1st Quarter 2014 Report

Fly Quiet Program O’Hare International Airport

Chicago Department of Aviation

Visit the O’Hare Noise Management Webpage on the Internet at

www.flychicago.com 1st Quarter 2014 Report

Background

In 1997, the City of Chicago announced that operating at O’Hare International Airport had agreed to use designated noise abatement flight procedures in accordance with the Fly Quiet Program. The Fly Quiet Program was implemented in an effort to further reduce the impacts of aircraft noise on the surrounding neighborhoods.

The Fly Quiet Program is a voluntary program that encourages pilots and air traffic controllers to use designated nighttime preferential runways and flight tracks developed by the Chicago Department of Aviation in cooperation with the O'Hare Noise Compatibility Commission, the airlines, and the air traffic controllers. These preferred routes direct aircraft over less-populated areas, such as forest preserves, highways, as well as commercial and industrial areas.

As part of the Fly Quiet Program, the Chicago Department of Aviation prepares a Quarterly Fly Quiet Report. This report is shared with Chicago Department of Aviation officials, the O'Hare Noise Compatibility Commission, the airlines, and the general public. The Fly Quiet Report contains detailed information regarding nighttime runway use, flight operations, flight tracks, and noise complaints and 24-hour tracking of ground run-ups. The data presented in this report is compiled from the Airport Noise Management System (ANMS) and airport operation logs.

Operations

O’Hare has eight runways that are all utilized at different times depending on a number of conditions including weather, airfield pavement and construction activities and air traffic demand.

The Nighttime Runway Use Report compares the average percentage of use for each runway during the current quarter with the previous quarter as well as with the 12-month average. The percentage of use for departures and arrivals is shown graphically for each runway. This data is presented for all aircraft types during nighttime hours of 10:00 p.m. to 7:00 a.m. The Nighttime Hourly Operations Report compares the arrivals and departures by hour to the current quarter with the previous quarter as well as with the 12-month average. Percentage is a ratio whereas a percentage point is the difference between two percentages. Highlights for 1Q 2014 include:

Departures Arrivals Most used nighttime departure runway: 32L – 48% Most used nighttime arrival runway: 27L – 39% 32L night departures increased by 4pp from 4Q 2013 27L night arrivals increased by 13pp from 4Q 2013 28R night departures decreased by 4pp from 4Q 2013 28R night arrivals decreased by 6pp from 4Q 2013 pp = Percentage Points Nighttime operations represent 9% of the overall daily operations

Preferential Flight Tracks

As part of the Fly Quiet Program, the Chicago Department of Aviation worked with the O'Hare Noise Compatibility Commission, the airlines, and the air traffic controllers to identify preferred runways and flight tracks for nighttime operations at O’Hare. The preferred routes direct aircraft over less-populated areas in an effort to limit the effects of noise on the surrounding communities.

Chicago Department of Aviation Page 1 1st Quarter 2014 Adherence to nighttime departure preferential flight tracks is measured by the ANMS. A detailed deviation summary is provided for the two most-used departure runways (28R and 32L); the airline deviation is also compared to the data from the same quarter of the previous year.

An average deviation graphic and table is provided for all runways. The Nighttime Flight Track Report measures deviation (in nautical miles) from the preferred flight tracks and is divided into three categories:

 less than 0.5 miles  between 0.5 and 1.0 miles  greater than 1.0 miles

Noise Complaints

The Chicago Department of Aviation maintains a toll-free O’Hare noise hotline (1-800-435-9569) and an on-line service at www.flychicago.com for citizens to express their concerns about particular incidents or about aircraft noise levels in general. The Nighttime Noise Complaint Report summarizes the number of complaints received and where the complainants were located. The tabular report lists the number of complaints by community as well as the number of individual complainants. The graph at the bottom of the page illustrates the nature of the complaints during the current quarter. Complaints include all complaints made within the State of to the O’Hare Noise Hotline toll-free number or on-line feature.

