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1、ACRP Problem No. 10-03-14 Recommended: Yes Defining Aircraft Delay TRB Aviation Group Airfield & Airspace Capacity and Delay Cmte: There is quite strong support. Will help planners communicate more precisely about delay. Should also address other metrics for operational performance. ACRP Screening P
2、anel This problem statement is also recommended but the most valuable elements should be combined with problem statement 10-03-39. A AC CR RP P Problem Number Problem Number 10-03-14 PROBLEM TITLE Defining Aircraft Delay RESEARCH PROBLEM STATEMENT Average aircraft delay is often cited as an indicati
3、on of airport capacity or used as a measure of when to build new runways or other improvements. Airport planners and modelers may deem a certain number of minutes to be “acceptable delay” to help define capacity. Airline delays are reported to DOT every month by the major carriers and reported publi
4、cly as “on-time performance,” comparing the airlines ability to provide a certain level of customer service. For the FAA, most flight delays are not even reported until they reach at least 15 minutes. The National Plan of Integrated Airport Systems (NPIAS) reports airport delays from the FAAs Aviati
5、on System Performance Metric (ASPM) database, including taxi-in, taxi-out, and airborne delays. All the sentences in the previous paragraph used the same word “delay” referring to the amount of extra time experienced by an aircraft or flight. However, they are defined very differently and have diffe
6、rent applications to airport planning. At the same time, very little guidance exists as to what amount of delay should be used for determining airport improvements (for many years, the NPIAS suggested four to six minutes of delay at large airports, but that statement is no longer included). Without
7、strong guidelines on airport delays, the general public and even inexperienced airport decision-makers have difficulty understanding why just a few minutes of average delay warrant spending millions for capacity enhancements. OBJECTIVE Develop guidebook that describes various types of aircraft/fligh
8、t delays, how the measures are calculated, and what specific delays can be used to evaluate airport improvements. RESEARCH PROPOSED The expected key tasks are: Perform a literature search to determine what information and research is available in reporting airport and aircraft delays. Develop compre
9、hensive list of aircraft/flight delay data sources. Describe how each type of delay is calculated or developed. Add information on how that delay is relevant to airport planning. Add information on delays reported from modeling studies. Provide guidelines for modeling so that delays are not inflated
10、 or overstated. Include information on traffic demands effects on delays. Compile variety of airport master plans and other airport planning documents that describe use delays for justifying airport capacity improvements. Compare delay levels documented at the airports and the data sources. Develop
11、guidelines for applying delay data sources to airport planning decisions. Issue final report. ESTIMATE OF THE PROBLEM FUNDING AND RESEARCH PERIOD Recommended Funding: $150,000 Research Period: The estimated time to complete this research is 15 months. URGENCY AND PAYOFF POTENTIAL More acceptance by
12、the various stakeholders and general public for planned airport improvements. RELATED RESEARCH PERSON(S) DEVELOPING THE PROBLEM Belinda G. Hargrove, Managing Principal TransSolutions, LLC 14600 Trinity Blvd., Suite 200 Fort Worth, TX 76155 817-359-2950 817-359-2959 (fax) PROCESS USED TO DEVELOP PROB
13、LEM STATEMENT The justification for the development of this problem statement is based on the problem developers 20 years of experience in airport planning analyses. The topic was suggested by the TRB Committee on Airport and Airspace Capacity and Delay, AV060. Endorsement of this statement by the Airfield and Airspace Capacity and Delay Committee of the TRB is pending. DATE AND SUBMITTED BY Belinda Hargrove Submitted: April 10, 2009 Submit to: Christopher W. Jenks ManagerACRP Transportation Research Board 500 Fifth Street., N.W. Washington, D.C. 20001 202/334-3224
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