3240 Stage Check Oral

Question 1

what is a PIREP

Answer 1

its a pilot weather report that is based on the conditions that exist while in flight (either given during flight or right after landing)

Question 2

what kind of information is provided when a pilot gives a PIREP

Answer 2

Bases/tops of clouds
turbulence
icing
wind shear

Question 3

What letters are put before a PIREP and what do they mean

Answer 3

UA: Routine
UUA: Urgent

Question 4

what is windshear?

Answer 4

a sudden, drastic change in wind direction and/or speed over a very small area

Question 5

what kind of windshear is the most dangerous?

Answer 5

LLWS is the most dangerous

Question 6

windshear is commonly associated with

Answer 6

passing frontal systems
thunderstorms
temperature inversion
strong upper level winds
CAT

Question 7

how many types of ice are there and what are they

Answer 7

3 - clear, rime and mixed

Question 8

what temp is clear ice between

Answer 8

2c and -10c

Question 9

how does clear ice appear

Answer 9

lumpy and translucent or clear and smooth

Question 10

what temp is rime ice between

Answer 10

-10c and -15c

Question 11

how does rime ice appear

Answer 11

rough, milky and opaque

Question 12

where does rime ice tend to form

Answer 12

tends to form conformal or wedge-shaped accretions

Question 13

what temp does mixed ice form between

Answer 13

-15c and -20c

Question 14

how does mixed ice tend to form

Answer 14

forms rapidly when ice particles become embedded in clear ice

Question 15

what is a METAR

Answer 15

Aviation Routine Weather Report

Question 16

when are METARs released

Answer 16

at the top of the hour between 55 and 59

Question 17

what is a SPECI

Answer 17

Special METAR

Question 18

what are SPECIs released

Answer 18

issued at any time between routine reports when there is a significant deterioration / improvement in airport with wx conditions