Ground Run-ups

Ground run-ups are aircraft engine tests that are performed to ensure that the engines are working properly after maintenance is performed. Ground run-ups typically occur at night and generate high levels of noise for extended periods of time. In 1997, the Chicago Department of Aviation constructed a ground run-up enclosure (GRE) at O’Hare to help reduce the noise impacts of ground run-ups on the communities surrounding the airport. This facility was the first of its kind in the . When it is not possible to use the GRE, run-ups are performed on the 10 hold pad. The 32L hold pad is closed as of February 28, 2010.

The Airline Ground Run-up Report displays the total number of ground run ups from the current quarter by airline. The Aircraft Ground Run-up Report displays the total number of ground run ups from the current quarter by aircraft. Both reports compare the percent utilization of the GRE facility to the percent utilization of the 32L and 10 hold pads for ground run-ups. It also compares the current quarter’s GRE usage to the 12-month average and to the same quarter of the previous year.

Aircraft Noise

The Nighttime Aircraft Noise Report summarizes noise measurements from each of the 33 noise monitors located around O’Hare. The data presented summarizes the Equivalent Sound Level (Leq). Leq is used to identify the average sound level over a given period of time (in this case 10 p.m. to 7 a.m.) and is the metric used for this analysis as it is the most appropriate noise measure for periods of time less than 24 hours.

The data in this report displays the average Leq for the current quarter and its comparison to the previous four quarters. It also compares the current quarter’s Leq to the 12-month average. Numbers displayed in red represent an increase of at least 1 dB over the aircraft Leq from the same quarter of the previous year whereas numbers displayed in green represent a decrease of at least 1 dB from the aircraft Leq from the same quarter of the previous year.

Chicago Department of Aviation Page 2 1st Quarter 2014 Runway Use Report Chicago O'Hare International Airport Period: 1st Quarter 2014 Time of Day: 10:00 p.m. to 7:00 a.m.

Runway Use (10 p.m. to 7 a.m.) Source: Airport Noise Management System (ANMS)

Runway Utilization 4L 4R 9L 9R 10L 10C 14L 14R 22L 22R 27L 27R 28C 28R 32L 32R Average Daily Departures 1Q 2014 2005510011010220451 4Q 2013 2004501012000126433 12 Month Avg. 30089n/a3126000n/a11467 Average Daily Arrivals 1Q 2014 0112860202382171800 4Q 2013 0112742902293222801 12 Month Avg. 0 6 0 1 31 n/a 1 23 0 9 21 3 n/a 25 0 2

Departures (10 p.m. to 7 a.m.) Arrivals (10 p.m. to 7 a.m.) 70% 70%

60% 60%

50% 50%

40% 40%

30% 30%

20% 20%

10% 10%

0% 0%

Percentage Departure Utilization Percentage Arrival Utilization

1Q 2014 1Q 2014 2 1 2 1

0 0 1 2

48 2

1 5 2 39

0 0 22 5 8 19

3 1 6 17

0 0 0 0 0 0 12 1

Runway 10C-28C was commissioned on October 17, 2013.

Chicago Department of Aviation Page 3 1st Quarter 2014 Nighttime Hourly Operations Report Chicago O'Hare International Airport Period: 1st Quarter 2014 Time of Day: 10:00 p.m. to 7:00 a.m.

Average Departures by Hour

70

60

50 34 34 36 40

28 30 Average Departures Average

14 20 11 5 6 10 5 5 3 2 2 2 2 1 1 1

10 p.m. 11 p.m. 12 a.m. 1 a.m. 2 a.m. 3 a.m. 4 a.m. 5 a.m. 6 a.m.

Hour

1Q14 4Q13 12 Month Average*

Operations by Hour (%) 1Q 2014 10 p.m. 11 p.m 12 a.m. 1 a.m. 2 a.m. 3 a.m. 4 a.m. 5 a.m. 6 a.m. Total Departures 36.5% 15.2% 5.6% 2.6% 2.0% 1.6% 0.8% 5.3% 30.5% 100% Arrivals 19.4% 13.3% 6.0% 2.5% 0.8% 1.3% 7.3% 16.4% 32.8% 100%

Average Arrivals by Hour

70

60

50 40

40 32

Average Arrivals Average 30 20 19 19 16 20 13 13 9 6 5 7 10 2 2 1 1 1 2 0 10 p.m. 11 p.m. 12 a.m. 1 a.m. 2 a.m. 3 a.m. 4 a.m. 5 a.m. 6 a.m.

