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Federal Aviation Administration OBSTRUCTION EVALUATION/ AIRPORT

AIRSPACE ANALYSIS (iOE/AAA)OVERVIEWThe Federal Aviation Administration (FAA) has the responsibility toassess and determine whether any proposed construction oralteration that is more than 200 feet above ground level at the site would cause a hazard to air navigation in U.S. airspace. Per CFR Part 77, ananalysis and the final determination utilizes obstacle, aerodrome and Navigational Aid (NAVAID) data, research, and coordination. The approval process was extremely labor-intensive and involved pulling the appropriate charts, plotting the location of the proposed structure manually, locating the nearest airports, researching runway information, plotting flight paths, calculating precise measurements, and coordinating data and activities with a variety of agencies.

In an effort to automate and streamline this evaluation and approval process. CGH Technolo-gies, Inc. (CGH), developed the Internet Obstruction Evaluation Airport Airspace Analysis (iOE/AAA). The iOE/AAA, a national web-enabled Software as a Service (SaaS), was developed so that the FAA and other Government Agency users could be transparent in collaborative decision making for planned obstacle construction in the airspace. This new phase ofautomation, data sharing, and communicationbetween and among FAA, military and other agencies represents not only obstacle evaluation but Non-Rule Airport (NRA) studies, Certificate of Authorization (COA) and laser studies. The OE System allows Air Traffic Controllers / Managers and State / Local Airport Authorities (read only access) to review proposed obstacles in order to mitigate potential adverse safety effects in the National Airspace System (NAS). Utilizing 2d and 3d CFR Part 77 analysis, Conflix reports, Penetration of Surfaces (POS) and NASWatch Tools, OE looks at the holistic placement of Obstacles within the NAS. This System allows relevant stakeholders within the FAA Service Areas to arrive at a decision and enables the decision on the FAA Website.

The OE System allows regional users in air traffic, military, TECHOPS, Flight Procedures, Flight Standards and Airports to utilize one system for all aeronautical obstruction evaluation needs regardless on personnel location. In addition to providing interactive dynamic mapping and Geographical Information Systems (GIS) capabilities, the system serves as the holder of all site status information. The OE System provides webservices and is able to update various FAA applications and the FCC with proposed case and determine OE and NRA Aeronautical Studies.

International Civil Aviation Organiza-tion (ICAO) Standards for ANNEX 15 forobstacle publication of determined and proposed cases meets their standards and the publication of Data and can be downloaded using AIXM, Ver. 5.0 orother file formats. CGH has been part of the ongoing EURO CONTROL eTOD meetings since 2006 and to date sits on several focus groups.

Web-based access ensures everyone will use the same system, encompassing the best of all the FAA Service Areas. iOE/AAA is also now available to external users allowing e-filing for permission to build a proposed structure according to Part 77 mandates. The non FAA user base consists of over 10,000 registered users. These users file their studies to the FAA by utilizing the FAA OE External website. To date, over 95% of all OE cases are filed on line and on airport studies (NRA’s) can be filed on-line as well.

CGH is the primary industry partner on the iOE/AAA project.Developing this system required the CGH team to understand airport airspace missions, mandates, policies and proce-dures; develop requirements for the system; develop workflow processes and develop code that facilitated decision making across the FAA and the external user community regarding the evaluation of structures to be built within a particular airport or airspace (mapping capabilities, zooming, panning, querying, graphics, text, coordinate readouts, etc.).

The CGH team has successfully developed, designed, implemented and continues to maintain the iO/EAAA and other Aeronautical Information Management (AIM) automatedapplications for the FAA.