Cambridge Transportation Authorities 1 Main St Simat Helliesen and Eichner, Inc. (SHandE) is the leading aviation consulting firm dedicated to air transportation. Since 1963, Airlines, airports, governments, international transportation agencies, manufacturers, and financial institutions have relied on the insight, and expertise of SHandE aviation consultants. SHandE?s knowledge of the air transport industry is supported by its analytical staff, proprietary aviation databases and research foundations. SHandE professionals understand that changes in market conditions, technical advances and economic, environmental and regulatory issues all will affect aviation in the coming decades. Services include air travel forecasts, analysis, airport marketing, management consulting airport concessions planning, safety and security, airline asset management, privatization, information systems and network planning, mergers and other aviation financial issues.? Cambridge MA Transportation Authorities S H and E Inc www.sh-e.com aviation consulting airport marketing consultant airline operations management services transport aviation consulting airport marketing consultant airline operations management services transport Business Reviews S H and E Inc Testimonials