Hour

1Q14 4Q13 12 Month Average*

* 12 Month Average equals the average of 2Q 2013, 3Q 2013, 4Q 2013 and 1Q 2014.

Chicago Department of Aviation Page 4 1st Quarter 2014 Nighttime Preferential Flight Track Summary Chicago O'Hare International Airport Period: 1st Quarter 2014 Time of Day: 11:00 p.m. to 6:00 a.m.

1st Quarter 2014 1st Quarter 2013 Runway 28R Departures Average Average Departures Deviation Departures Deviation (nautical miles) (nautical miles) Airline ABX 1 0.68 4 0.42 Aerologic 2 0.73 2 0.29 Aeromexico 119 0.22 65 0.30 AeroUnion 2 0.48 -- -- Air France 13 0.33 11 0.22 2 0.43 -- -- Airbridge Cargo Airlines 11 0.38 1 0.28 2 0.40 -- -- 56 0.33 20 0.54 American Eagle 103 0.25 74 0.35 45 0.20 17 0.22 15 0.16 14 0.17 British Airways 13 0.49 13 0.35 Cargolux Airlines 11 0.37 5 0.43 Cathay Pacific Airways 12 0.39 7 0.34 China Cargo Airlines 8 0.38 6 0.35 China Southern Airlines 1 0.35 -- -- Emirates 7 0.35 1 0.40 Etihad Airways 4 0.57 -- -- FedEx 54 0.23 46 0.28 Jetblue Airways 2 0.14 1 0.06 Korean Air Lines 40 0.20 32 0.22 3 0.12 2 0.22 Lufthansa Cargo 15 0.42 17 0.43 National Air Cargo Group 1 0.27 -- -- Netjets Aviation 1 0.00 1 0.36 Nippon Cargo Airlines 24 0.31 17 0.32 3 0.31 -- -- Qantas Airways 1 0.27 3 0.39 Qatar Airways 3 0.45 4 0.43 Republic Airlines 52 0.45 -- -- Royal Jordanian 1 0.38 -- -- 7 0.32 2 0.97 Cargo 3 0.16 5 0.22 Sky Regional Airlines 5 0.19 -- -- 1 0.27 3 0.41 16 0.70 16 0.40 Swift Air 2 0.07 -- -- Swiss International Airlines 1 0.21 -- -- 8 0.34 2 0.22 United Air Lines 43 0.32 14 0.39 United Express/ASA 36 0.23 54 0.38 United Express/ 14 0.16 4 0.18 United Express/Gojet Airlines 19 0.39 12 0.32 United Express/ 22 0.39 8 0.78 United Express/Sky West 28 0.56 8 0.19 United Express/Trans States 11 0.49 2 0.26 Untied Express/Mesa 6 0.32 3 0.19 UPS 40 0.17 14 0.12 Virgin America 1 0.64 -- -- Yangtze River Express Airlines 1 0.72 -- -- Overall 891 0.35 510 0.34

Green represents a deviation of less than 0.5 nautical miles

Orange represents a deviation between 0.5 and 1.0 nautical miles

Red represents a deviation greater than 1.0 nautical mile

Chicago Department of Aviation Page 5 1st Quarter 2014 Nighttime Preferential Flight Track Summary Chicago O'Hare International Airport Period: 1st Quarter 2014 Time of Day: 11:00 p.m. to 6:00 a.m.

