LED Airfield Lighting System Operation and Maintenance (2015)

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72 A P P E N D I X B This appendix is to be used as a reference guide for the minimum preventive maintenance requirements of the FAA under AC 150/5340-26 for all for all projects funded with federal grant monies through the Airport Improvement Program (AIP) and with revenue from the Passenger Facility Charges (PFC) Program. For in-depth information, AC 150/5340-26 has details about the maintenance of airfield lighting systems. The following tables and figures are duplicated from AC 150/5430-26C, dated 6/20/2014, and are included in this appendix for reference. Maintenance Schedules

Maintenance Schedules 73 AIRPORT LIGHTING CIRCUIT INSULATION RESISTANCE TEST RECORD VAULT OR SUBSTATION # _________________________ CIRCUIT IDENTIFICATION ________________________ DATE OHMS WEATHER CONDITIONS AND COMMENTS INITIALS Table B-1. AC 150/5340-26, Figure 5-1, sample insulation resistance record.

74 LED Airfield Lighting System Operation and Maintenance Maintenance Requirement D A I L Y W K L Y M T H L Y S M A N Y A N N L Y U N S C H 1. Check control operation X 2. Check general cleanliness X 3. Check for moisture X 4. Check ventilator screens or air conditioner controls X 5. Inspect safety boards, safety equipment and fire extinguishers X 6. Check insulation resistance of all field circuits* X 7. Check input voltage to vault X 8. Check ground resistance X 9. Inspect and clean buses X 10. Check relay operation X 11. Check oil fuse cutouts X 12. Check oil switches X 13. Operate power transfer switches X 14. Check control panel or computer control equipment X 15. Check photoelectric switch X 16. Check astronomic time switch X 17. Check radio control of lighting equipment X 18. Check lightning arrestors X X 19. Inspect miscellaneous electrical equipment X 20. Test oil dielectric strength in transformers and regulators X 21. Paint equipment as necessary X X * Weekly insulation resistance tests may be necessary for older circuits. Table B-2. AC 150/5340-26, Table 5-1, preventive maintenance inspection schedule for airport lighting vaults. Output Step Output 6.6 A Regulator Allowable Range Output 20 A Regulator Allowable Range 5 6.6 amps 6.50–6.70 20.0 amps 19.70 – 20.30 4 5.2 amps 5.10–5.30 15.8 amps 15.50 – 16.10 3 4.1 amps 4.00–4.20 12.4 amps 12.10 – 12.70 2 3.4 amps 3.30–3.50 10.3 amps 10.00 – 10.60 1 2.8 amps 2.70–2.90 8.5 amps 8.20 – 8.80 Table B-3. AC 150/5340-26, Table 5-3, 5-step CCR output tolerances.

Maintenance Schedules 75 Maintenance Requirement D A I L Y W K L Y M T H L Y S M A N L Y A N N L Y U N S C H 1. Check control circuits on all brightness steps X 2. Check condition and operation of regulator X 3. Check input voltage and current X 4. Check output current on each brightness step X 5. Check output load on regulator if needed X 6. Check relays, wiring and insulation X 7. Check dielectric strength of cooling oil (if used) X 8. Perform a short-circuit test X 9. Perform an open-circuit test (only on regulators with open circuit protection. X 10. Clean rust spots and repaint as necessary. X Table B-4. AC 150/5340-26, Table 5-4, preventive maintenance inspection schedule for constant current regulators. MAINTENANCE REQUIREMENT D A I L Y W K L Y M T H L Y S M A N Y A N N L Y U N S C H 1. Inspect for outages; repair as necessary X 2. Check cleanliness of lenses X 3. Perform photometric testing (HIRL) and check light alignment and orientation X X 4. Re-align lights as needed X X 5. Clean fixtures and sockets X 6. Check light elevation X 7. Check for moisture in lights X 8. Inspect fixture for rust, deterioration X 9. Check lamp fitting and clean contacts X 10. Check gaskets X 11. Remove snow and/or vegetation from around lights X Table B-5. AC 150/5340-26, Table 5-5, preventive maintenance inspection schedule for runway and taxiway elevated edge lights. MAINTENANCE REQUIREMENT D A I L Y W K L Y M T H L Y B I M H Y S M A N Y A N N L Y U N S C H 1. Check for burned-out lamps or dimly burning lights X 2. Replace defective lights with refurbished units X 3. Clean lights with dirty lenses X X 4. Perform photometric testing of runway lighting systems X X 5. Check torque of mounting bolts X 6. Check for water in shallow light bases X 7. Remove snow from around fixtures X 8. Check wires in saw kerfs X Table B-6. AC 150/5340-26, Table 5-6, preventive maintenance schedule for in-pavement runway and taxiway lighting.

