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Article Information Category: Ground Operations Content source: SKYbrary Content control: EUROCONTROL

Description

Aircraft Ground De/Anti Icing Hold-Over Time (HOT) tables approved by the SAE G-12 Committee are issued in preparation for the coming winter season.

AEA, FAA, TC (Transport Canada) are the main practical sources of this information and each issues their HOT Tables, and associated support publications, independently of each other and SAE. The generic changes from one season to the next are usually relatively few. However, the recent rapid growth of product-specific HOT tables, which are increasingly used by operators, is significant.

Other "official" sources sometimes publish HOT which are then left as "current" when they cease to be the latest versions. The effect of such out of date information being still accessible has resulted in many Operations Manuals being out of date on this critical safety subject.

• AEA Recommendations for De-icing/Anti-Icing: The two regularly updated AEA Guides on the subject are:
  • “Recommendations for De-Icing/Anti-Icing of Aircraft on the Ground - August 2009” and
  • “Recommendations and Background Information for De-Icing/Anti-Icing of Aircraft on the Ground” Edition 6, August 2009

• 2009/2010 Transport Canada HOT tables

• 2009/2010 FAA HOT tables

Related Articles

• Icing
• Aircraft Ground De/Anti Icing
• De/Anti-Icing Code
• Holdover Time
• Accident and Serious Incident Reports: GND contains details of accidents and serious incidents resulting from airframe icing and problems with anti-icing fluids.

Further Reading

• Transport Canada: Guidelines for Aircraft Ground Icing Operations amendments to which can be found with the latest edition of HOT tables issued prior to each winter season.