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FAA Engineering Brief NO 67D U d W biNO. 67D Update Webinar
Jeremy N. Downs, P.E. Staff EngineerTuesday, July 10, 2012EB 67D Informational Webinar
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Webinar Purpose & Overview
Toda e ill disc ss the principal changes in EB 67D and ho theToday, we will discuss the principal changes in EB 67D, and how they will affect LED airfield lighting products and interested parties.
Topics include:• FAA EB 67D Background information
• Current LED certification overview
• EB67D Principal changes
• Verification of compliance to new requirements
• ALECP Certification Update ProcessALECP Certification Update Process
• ALECP Certification Update Timing
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FAA EB 67D Background Information
Purpose Statement from EB 67DPurpose Statement from EB 67D• This engineering brief provides additional requirements for "Light Sources Other Than
Incandescent and Xenon for Airport and Obstruction Lighting Fixtures" subject to certification under AC 150/5345-53, Airport Lighting Equipment Certification Program, , p g g q p g ,and/or other applicable documents.
Background Statement from EB 67D• Manufacturers utilizing alternative light sources such as Cold Cathode Light EmittingManufacturers utilizing alternative light sources, such as Cold Cathode, Light Emitting
Diodes (LED), fiber optics, etc. in equipment certified under the U.S. Department of Transportation, Federal Aviation Administration, Advisory Circular No. 150/5345-53, must meet the requirements contained in each applicable equipment Advisory Circular. Additionally the third party certification body must verify that the manufacturer'sAdditionally, the third party certification body must verify that the manufacturer s equipment meets the following design and operational provisions as dictated by changing illumination technology.
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FAA EB 67D Background Information –Airport Lighting Equipment
Typical Products Tested IAW FAATypical Products Tested IAW FAA AC 150/5345 series include:
• Rotating Beacons • Obstruction Lights • Wind ConesWind Cones • Isolation Transformers • Taxiway / Runway Inpavement Lights • Retroreflective Markers • Cable ConnectorsCable Connectors • Underground Cable • Runway & Taxiway Signs • Portable Runway Lights • Light BasesLight Bases • Constant Current Regulators • Precision Approach Path Indicators (PAPI)• Runway End Identification Lights (REIL)
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FAA EB 67D Background Information
FAA AC 150/5345 53CFAA AC 150/5345-53C• Manufacturer submits certification request
• Qualification testing
• Documentation submittal and engineering review
• Initial manufacturing facility audit
• License Agreementg
• Certificate issued and product listed in 53C Addendum
• Certification process covered under ANSI accreditation to ISO Guide 65
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FAA EB 67D Background Information
Qualification TestingQualification Testing• FAA AC 150/5345-53C, Appendix 2, section 5.C.i
• Must be done IAW ISO 17025
• At Intertek – covered under A2LA accreditation
• Outside of Intertek – covered by audit and witness
• Test Plan Review and Acceptancep
• Assignment to Intertek Representative
• Formal Report issued by Manufacturer
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FAA EB 67D Background Information
EB 67 HistoryEB 67 History• First certification of LED in ALECP – September 1999
• FAA Supplemental Performance Requirements for LED Source Lighting – July 10, 2001
• EBXX – December 2003 through November 2004
• EB67 – November 2004
• EB67B – March 12, 2007
• EB67C – December 29, 2010
• EB67D – March 6, 2012
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EB 67D Certification Overview
Some LED prod cts c rrentl certified to “B”Some LED products currently certified to “B”
Some LED products currently certified to “C”
All LED products must demonstrate compliance with “D” by December 2012by December 2012
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EB 67D Principal Changes
Combined Principal changes from C and DCombined Principal changes from C and D• Intensity ratio (1.0)
• Colors (2.1)
• LED High Temperature (2.2)
• Power Factor (2.5 and 2.5.1)
• Accelerated Life / LED junction temperature (2.4)
• C2 Surge (2.12)
• Arctic Kit (2.13)
• Flicker (2.15)
• Warranty (4.1)
• “L” Suffix (5.0)
