Icing

If ATC receives a PIREP of severe ice (clear, mixed or rime), the controller is not permitted to clear an IFR aircraft into the area of icing unless the aircraft is certified for FIKI (Flight in Known Icing)

True

False

Pilots should submit a PIREP when encountering icing or turbulence in flight. The intensity of icing conditions should be reported as (select answer with intensities as specified in the AIM) :

Light, moderate, severe, extreme

Trace, light, moderate, severe

Light, moderate, heavy, extreme

ATC RADAR accurately depicts all types of icing conditions. This allows controllers to vector light aircraft clear of icing.

True

False

If a light aircraft encounters structural icing and ATC is not able to approve an altitude change, The PIC:

Should reduce airspeed to allow more time for ATC to coordinate the altitude change.

Must maintain the last assigned altitude

May utilize the authority in FAR 91.3 and declare an Emergency

Should immediately descend to the MEA or MOCA whichever is lower

Most aircraft icing occurs in what temperature range?

+10°C to -2°C

+2° C to -10°C

+5°C to -5°C

+10°C to -10°C

What temperature condition is indicated if wet snow is encountered in flight?

The temperature is above freezing at flight altitude

The temperature is above freezing at higher altitude

There is an inversion with colder air below

What condition is necessary for the formation of structural icing in flight?

Supercooled water droplet

Water vapor

Visible water

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Icing

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