Holdover Time (HOT) Guidelines Winter 2016-2017

This document should be used in conjunction with Guidelines for Aircraft Ground-Icing Operations (TP 14052E, second edition, April 2005). The two documents complement each other and should be used together for a thorough understanding of the subject matter. AC700-040 This AC provides: (a) Supplemental holdover timetables and regression information for SAE Type II and IV fluids for use by: (i) Air operators or private operators who incorporate the holdover time guidelines as part of their Ground Icing Program (GIP). (ii) Manufacturers of Holdover Time Determination Systems (HOTDS). (iii) Developers of electronic holdover time applications (eHOT) applications. (iv) All Transport Canada Civil Aviation (TCCA) inspectors with surveillance duties and to individuals and organizations that exercise privileges granted to them under an External Ministerial Delegation of Authority. This document is also aimed at the aviation industry at large for information purposes.
Saturday, November 19, 2016 to Saturday, April 1, 2017
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The Hazards of the Winter Season

"The perennial perils of winter weather are upon us once again. Seasonal weather, consisting of low temperatures and visibilities, freezing rain, ice, drizzle, snow, and fog, brings many additional challenges to flight operations. Hazards exist everywhere, and may not be clearly evident. Degrading conditions, changing schedules, unpredictable situations, complex procedures, ambiguity, confusion, task saturation, and fatigue can all increase the seasonal risk" The attached Callback Newsletter contains narratives on valuable lessons learned.
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IATA Unstable Approaches, Risk Mitigation Policies, Procedures and Best Practices 2nd Edition

This 2nd Edition of this document, collaboratively written by the International Air Transport Association (IATA), the International Federation of Air Line Pilots’ Associations (IFALPA), the International Federation of Air Traffic Controllers’ Associations (IFATCA), the Civil Air Navigation Services Organisation (CANSO), has been issued.
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