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EB 67D Principal Changes – Intensity Ratios
• Light intensity must vary according to the specified curves• Light intensity must vary according to the specified curves
• Two Curves – White and Colored
• Light output must change with input current
• Light output must be based on continuous curve• Light output must be based on continuous curve
• No discrete step intensity changes
• Detailed relative brightness requirements found in Tables 3 and 4
• Current is measured at primary and secondary
• Primary current is value used for compliance
• Testing must be done with both SCR and sine wave CCRs
• Testing must be done with full and half loaded CCRs
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EB 67D Principal Changes – Intensity Ratios
• Figure 1: Dimming Curve (Applies To White Light Only)White Light Only)
• Table 3 contains requirements in 0.10A increments
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EB 67D Principal Changes – Intensity Ratios
• Figure 2. Detailed Current/intensity Graph of Figure 2Graph of Figure 2 for LED Light Colors Blue, Red, Green, and Yellow
• T bl 4 t i• Table 4 contains requirements in 0.10A increments
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EB 67D Principal Changes – Intensity Ratios
• Intensity Ratio Datasheet
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EB 67D Principal Changes – Colors
• Does not apply to LED L-858 signs• Does not apply to LED L-858 signs
• Does not apply to white and red obstruction lights
• White
• Red (CIE S 0004/E2001 restricted region)• Red (CIE S 0004/E2001 restricted region)
• Blue (ICAO)
• Green (ICAO Modified)
• Yellow (CIE S 0004/E2001)
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EB 67D Principal Changes – Colors
• CIE 1931 x,y Chromaticity DiagramDiagram
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EB 67D Principal Changes – Colors
Red
0.340
0.320
0.330EB67D redITE Traffic redSAE AS25050 red
0.300
0.310
0.280
0.290
0.260
0.270
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0.655 0.665 0.675 0.685 0.695 0.705 0.715 0.725 0.735
EB 67D Principal Changes – Colors
Yellow
0.435
0.445
0.455
ITE yellowEB67D yellowSAE AS25050 yellow
0.415
0.425
SAE AS25050 yellow
0.395
0.405
0.365
0.375
0.385
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0.3650.530 0.550 0.570 0.590 0.610 0.630
EB 67D Principal Changes – Colors
Blue
0 205
0 155
0.205
0 105
0.155
0 055
0.105
SAE AS25050 blueEB67D blue
0.005
0.055
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0 0050.090 0.110 0.130 0.150 0.170 0.190 0.210 0.230
EB 67D Principal Changes – Colors
Green
0.800
0.700
0.750
0.600
0.650
EB67D greenSAE AS25050 green
0.500
0.550g
0 350
0.400
0.450
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0.3500.000 0.050 0.100 0.150 0.200 0.250 0.300
EB 67D Principal Changes – Colors
White
0.450
0 390
0.410
0.430
0.350
0.370
0.390
0.310
0.330EB67D whiteSAE AS25050 white
0.250
0.270
0.290
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0.2500.300 0.350 0.400 0.450 0.500 0.550
EB 67D Principal Changes – LED High Temp.
• 15 minute 25°C warm-up only applies to products specified in FAA AC 150/5345-46D• 15 minute 25 C warm-up only applies to products specified in FAA AC 150/5345-46D
• All other products are operated until stable at 25°C
• The operation condition at 25°C should be consistent with the photometric procedure.
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EB 67D Principal Changes – Power Factor
2 5 Performance Characteristics2.5 Performance Characteristics• Applies to all LED product
• Must be measured at both fixture and L-830 inputs
2.5.1 Power Factor of 0.7 minimum• Only applies to fixtures that are powered by a CCR
• Measured at L-830 primary at all CCR current steps
• Testing is done with a sine wave source
• Must be true PF measured over a bandwidth of 100kHz
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EB 67D Principal Changes – Accelerated Life
Applies to all LED light fixture typesApplies to all LED light fixture types
500 Hours with 20 hours on / 4 hours off cycling
55°C ambient air temperature
Acceptance criteria is from FAA AC 150/5345-46D
Can be conducted with other long term tests:Can be conducted with other long term tests:• FAA AC 150/5345-46D accelerated life
• FAA AC 150/5345-43F system operational test
• Duration may need to be adjusted to address all parameters• Duration may need to be adjusted to address all parameters
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EB 67D Principal Changes – LED Junction Temp.
