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MIT ICAT MIT ICAT M I T I n t e r n a t i o n a l C e n t e r f o r A i r T r a n s p o r t a t i o n Antony D Evans Prof J-P Clarke

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Presentation on theme: "MIT ICAT MIT ICAT M I T I n t e r n a t i o n a l C e n t e r f o r A i r T r a n s p o r t a t i o n Antony D Evans Prof J-P Clarke"— Presentation transcript:

1 MIT ICAT MIT ICAT M I T I n t e r n a t i o n a l C e n t e r f o r A i r T r a n s p o r t a t i o n Antony D Evans antonye@MIT.EDU Prof J-P Clarke johnpaul@MIT.EDU Observations of Departure Operations at Newark International Airport

2 MIT ICAT MIT ICAT Departure Observations  Newark Site Visit – Thursday June 29, 2000  Middle of a difficult Summer  Thursday before July 4 th Weekend  Large delays the previous day

3 MIT ICAT MIT ICAT Newark Airport Map of Newark Airport (EWR) MIT ICAT MIT ICAT 11-29 4L-22R 4R-22L

4 MIT ICAT MIT ICAT New York City Airspace With Primary EWR Departure Fixes/Jet-routes ELIOT PARKE LANNA BIGGY WHITE COATE GAYEL GREKI MERIT JFK EWR LGA J95 J36 J60 J80 J6 J48 J75 J209 TEB

5 MIT ICAT MIT ICAT Airport/Airspace Interaction Weather Local ATC (Newark Tower) Airport Restrictions on Fixes and Jet-routes Reduced Departure Rate Airline Schedules Delays Congestion Regional ATC (New York Center and New York Tracon)

6 MIT ICAT MIT ICAT Airport/Airspace Interaction Weather Local ATC (Newark Tower) Airport Restrictions on Fixes and Jet-routes Reduced Departure Rate Airline Schedules Delays Congestion Regional ATC (New York Center and New York Tracon)

7 MIT ICAT MIT ICAT Weather: 9 am

8 MIT ICAT MIT ICAT Weather: 12 pm

9 MIT ICAT MIT ICAT Weather: 3 pm

10 MIT ICAT MIT ICAT Weather: 6 pm

11 MIT ICAT MIT ICAT Weather: 8 pm

12 MIT ICAT MIT ICAT Airport/Airspace Interaction Weather Local ATC (Newark Tower) Airport Restrictions on Fixes and Jet-routes Reduced Departure Rate Airline Schedules Delays Congestion Regional ATC (New York Center and New York Tracon)

13 MIT ICAT MIT ICAT Weather and Restrictions: West Routes Thursday 6/29/00 ELIOT/J60 Weather ELIOT/J80 Weather ELIOT/J60 Restriction ELIOT/J80 Restriction 4:104:344:585:466:347:227:468:128:379:029:2610:1610:4011:2811:29 10:301:306:117:458:008:288:539:4510:0810:3211:55 10:301:306:17 8:008:28 9:4510:08 10:3211:55 PARKE/J6 Weather PARKE/J6 Restrictions 11:1612:045:226:106:346:587:468:128:379:029:219:399:5010:0310:1510:1611:0411:28 10:3012:00 3:307:427:447:457:538:1510:3210:5511:59 LANNA/J48 Weather LANNA/J48 Restrictions 11:161:446:346:587:468:128:379:269:5210:1510:30 10:3110:4310:5710:5811:2811:29 10:154:004:555:05 7:227:257:377:5210:1510:3010:4311:1111:1211:55 BIGGY/J75 Weather BIGGY/J75 Restrictions 11:1611:4012:042:347:227:468:379:029:2610:1610:4010:4310:5611:2211:28 10:3011:0012:0412:451:191:201:293:164:545:075:087:227:257:529:5910:0810:3411:1211:4511:55 5678910111213141516171819 Eastern Summer Time: Weather Impacting Jet-route or Fix Restrictions Applied to Jet-route or Fix

14 MIT ICAT MIT ICAT Airport/Airspace Interaction Weather Local ATC (Newark Tower) Airport Restrictions on Fixes and Jet-routes Reduced Departure Rate Airline Schedules Delays Congestion Regional ATC (New York Center and New York Tracon)

15 MIT ICAT MIT ICAT Restrictions and Departure Rate: West Fixes Cumulative Number of Flights for ELIOT PARKE LANNA BIGGY Eastern Daylight Time -- Scheduled Departures -- Actual Departures

16 MIT ICAT MIT ICAT Cumulative Number of Flights Restrictions and Departure Rate: BIGGY

17 MIT ICAT MIT ICAT Airport/Airspace Interaction Weather Local ATC (Newark Tower) Airport Restrictions on Fixes and Jet-routes Reduced Departure Rate Airline Schedules Delays Congestion Regional ATC (New York Center and New York Tracon)

