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The Simplified Aircraft-Based Paired Approach With the ALAS Alerting Algorithm
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Author and Affiliation:
Perry, Raleigh B.(NASA Langley Research Center, Hampton, VA, United States);
Madden, Michael M.(NASA Langley Research Center, Hampton, VA, United States);
Torres-Pomales, Wilfredo(NASA Langley Research Center, Hampton, VA, United States);
Butler, Ricky W.(NASA Langley Research Center, Hampton, VA, United States)
Abstract: This paper presents the results of an investigation of a proposed concept for closely spaced parallel runways called the Simplified Aircraft-based Paired Approach (SAPA). This procedure depends upon a new alerting algorithm called the Adjacent Landing Alerting System (ALAS). This study used both low fidelity and high fidelity simulations to validate the SAPA procedure and test the performance of the new alerting algorithm. The low fidelity simulation enabled a determination of minimum approach distance for the worst case over millions of scenarios. The high fidelity simulation enabled an accurate determination of timings and minimum approach distance in the presence of realistic trajectories, communication latencies, and total system error for 108 test cases. The SAPA procedure and the ALAS alerting algorithm were applied to the 750-ft parallel spacing (e.g., SFO 28L/28R) approach problem. With the SAPA procedure as defined in this paper, this study concludes that a 750-ft application does not appear to be feasible, but preliminary results for 1000-ft parallel runways look promising.
Publication Date: Feb 01, 2013
Document ID:
20130009914
(Acquired Feb 21, 2013)
Subject Category: AIR TRANSPORTATION AND SAFETY
Report/Patent Number: NASA/TM-2013-217804, L-20197, NF1676L-15409
Document Type: Technical Report
Contract/Grant/Task Num: WBS 411931.02.07.01
Financial Sponsor: NASA Langley Research Center; Hampton, VA, United States
Organization Source: NASA Langley Research Center; Hampton, VA, United States
Description: 70p; In English; Original contains color illustrations
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: No Copyright
NASA Terms: AIRCRAFT APPROACH SPACING; AIRPORTS; ALGORITHMS; DECELERATION; FALSE ALARMS; FLIGHT PATHS; INTRUSION DETECTION (COMPUTERS); KINEMATICS; LANDING AIDS; RUNWAYS; SIMULATORS; TRAJECTORIES; VELOCITY DISTRIBUTION; WARNING SYSTEMS; WEATHER
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