Manufacturer submits test plan and test reportManufacturer submits test plan and test report • Should be based on LED supplier recommendations
Compare to LED manufacturer’s ratings
Make sure that expected life claims are consistent
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EB 67D Principal Changes – C2 Surge
Increased severity from category C1Increased severity from category C1
Obstruction Lights are exempt
References ANSI/IEEE C62.41-1991
Combination Wave• 1.2/50 microsecond 10KV open circuit
• 8/20 microsecond 5KA short circuit
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EB 67D Principal Changes – Arctic Kit
• Is now optional• Is now optional
• If option is provided, must comply with 2.13.1
• Applies to all fixture types
• Temperature measured on light emitting surface• Temperature measured on light emitting surface
• All fixture types must achieve a 15°C rise in 30 minutes.
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EB 67D Principal Changes – Flicker
Applies to designs that utilize PWMApplies to designs that utilize PWM
No numerical values given at this time
Must document pulse frequency and duty cycle
Must be evaluated over full current range
Similar specifications:Similar specifications:• ITE (100 Hz)
• IEC 61000-4-15 (measurement guidance)
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EB 67D Principal Changes – Warranty
• Obstruction Lights are exempt• Obstruction Lights are exempt
• Minimum of 4 years after date of installation
• Includes LEDs and associated electronics
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EB 67D Principal Changes – “L” Suffix
• FAA AC 150/5345-53C addendum is updated• FAA AC 150/5345-53C addendum is updated
• Certificates will also use the “L” suffix
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Verifying Compliance for Certification
Intensity ratioIntensity ratio• Must test each color LED
Colors• Existing Data can be reviewed
• Testing required if design modifications are necessary
LED High TemperatureLED High Temperature• No further testing required (new method already used)
Power Factor• Existing Data can be reviewed
• Testing required if design modifications are necessary
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Verifying Compliance for Certification (cont’d)
Accelerated LifeAccelerated Life• Testing required for each LED color/type
LED junction temperature• Manufacturer submits evaluation with LED ratings
C2 Surge• Testing required
Arctic Kit• Testing required if applicable
• Existing data can be reviewedExisting data can be reviewed
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Verifying Compliance for Certification (cont’d)
FlickerFlicker• If PWM, testing required
Warranty• Documentation submittal required
“L” Suffix• Suffix will be added to certificate when completeSuffix will be added to certificate when complete
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ALECP Certification Update Process
Manufacturer requests Engineering ReviewManufacturer requests Engineering Review
Intertek will do engineering review to determine required action items based on qualification file
Testing will be done if necessaryTesting will be done if necessary
AL-2 form can be submitted at any time during the process
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ALECP Certification Update Process –AL-2 Request for Certification or Revision of Certificate
Copy of all Qual Test ReportsCopy of all Qual Test Reports
List of L-type, class, style, size
List of catalogue number(s)
Section & part drawings
Assembly drawings
BOM with mfg name/catalogue numbersBOM with mfg name/catalogue numbers
Statement of Warranty
Instruction/installation/operating manual
Product Description sheet (marketing)
AL-2B Lamp Life form
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ALECP Certification Update Process
Intertek will send out lists of products that need to be updated to assistIntertek will send out lists of products that need to be updated to assist manufacturers.
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ALECP Certification Update Timing
All LED products must be in compliance with EB67D by December 2012All LED products must be in compliance with EB67D by December 2012
Most updates are already in process
Initial engineering review: 2 weeks
If full testing is required: 4 weeks
Documentation review/processing: 2 weeks
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Questions?
Contact Intertek:Contact Intertek:1.800.WORLDLAB
www.intertek.com/lighting/faa-eb-67
Jeremy Downs, [email protected]: +1 607-758-6212Phone: 1 607 758 6212
More Information:For FAA AC 150/5345-53C:www.faa.gov/airports/resources/advisory_circulars/index.cfm/go/document.listFor FAA EB67D:www.faa.gov/airports/engineering/engineering_briefs
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