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1Federal AviationAdministration
Federal AviationAdministrationRunway Incursion
PreventionAirport Design – AC 150/5300Change - 17
<Audience>
<Date>
Presented to: Eastern Region Annual Airport Conference
Hershey Conference
By: Khalil E. Kodsi, P.E. PMP
Date: April 4, 2012
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Runway Safety Objective
Minimize the likelihood of Runway Incursions:
Improve taxiway geometry Increase situational awareness Improve Operational use of taxiways
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Increase Situational Awareness
• FAA Engineering Brief No. 75 – Incorporation of Runway Incursion Prevention into Taxiway and Apron
Design – 11/08/07– http://www.faa.gov/airports/engineering/engineering_briefs/
• Change 17 to FAA AC 150/5300-13, “Airport Design”– Improve Taxiway Geometry:
“3 – Node” taxiway intersection Taxiway/ Runway interface Entrance Taxiways
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“3-Node” Intersection
• Multiple intersecting angles of: – 30, 45, 90 degrees from the traveling taxiway
– Optimize fillet designs
– Bring airfield signage closer
• “Right Angle” entrance taxiway - best visual perspective – View aircraft traffic in both directions
– Optimum pilot orientation for viewing taxiway signage
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Standard Intersection DetailsW
L
W
L
TAXIWAY CL
LTAXIWAY C
L
W
L
W
W
L
W
CL
Figure 4-1a
= 30°, 45°, or 90°
Figure 4-1b
Figure 4-1c Figure 4-1d
(c) Taxiway intersection exceeds "3-node" concept
APRON
TAXIWAY J
TAXIWAY P
TAX
IWA
Y N
TAX
IWA
Y P
TAXIWAY C
4
RUNWAY
RU
NW
AY
BOARDINGAREA D
TAXIWAYJ4
TAXIWAY
B4
TAXIWAY K
TAXIWAY J5
Avoid This!
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Taxiway / Runway - Interface
• Optimum design is right-angle– No less than 45 degrees
– Exception for High Speed Exits
• Not Recommended:– Y-shaped taxiway crossing
– Taxiway crossing a High Speed exit
– Taxiway connecting to V-shaped runways
– Aligned taxiway (Prohibited)
– Direct access from a ramp/ terminal to the runway
– High-speed exits leading directly onto another runway
(d) Taxiway intersecting two or more runways
APRON
RUNWAY
TA
XIW
AY
J5
Avoid This!
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Hot Spots
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AP
RO
N
TA
XIW
AY
A
TA
XIW
AY
R
TA
XIW
AY
R
TA
XIW
AY
P
(a) Taxiway crossing high-speed exit andWide throated runway entrance
RU
NW
AY
RUNWAY
TAXIWAY J
TAXIWAY K
(b) Extra-wide throated taxiway without
TERMINAL APRON
N2
N3
TA
XIW
AY
TA
XIW
AY
directly to parallel taxiways and runways"No Taxi" islands leading from the apron
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Hot Spots
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9
RUNWAY
TAXIWAY C-1 TAXIWAY C-2 TAXIWAY C-3
TAXIWAY D-2
TAXIWAY D TAXIWAY D
RUNWAY
TAXIWAY H
(e) Aligned taxiway between two closely spaced runway ends
TAXIWAY D-1
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Hot Spots
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Entrance Taxiway
Avoid wide expanses beyond taxiway design tables
Islands provide location for elevated signage
Standard orientation is 90 degrees
Standard length to accommodate longest fuselage
Curve “outer-edge” to mitigate wrong runway landing
TAXIWAY
RUNWAY
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Hot Spots
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(f) Two or more taxiway entranceslacking "No Taxi" islands
36R
TA
XIW
AY
HF
RU
NW
AY
TAXIWAY WP
TAXIWAY WQ
TAXIWAY WR
TA
XIW
AY
HF
R
(g) "Y" Shaped taxiway crossing a runway
APRON
TAXIWAY A
TAXIWAY
TAXIWAY
TAX
IWA
Y C
N
P
RU
NW
AY
RU
NW
AY
TAXIWAY P
TA
XIW
AY
N
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Improve Taxiway Operational Use
Avoid using runways as taxiways Use taxiing strategies to reduce active runway
crossing Correct runway incursion “Hot Spots”
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Change – 17 (Highlights)
• Taxiway Dimensional Standards – Group VI: (taxiway wonder study – EB80 )– Taxiway width is reduced from 100 feet to 82 feet– Taxiway edge safety margin is reduced from 20 feet to 15 feet
• Computer Program. Appendix-11 has been deleted including all references throughout AC.
• “Wind Rose” analysis tool has been added to Airport GIS website
• Appendix – 16 “New Instrument Approach Procedures” – Changes in tables and footnotes to clarify requirements based on Appendix 2 (TERP)
• The use of OFZ criteria as the basis to justify a reduction in runway to taxiway separation standards is not allowed.
• Taxiway geometry enhancement to minimize Runway Incursions.
• Appendix 15, Transfer of Electronic Data - Deleted. Guidance has been superseded by Airports GIS.
• Chapter 4, Table 4-2: Deleted lower section of table dealing with judgmental oversteering.
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Questions
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