1. 3Aircraft Characteristics or Airport Planning Manuals (accessed April 2017): Airbus: http://www.airbus.com/support/maintenance-engineering/technical-data/aircraft-characteristics/ Boeing: http://www.boeing.com/commercial/airports/plan_manuals.page Bombardier: https://eservices.aero.bombardier.com/wps/portal/eServices/Public/AirportEmergencyPublication Embraer: http://www.embraercommercialaviation.com/Pages/Apms.aspx
2. 4EU ground handling directive http://eur-lex.europa.eu/legal-content/EN/ALL/?uri=CELEX%3A31996L0067
3. 5INTERACTION EU FP7 project: http://www.interaction-aero.eu/Publications/PublicDeliverables.aspx D2.1 General Characterisation of Airport Processes and their interactions D2.3 Identification of Inefficiencies and Needs for Improvement
4. 6ISO 6966-2: Aircraft Ground Equipment-Basic Requirements - Part 2: Safety requirements