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Runway Friction Measurement. By Thomas J. Yager NASA Langley Research Center Presented at FAA/Aviation Industry Workshop on Runway Condition Determination, Reporting and Report Dissemination FAA Headquarters; Washington DC August 7-8, 2006. Test Aircraft. Falcon 20. Dash 8. B727-100.

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runway friction measurement

Runway Friction Measurement

ByThomas J. YagerNASA Langley Research CenterPresented at FAA/Aviation Industry Workshop onRunway Condition Determination, Reporting and Report DisseminationFAA Headquarters; Washington DCAugust 7-8, 2006

slide3

Test Aircraft

Falcon 20

Dash 8

B727-100

B737-100

B757-100

slide4

Ground Test Vehicles

Diagonal Braked Vehicle

Electronic Recording Decelerometer Vehicle

Instrumented Tire Test Vehicle

Runway Friction Tester

Airport Surface Friction Tester

Surface Friction Tester

slide5

Ground Test Trailers

IMAG Variable/Fixed Slip

GripTester Fixed Slip

Runar Variable/Fixed Slip

BV-11 Skiddometer

E-274 Skid Trailer

joint program summary
Joint Program Summary
  • In nearly 10 years of the joint program, tests have involved
    • 10 aircraft
    • 49 ground vehicles
    • 10 test sites
  • 450 individuals representing over 65 organizations from 16 different countries have participated
  • The Canadian and the International Runway Friction Indices have been established
friction measurement variables
Friction Measurement Variables
  • Operator
  • Equipment calibration & maintenance
  • Test procedure
  • Runway conditions
  • Braking methods
  • Compliance to existing standards
future activities and recommendations
Future Activities and Recommendations
  • Prepare and publish Joint Program final report and recommendations
  • Involve other organizations in ongoing research investigations, e.g. collect aircraft/ground vehicle friction data at airport in Traverse City, MI
  • Solicit more government/industry support and funding to maintain availability of NASA B-757 test aircraft
  • Establish calibration centers for friction measuring equipment
  • Encourage ICAO to form a runway friction study group
  • Perform EMAS study at NASA Langley’s ALDF test track
  • Conduct NASA’s 14th annual workshop, May 14-18, 2007
slide13

WELKOM

VELKOMMEN

YOKOSO

BENVENUTO

WILLKOMMEN

WELCOME

Fourteenth Annual

NASA Tire/Runway Friction Workshop

May 14-18, 2007

NASA Wallops Flight Facility

Website: http://runfric.larc.nasa.gov

WELKOM

VELKOMMEN

WILLKOMMEN

WELCOME

BENVENUTO

slide15

Test Site 2

Taxiway 4/22 “ECHO”

R/W 4/22

Not to scale

300’

222’

300’

300’

R-1

R-2

R-3

10’

LS1

M1

Echo 3

300’

300’

300’

EK3

EK4

RS4

Echo 2

EK1

EK2

Echo 1

75’

10’

MS/0

Asphalt Surface

10’

MS/1

48’

156’

909’

MS/2

10’

4’

P-1

P

L

MS/3

10’

Echo 4

R-5

300’

N159

Ramp

N159

Ramp