On the Ground:
• RAT is ______or below and visible moisture in any form is present (such as clouds, fog with visibility _____or less, rain, snow, sleet and ice crystals).
• RAT is ________ or below when operating on ramps, taxiways, or runways where ________ may be ingested by the engines or freeze on the engines, nacelles, or engine sensor probes.
• RAT is _______ or below and the temperature; dew point spread is ______ or less.
- 6°C (42°F); one mile
- 6°C (42°F); surface snow, standing water, or slush
- 6°C (42°F); 3°C (5°F)