1st Quarter 2014 1st Quarter 2013 Runway 32L Departures Average Average Departures Deviation Departures Deviation Airline (nautical miles) (nautical miles) Aerologic 3 0.05 7 0.11 Aeromexico 34 0.13 21 0.19 AeroUnion 3 0.22 3 0.05 Air France 7 0.10 11 0.07 Airbridge Cargo Airlines 5 0.37 9 0.09 Alaska Airlines 2 0.11 1 0.11 American Airlines 135 0.19 46 0.15 American Eagle 91 0.15 201 0.20 Asiana Airlines 29 0.13 16 0.11 Atlas Air 12 0.10 19 0.12 British Airways 7 0.56 6 0.08 Airways 1 0.05 1 0.06 Cargolux Airlines 23 0.18 29 0.12 Cargolux Italia 4 0.15 -- -- Cathay Pacific Airways 6 0.26 13 0.29 China Airlines 3 0.46 -- -- China Cargo Airlines 2 0.10 8 0.22 4 0.13 3 0.10 Emirates 10 0.08 1 0.00 FedEx 120 0.18 97 0.19 Korean Air Lines 31 0.09 31 0.07 LOT 1 0.18 3 0.10 Lufthansa 2 0.11 -- -- Lufthansa Cargo 10 0.10 3 0.10 Netjets Aviation 1 0.12 -- -- Nippon Cargo Airlines 28 0.17 26 0.07 Polar Air Cargo 2 0.37 1 0.09 Qantas Airways 3 0.13 6 0.13 Qatar Airways 3 0.13 3 0.01 Republic Airlines 88 0.22 -- -- Royal Jordanian 1 0.12 -- -- Scandinavian Airlines 7 0.12 9 0.13 Singapore Airlines Cargo 2 0.57 10 0.18 Sky Regional Airlines 2 0.11 -- -- Southern Air 2 0.15 1 0.07 Spirit Airlines 39 0.20 58 0.30 Turkish Airlines 6 0.23 4 0.23 United Air Lines 105 0.21 84 0.23 United Express/ASA 52 0.12 116 0.26 United Express/Chautauqua Airlines 21 0.18 22 0.30 United Express/Gojet Airlines 32 0.12 30 0.16 United Express/Mesa 14 0.12 19 0.26 United Express/Shuttle America 41 0.24 23 0.75 United Express/Sky West 24 0.17 29 0.30 United Express/Trans States 21 0.17 8 0.25 UPS 32 0.18 23 0.16 Virgin America 3 0.24 1 0.08 Overall 1,074 0.18 1,002 0.16

Green represents a deviation of less than 0.5 nautical miles Orange represents a deviation between 0.5 and 1.0 nautical miles Red represents a deviation greater than 1.0 nautical mile

Chicago Department of Aviation Page 6 1st Quarter 2014 Nighttime Flight Track Report Chicago O'Hare International Airport Period: 1st Quarter 2014 Time of Day: 11:00 p.m. to 6:00 a.m.

Preferential Flight Track Existing Runways Existing Runways Future Runways to be Decommissioned

Runway Departures (in %) versus Deviation (in nautical miles) Deviation 4L 4R 9L 9R 10L 14L 14R 22L 22R 27L 27R 28R 32L 32R < 0.5 100% 0% n/a 82% 78% 100% 72% 47% n/a 95% n/a 89% 95% 76% 0.5 < 1.0 0% 0% n/a 8% 11% 0% 14% 40% n/a 2% n/a 8% 3% 21% >1.0 0% 0% n/a 10% 11% 0% 14% 13% n/a 3% n/a 3% 2% 3%

n/a = not applicable Flight tracks shown until 3,000' Mean Sea Level (MSL)

Chicago Department of Aviation Page 7 1st Quarter 2014 Nighttime Noise Complaint Report Chicago O'Hare International Airport Period: 1st Quarter 2014 Time of Day: 10:00 p.m. to 7:00 a.m.

Complaints by Community1

Total Number of Total Complaints Community Complaints Complainants 0 500 1,000 1,500 2,000 2,500 3,000

Addison 10 3 Arlington Heights 15 2 Barrington Hills 21 Bensenville 143 30 Berkeley 22 Chicago 2,500 576 Ward 36 87 Ward 38 26 13 Ward 39 838 114 Ward 41 925 174 Ward 45 344 77 Ward Other 239 74 Ward Unknown 120 117 Deer Park 11 Des Plaines 14 2 Downers Grove 11 Elk Grove Village 30 12 Elmhurst 37 35 Evanston 11 Forest Park 11 Franklin Park 10 10 Glen Ellyn 22 Hanover Park 22 Harwood Heights 15 6 Highland Park 21 Hillside 64 Itasca 566 10 Lake Barrington 21 Lincolnwood 86 Mount Prospect 42 4 Niles 41 Norridge 2,251 71 Palatine 53 Park Ridge 160 50 Rolling Meadows 92 Roselle 10 2 Rosemont 11 Schaumburg 32 Schiller Park 31 14 Villa Park 22 Wheaton 11 Wilmette 11 Wood Dale 291 92