18 MIT ICAT MIT ICAT Impact on Delays Thursday 6/29/00 7891011121314151617181920212223 Eastern Summer Time: North Weather North Restrictions 11:30 3:114:455:226:338:31 11:5812:2512:383:157:5811:10 West Weather West Restrictions 7:2710:1611:3312:1312:341:501:59 2:112:312:545:017:278:509:049:059:269:459:56 12:591:083:375:496:096:356:377:559:329:349:439:469:5210:17 South Weather South Restrictions 7:0112:59 7:021:231:245:41 Instantaneous Total Minutes of Departure Delay 2000 3000 4000 5000 6000 111213141516171819202122230 Eastern Summer Time 0 1000 Weather Impacting Jet-route or Fix Restrictions Applied to Jet-route or Fix Jet-route or Fix closed

19 MIT ICAT MIT ICAT Communication  Three way Communication System:  Continental Airlines: NY Center and Tracon EWR TowerAirline NY Center and Tracon EWR Tower COA Ramp Tower Operations Center Houston

20 MIT ICAT MIT ICAT Summary of Key Observations  Correlations between Restrictions and Weather not Optimum  Some fixes restricted when unaffected by weather  Capacity opportunity missed  Restriction/Re-route optimization required  Ground delays result directly from airspace constraints  Not only ground operation problems  Communication  No feed-forward  Delay reductions possible

21 MIT ICAT MIT ICAT Future Work  In-depth study of communication within Continental Airlines  In-depth study effects of schedule changes on delays  Historical overview outlining growth in air traffic since deregulation  Description of issues and challenges facing other airports  Synthesis of most effective practices in addressing challenges faced

22 MIT ICAT MIT ICAT Summary of Day’s Weather EWR, June 29, 2000  Morning: front passes EWR to the South – affects West and South routes  Afternoon and Evening: front moves through from the North West – affects North & West routes  Late Afternoon: front moves through the South – affects South routes  Clear skies over EWR all day

23 MIT ICAT MIT ICAT Ice 10 Miles in Trail (MIT)15 MIT20 MIT30 MIT 40 MITClosedRe-route ATC Weather Light Precipitation Heavy Precipitation Mild Precipitation Weather and Restrictions: West Routes Thursday 6/29/00 ELIOT/J60 Weather ELIOT/J80 Weather ELIOT/J60 Restriction ELIOT/J80 Restriction 12:321:203:223:464:104:344:585:225:466:106:146:347:227:468:128:379:2610:1611:2811:29 4:104:344:585:466:347:227:468:128:379:029:2610:1610:4011:2811:29 10:301:306:117:458:008:288:539:4510:0810:3211:55 10:301:306:17 8:008:28 9:4510:08 10:3211:55 PARKE/J6 Weather PARKE/J6 Restrictions 11:1612:045:226:106:346:587:468:128:379:029:219:399:5010:0310:1510:1611:0411:28 10:3012:00 3:307:427:447:457:538:1510:3210:5511:59 LANNA/J48 Weather LANNA/J48 Restrictions 11:161:446:346:587:468:128:379:269:5210:1510:30 10:3110:4310:5710:5811:2811:29 10:154:004:555:05 7:227:257:377:5210:1510:3010:4311:1111:1211:55 BIGGY/J75 Weather BIGGY/J75 Restrictions 11:1611:4012:042:347:227:468:379:029:2610:1610:4010:4310:5611:2211:28 10:3011:0012:0412:451:191:201:293:164:545:075:087:227:257:529:5910:0810:3411:1211:4511:55 5678910111213141516171819 Eastern Summer Time:

24 MIT ICAT MIT ICAT Impact on Delays Thursday 6/29/00 7891011121314151617181920212223 Eastern Summer Time: North Weather North Restrictions 11:30 3:114:455:226:338:31 11:5812:2512:383:157:5811:10 RestrictedSeverely restrictedClosures ATC Weather Light Heavy Precipitation Mild West Weather West Restrictions 7:2710:1611:3312:1312:341:501:59 2:112:312:545:017:278:509:049:059:269:459:56 12:591:083:375:496:096:356:377:559:329:349:439:469:5210:17 South Weather South Restrictions 7:0112:59 7:021:231:245:41 Instantaneous Total Minutes of Departure Delay 2000 3000 4000 5000 6000 111213141516171819202122230 Eastern Summer Time 0 1000

25 MIT ICAT MIT ICAT Communication  Illustration of EWR Tower / Airline communication  COA167 to John Wayne Airport, Orange County, CA (SNA)  Scheduled Departure 6:50pm  7:50pm Continental Airlines calls Tower  COA167 will miss curfew at SNA unless it leaves  Tower gives permission for COA167 to skip to front of departure queue  on condition another COA goes to back of queue  COA167 departs at 8:04pm (No COA is ever moved to back of queue)

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