Required Navigation Performance at Alaska Airlines

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Maurice Snow
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1 Required Navigation Performance at Alaska Airlines Sarah Dalton Director, Airspace and Technology Kotzebue Nome Barrow Prudhoe Bay Adak Bethel Dillingham Dutch King Salmon Fairbanks Anchorage Cordova Harbor Kodiak Yakutat Glacier Bay/ Gustavus Sitka Juneau Petersburg Wrangell Ketchikan 17.2 million passengers/yr. 9,940 employees 116 aircraft 58 cities served 500 daily departures 6.9 million passengers/yr. 4,000 employees 69 aircraft 46 cities served 500 daily departures Vancouver Seattle Spokane Portland Boise Reno San Francisco Int'l Oakland Sacramento San Jose Las Vegas Denver Chicago Boston New York (Newark) Washington, D.C. Lihue Honolulu Palm Springs Los Angeles Int'l Burbank Phoenix San Diego Orange County Tucson Ontario Long Beach Dallas/Ft Worth Orlando Miami Loreto La Paz Los Cabos Mazatlan Puerto Vallarta Manzanillo Guadalajara Ixtapa / Zihuantanejo Mexico City Statistics as of December 31, 2006 December 2007 Routes Cancun 1

2 2

3 W002W.5 W002W.6 3

4 W002W.7 Typical JNU Day 4

5 Alaska Airlines, Inc. - All rights reserved Harsh Operating Environment Remote locations Mountainous terrain in close proximity to runways Nonprecision approaches with angular and lateral offsets from runway Circling approaches Navaid outages Nonradar air traffic control Hostile weather: high winds, snow/ice RNAV/RNP Key Concepts Satellite-based navigation RNP-x is aircraft path conformance (with accuracy x (nm) or better, 95% of time) RNP Containment Region is an area 2 x RNP-x on either side % probability that aircraft is within containment region ANP Containment Radius RNP=RNAV + Monitoring= Containment 5

6 Alaska Airlines, Inc. - All rights reserved RNP RNP Leg Leg Types Types Track to a Fix Radius to a Fix WPT02 WPT02 Arc center WPT01 WPT01 Great circle track between two fixes Constant radius to a fix RNP supports both Straight and Curving Leg Types Alaska Airlines, Inc. - All rights reserved Vertical Vertical Capability Capability WPT Vertical angle (-3.00º) Vertical flight path 3 parameters for each leg 1) Waypoint altitude constraint 2) Vertical angle 3) Waypoint speed constraint (optional) 6

Efficiency/Capacity Improvements Schedule Integrity Delay Reduction

7 Alaska Airlines, Inc. - All rights reserved Benefits of of RNP Safety Enhancement Efficiency/Capacity Improvements Schedule Integrity Delay Reduction Flexibility of the path avoids terrain, noise sensitive areas, and special use airspace PSP: Before and After Safety Enhancement - PSP RNP 7

Added 10 locations Fly over 12,000 RNP approaches and departures annually 2008 RNP saved $18.

8 Minima Improvements Procedure Standard RNP Runway 13R Runway 31L None 250' / 3/4M 1826' / 3M 254' / 1M RNAV Rwy 31L RNP Accomplishments Industry leading RNP pioneer 100% RNP fleet 18 special approaches 14 special departures First airline approved to fly FAA s RNP Public Specials (2006) Added 10 locations Fly over 12,000 RNP approaches and departures annually 2008 RNP saved $18.5M in operating costs RNP Saves Approaches Departures An RNP save is an operation that would not have been completed if RNP was not available. 8

9 Original RNP Purpose Providing vertical guidance Guidance to runways without Navaids Reducing Minimums RNP is taking a new path Capacity Enhancement Efficient Approach & Departure Profiles 9

10 Tracks Before and After RNP Conventional Navigation RNP Approach Operations Track Color Altitude (ft MSL) < 2,000 2,000 4,000 4,000 6,000 6,000 8,000 8,000 10,000 10,000 24,000 > 24, flight tracks, RWY 28, Portland, OR 128 flight tracks, RWY 28, Portland, OR Tracks Before and After RNP 10

impacts and GHG emissions Current-Parallel approach Current-Single approach Proposed RNP path Annual

11 Flight Paths- South flow Proposed RNP Path Reduces track miles Overlays Bay/Husky Visuals Optimizes descent profile Approaches to all runway ends with transitions from each arrival post Reduces noise impacts and GHG emissions Current-Parallel approach Current-Single approach Proposed RNP path Annual Benefits Video clip Time Fuel Burn CO2 Emissions 4800 Hours 2.9 M Gallons 30,500 Metric Tons $20.4M $7.3M Removing 5600 cars 11

12 Q & A 12

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