1Q 2014 Total 6,181 955 4Q 2013 Total 3,394 754 12 Month Average2 6,181 955

Not Reported Nature of Noise 0% Complaints Low Flying 11%

Frequency of Operations Aircraft Noise 10% 77% Vibration 2%

1 Only includes calls made from the State of Illinois. 2 12 Month Average equals average of: 2Q 2013, 3Q 2013, 4Q 2013 and 1Q 2014

Chicago Department of Aviation Page 8 1st Quarter 2014 Airline Ground Run-Up Report Chicago O'Hare International Airport Period: 1st Quarter 2014 Time of Day: 24 Hours

All Airlines 1st Quarter 2014 4th Quarter 2013 12 Month Avg. 1 Location Run-ups Percentage Run-ups Percentage Run-ups Percentage GRE 164 75% 209 81% 195 78% 10L Pad 56 25% 49 19% 56 22% Total 220 100% 258 100% 251 100% GRE 85 73% 127 83% 103 77% 10L Pad 31 27% 26 17% 30 23% Total 116 100% 153 100% 134 100% GRE 34 100% 27 100% 41 99% 10L Pad 0 0% 0 0% 1 1% Total 34 100% 27 100% 42 100% GRE 19 100% 17 100% 20 95% 10L Pad 0 0% 0 0% 1 5% Total 19 100% 17 100% 21 100% GRE 6 20% 16 46% 12 36% 10L Pad 24 80% 19 54% 21 64% Total 30 100% 35 100% 33 100% GRE 20 95% 22 85% 19 85% Other 10L Pad 1 5% 4 15% 3 15% Total 21 100% 26 100% 22 100%

Ground Run-up Locations 1Q 2014

10L Pad 25%

GRE 75%

112 Month Average equals the average of: 1Q 2013, 2Q 2013, 3Q 2013 and 4Q 2013.

Chicago Department of Aviation Page 9 1st Quarter 2014 Aircraft Ground Run-Up Report Chicago O'Hare International Airport Period: 1st Quarter 2014 Time of Day: 24 Hours

1st Quarter 2014 4th Quarter 2013

Run-ups Run-ups Percentage Run-ups Run-ups Percentage Aircraft Total in GRE Use of GRE Total in GRE Use of GRE

A319 2 0 0% 22100%

A320 6 4 67% 14 8 57%

B737 12 9 75% 16 12 75%

B747 0 0 0% 000%

B757 16 1 6% 10 3 30%

B767 26 6 23% 17 3 18%

B777 14 3 21% 11 2 18%

DC9Q 0 0 0% 3267%

E135/145 42 41 98% 47 44 94%

MD80 73 71 97% 118 113 96%

Regional Jet (unspecified type) 23 23 100% 18 18 100%

Other 6 6 100% 22100%

TOTAL 220 164 75% 258 209 81%

Chicago Department of Aviation Page 10 1st Quarter 2014 Northfield O’Hare Prospect Heights 37 International Arlington Rolling Heights Glenview Meadows Airport 10 Mount Permanent Noise Prospect Golf Monitor Locations 1 21 City of Chicago Rahm Emanuel Morton Des Plaines 20 Grove Mayor Department of Aviation Rosemarie S. Andolino Commissioner Niles 7 24 14 Legend Park Ridge Permanent Noise Monitors (32) 26 8 12 13 14L Existing Runways Elk Grove 9L 27R 33 Village 22R Existing Runways to be 34 Decommissioned 14R 25 41 9C 27C 27 5 Future Runways 9R 27L Rosemont 41 Itasca 4L 32R O’Hare Modernization Program 32 45 Build-Out Noise Contour 22L 22 17 (65 DNL) 10L 28R 32L 28 29 10C 28C Harwood Schiller Heights Chicago Ward Boundaries Wood Park Norridge Dale 3 10R 28L Community Boundaries 65 DNL 4R 38 16 Bensenville 4 30 36 Chicago Franklin 11 Park 15 31 Addison River 30 Elmwood 23 Grove Park 35 Northlake 29 2 Miles Stone 37 Elmhurst Park Oak Melrose 012 Park 19 Park River Forest Date: December 17, 2013 File: ORD_RMT_Vers2.mxd

