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Commercial Pilot > Weather > Flashcards

Weather Flashcards

You may prefer our related Brainscape-certified flashcards:
Charter Pilot (Part 135) - Oral flashcards
0
Q

What types of weather briefing are there?

A

Standard
Abbreviated
Outlook
In flight briefing (EFAS, 122.0)

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1
Q

Who do you call to find out the weather? What number is it?

A

Weather briefer

1800 WXBRIEF

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2
Q

What is a HIWAS? How does it broadcast?

A

Hazardous in flight weather advisory service. