- Revised FAA-Approved Deicing Program Updates, Winter 2020-2021
- Date issued
- Date cancelled
- Office of Primary Responsibility
- Access restriction
- Order purpose statement
This notice provides inspectors with information on holdover times (HOT) and recommendations on various other ground deicing/anti-icing issues. This notice clarifies guidance regarding reported Aviation Routine Weather Report (METAR) obscurations to remove potential misinterpretations.
- N 8900.557 (PDF)
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