Chicago Department of Aviation Page 11 1st Quarter 2014 Nighttime Aircraft Noise Report Chicago O'Hare International Airport Period: 1st Quarter 2014 Time of Day: 10:00 p.m. to 7:00 a.m. Metric: Aircraft Leq

1 RMT Last 4 Quarters Monitored Noise Levels Community 1Q 2013 12 Month Avg. # 2Q 2013 3Q 2013 4Q 2013 1Q 2014

1 Arlington Heights 50.9 50.5 49.4 46.5 48.9 49.6 2 Melrose Park 45.7 45.1 44.0 48.2 41.0 46.0 3 Bensenville 51.8 50.1 54.3 52.9 50.1 52.5 4 Schiller Park 48.5 45.3 44.7 53.6 47.3 49.6 5 Chicago 48.1 47.8 49.0 49.5 47.2 48.7 7 Des Plaines 44.8 42.5 41.9 42.2 42.7 43.0 8 Des Plaines 51.9 49.1 48.7 46.9 50.9 49.5 10 Rolling Meadows 59.9 51.5 47.8 43.0 48.0 54.7 11 Chicago 53.2 45.5 47.8 50.2 50.5 50.1 12 Elk Grove Village 50.5 53.4 49.5 48.0 49.9 50.8 13 Elk Grove Village 63.4 66.8 62.1 59.7 63.4 63.8 14 Elk Grove Village 53.4 53.1 52.1 49.8 52.0 52.3 15 Franklin Park 48.6 46.2 42.6 41.4 44.4 45.6 16 Franklin Park 55.9 55.3 52.4 53.2 52.7 54.4 17 Harwood Heights 56.4 58.5 54.7 53.0 55.9 56.1 19 Stone Park 42.5 41.8 40.4 40.6 41.3 41.4 20 Mount Prospect 51.1 52.8 55.1 51.1 48.9 52.8 21 Mount Prospect 46.3 44.7 38.3 36.2 43.9 43.2 22 Norridge 58.8 59.1 59.2 56.7 59.6 58.6 23 Northlake 55.7 56.3 53.2 51.6 54.9 54.6 24 Park Ridge 44.7 41.5 42.9 41.4 41.4 42.8 25 Park Ridge 48.5 47.9 49.2 49.5 44.8 48.8 26 Park Ridge 48.5 43.7 42.4 43.2 44.1 45.2 27 Rosemont 55.5 54.3 53.5 54.0 53.1 54.4 28 Schiller Park 67.8 68.2 69.2 67.2 69.9 68.2 29 Wood Dale 59.5 58.0 55.6 54.7 54.9 57.3 30 Wood Dale 47.6 44.8 46.1 43.9 45.0 45.8 32 Wood Dale 53.7 54.0 56.9 54.4 54.4 55.0 33 Park Ridge 48.7 48.2 46.9 45.1 46.2 47.5 34 Elk Grove Village 52.9 47.0 49.4 48.0 50.9 50.0 35 Unincorporated Cook 50.1 49.2 47.6 46.7 50.2 48.6 37 Mount Prospect 51.2 43.2 46.8 46.3 46.4 47.8 1 Leq (Equivalent Sound Level): The average sound energy level during a stated period of time. Red represents an increase of 1 dB or more from same quarter of the previous year (6 monitors). Green represents a decrease of 1 dB or more from same quarter of the previous year (16 monitors).

Chicago Department of Aviation Page 12 1st Quarter 2014

Chicago Department of Aviation O’Hare Noise Hotline: 1-800-435-9569 www.flychicago.com