proper lamp part number per the aircraft manufacturer s system voltage c Check for excessive resistance at lamp ground and repair if necessary d Disconnect lamp bench check lamp using verified power source of proper output If lamp does not function replace lamp Doc LED 03 20R 11 of 11 Rev A May15 2012
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