Limitations - Anti-Ice, Rain+

Question 1

Updated 6-3-20
Icing Conditions

Icing def. = Ground
= Inflight

Answer 1

Ground = OAT 10C (50F) or below & Visible moisture…
Inflight = TAT 10C (50F) or below & Visible moisture…
Visible moisture in any form is present (clouds, fog w/visibility of 1 mile or less, rain, snow, sleet and ice crystals). Remember “CFR2SIC”

Question 2

Updated 6-3-20
Icing Conditions

Icing def. = when operating on ramps, taxiways, or runways (4+2)

Answer 2

(ss/i/sw/s) surface snow, ice, standing water, or slush = may be ingested by the engines, or freeze on the engines or nacelles

Question 3

Updated 6-3-20
Icing Conditions

Ops. in icing conditions…engine ignition = on or off ?

Answer 3

ON

Question 4

Updated 6-3-20
Icing Conditions

Rely on airframe visual icing cues to turn eng. anti-ice on?

Answer 4

NO = delaying may result in severe eng. damage.

Question 5

Updated 6-3-20
Engine Anti-Ice

When to use Eng. Anti-Ice for ground and flight ops.? (2)

Answer 5

when icing conditions exist or anticipated, except during climb and cruise when temp. is below -40C SAT. (Colder than -40C).

Question 6

Updated 6-3-20
Engine Anti-Ice

Eng. Anti-Ice use in descent ?

Answer 6

in all icing cond. including temps. below -40C SAT.

Question 7

Updated 6-3-20
Wing Anti-Ice

Use wing anti-ice as a substitute for ground de-icing / anti-icing and inspection procedures ?

Answer 7

No

Question 8

Updated 6-3-20
Wing Anti-Ice

Do not operate wing anti-ice on ground when OAT = above ___ deg. C ?

Answer 8

above 10C (50F)