PSA 7/9 Icing Limits, POH Rev 27

Question 1

Ground Contamination Definition:

Answer 1

Runways, ramps, or taxiways with surface snow, ice, slush, or standing water.

Question 2

Visible Moisture Definition:

Answer 2

• Visible moisture or precipitation in any form (such as fog with visibility of one mile or less, mist, rain, snow, sleet, ice crystals, or clouds in flight)
• If visibile moisture is present below 400 ft AGL with OAT 10C or below activate cowl anti-ice for takeoff. If OAT 5C or below activate both cowl and wing anti-ice for takeoff.

Question 3

When must you use Anti Ice for Taxi?

Answer 3

When both:

• Ground Contimation or Visible Moisture is present
• OAT is 10C or below

Cowl Anti Ice must be On

Question 4

When must you use Anti Ice on Takeoff?

Answer 4

When Ground Contamination or Visible Moisture (below 400AGL) are present and:

• OAT of 10C or below, Cowls must be on
• OAT of 5C or below, Wings and Cowls must be on

Question 5

When must you use Anti Ice in Flight?

Answer 5

While in:

• Visible Moisture
• From a TAT of 10C to SAT of -39C

Cowls must be on

Wings must be on when slower than 230 KIAS

Question 6

When ICE is annunciated:

Answer 6

Wing and Cowl Anti Ice must be On

Question 7

Definition of Icing Conditions in Flight:

Answer 7

A TAT of 10 C or below, and visible moisture in any form is encountered (such as clouds, rain, snow, sleet, or ice-crystals), except when the SAT is -40 C or below.