Airport Business

DEC 2017 - JAN 2018

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AIRFIELD SAFETY 28 airportbusiness December 2017/January 2018 By Justin Bychek, Greg Albjerg RIM Studies: Balancing Safety and Efficiency Building a Runway Incursion Mitigation plan can make your airfield safer. Many airports are partnering with organiza- tions such as HNTB Corp. to take a more holistic approach to assessing airfield-wide safety issues. One major focus of these RIM studies is airfield geometry, which has been identified as a primary contributing factor for runway incursions, which involve aircraft, vehicles, or pedestrians on a por- tion of the airfield when they should not be. RIM aims to reduce the risk severity and likelihood of an incursion to occur. HOW TO PREPARE The Airports Council International-North America (ACI-NA) expects most commercial-service U.S. airports will receive RIM-related recommendations from the FAA. To prepare, take these proactive steps: • Conduct an in-house assessment of potential problems • Identify incursion risk likelihood and severity • Identify mitigation options (geometry, marking, signage, lighting, procedural, education) • Document any constraints and how they impact or limit mitigation • Understand operational consequences — both positive and negative • Collaborate with stakeholders including airport sponsors, flight operators, and FAA THE LONG BEACH AIRPORT STUDY HNTB's methodology for completing RIM analy- sis comes from its experience assisting multiple airports with airfield geometry studies, including Long Beach Airport, Tucson International Airport, Boston Logan International, Phoenix Sky Harbor International, Los Angeles International, and Detroit Metropolitan. The Long Beach Airport study took an in-depth look at the layouts of runways and taxiways to identify mitigation actions in concordance with FAA regulations, such as education, markings, lighting and geometry. In addition to reviewing the detailed analysis, stakeholders held an informal panel to assess hot spots that contained the high- est risk of potential surface incidents and runway incursions at the airport. Geometric recommenda- tions from the study led the Long Beach Airport to adjust some of the configurations of its taxiways and runways to improve airfield safety. RISK FACTORS AND THE BALANCING ACT It is a delicate balancing act to improve the safety of airfields while maintaining efficiency. HNTB's approach considers how each mitigation strategy S ince the inception of the Federal Aviation Administration's Runway Incursion Mitigation (RIM) program in June 2015, many airports are engaging in exten- sive studies to make their airfields and surrounding areas safer for everyone. The intent is to keep improving a system that has already achieved a remarkable safety record. The Long Beach Airport Airfield Geometry Study and ALP identified mitigation actions (e.g. education, marking, lighting, procedural, and geometric) to significantly reduce the potential for, and number of, surface incidents and runway incursions at the airport. HNTB

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