76 LED Airfield Lighting System Operation and Maintenance Maintenance Requirement D A I L Y W K L Y M T H L Y B I M H Y S M A N Y A N N L Y U N S C H 1. Check lamp operation. X 2. Check photocell operation. X 3. Check for freedom of motion of wind cone frame. X 4. Check condition of wind cone fabric. X 5. Check lamp age for scheduled replacement. X 6. Clean glassware. X 7. Check paint on segmented circle. X 8. Clean and grease bearings. X 9. Read insulation resistance. X 10. Check mounting bolts. X 11. Check wiring at hinge. X 12. Check grounding system resistance. X 13. Check paint on wind cone structure. X 14. Remove vegetation and check condition at foundation. X Table B-7. AC 150/5340-26, Table 5-8, preventive maintenance schedule for lighted wind cones. Maintenance Requirement D A I L Y W K L Y M T H L Y Q T R L Y S M A N Y A N N L Y U N S C H 1. Check lamps for operation. X 2. Check operation of controls. X 3. Check for damage by service vehicles or aircraft. X 4. Clean lamps and filters. X 5. Check mechanical parts for damage. X 6. Check lightning arresters. X 7. Check for water damage or insect infestation. X 8. Check for presence of rodents. X 9. Record output current and input voltage of adapter (if used). X 10. Check alignment and aiming of light boxes. X 11. Check leveling and operation of tilt switch. X 12. Check integrity of obstacle-free approach plane. X 13. Check insulation resistance of underground cables. X 14. Check resistance of grounding system. X Table B-8. AC 150/5340-26, Table 5-9, preventive maintenance schedule for PAPI (precision approach path indicator).

Maintenance Schedules 77 MAINTENANCE REQUIREMENT D A I L Y M T H L Y Q R T L Y S M A N Y 1. Check lamps for operation X 2. Check operation of controls X 3. Check for damage by vehicles or aircraft X 4. Clean lamps and filters X 5. Check mechanical parts for damage X 6. Check lightning arrester X 7. Check for water damage or insect infestation X 8. Check for presence of rodents X 9. Record output current and input voltage of adapter (if used) X 10. Check alignment and aiming of light boxes X 11. Check leveling and operation of tilt switch X 12. Check integrity of obstacle-free approach plane X 13. Check insulation resistance of underground cables X 14. Check resistance of grounding systems X Table B-9. AC 150/5340-26, Table 5-10, preventive maintenance schedule for VASI (visual approach slope indicator). Maintenance Requirement D A I L Y W K L Y M T H L Y B I M H Y S M A N Y A N N L Y U N S C H 1 Check for burned-out lamps. X 2. Check system operation. X 3. Replace burned-out lamps. X 4. Check in pavement lights for cleanliness. X 5. Record input and output voltages of control cabinet. X 6. Clear any vegetation obstructing the lights. X 7. Check angle of elevation of lights. X 8. Check structures for integrity. X 9. Check approach area for new obstructions. X 10. Check photoelectric controls (if used). X 11. Check electrical distribution equipment. X 12. Check insulation resistance of cable. X 13. Check fuse holders, breakers, and contacts. X Table B-10. AC 150/5340-26, Table 5-12, preventive maintenance schedule for MALSR (medium-intensity approach light system with runway alignment lights).

78 LED Airfield Lighting System Operation and Maintenance Maintenance Requirements M T H L Y Q T R L Y S M A N Y A N N L Y T R I E N N L A S R E Q D 1. Make visual operational checks of all lights on all brightness steps. X 2. Check remote control functions. X 3. Record meter reading. X 4. Visually check for misaligned lights or mirrors. X 5. Check for approach line-of-sight clearance for the intrusion vegetation and other obstructions. X 6. Check all fixtures, including mirrors if installed, for alignment and elevation X 7. Check for cleanliness and condition of all glassware and reflectors. X 8. Check all structures for rot or corrosion. Check all light supports for rigidity, guy tensions, and obvious misalignment. X 9. Inspect and clean, if required, interior of all cabinet mounted flashing units. X 10. Check safety devices, ground connections, lightning arrestors, and safety conditions of power distribution equipment at terminal poles, light supports, and substation Pads. X 11. Check conductor and insulation resistance of all power and control cables. Record all measurements and compare them with previous readings. X 12. Change all ODAL lamps after 500 hours of maximum brightness. X Table B-11. AC 150/5340-26, Table 5-15, preventive maintenance schedule for ODALS (omnidirectional approach light system).

Abbreviations and acronyms used without definitions in TRB publications: A4A Airlines for America AAAE American Association of Airport Executives AASHO American Association of State Highway Officials AASHTO American Association of State Highway and Transportation Officials ACI–NA Airports Council International–North America ACRP Airport Cooperative Research Program ADA Americans with Disabilities Act APTA American Public Transportation Association ASCE American Society of Civil Engineers ASME American Society of Mechanical Engineers ASTM American Society for Testing and Materials ATA American Trucking Associations CTAA Community Transportation Association of America CTBSSP Commercial Truck and Bus Safety Synthesis Program DHS Department of Homeland Security DOE Department of Energy EPA Environmental Protection Agency FAA Federal Aviation Administration FHWA Federal Highway Administration FMCSA Federal Motor Carrier Safety Administration FRA Federal Railroad Administration FTA Federal Transit Administration HMCRP Hazardous Materials Cooperative Research Program IEEE Institute of Electrical and Electronics Engineers ISTEA Intermodal Surface Transportation Efficiency Act of 1991 ITE Institute of Transportation Engineers MAP-21 Moving Ahead for Progress in the 21st Century Act (2012) NASA National Aeronautics and Space Administration NASAO National Association of State Aviation Officials NCFRP National Cooperative Freight Research Program NCHRP National Cooperative Highway Research Program NHTSA National Highway Traffic Safety Administration NTSB National Transportation Safety Board PHMSA Pipeline and Hazardous Materials Safety Administration RITA Research and Innovative Technology Administration SAE Society of Automotive Engineers SAFETEA-LU Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (2005) TCRP Transit Cooperative Research Program TDC Transit Development Corporation TEA-21 Transportation Equity Act for the 21st Century (1998) TRB Transportation Research Board TSA Transportation Security Administration U.S.DOT United States Department of Transportation

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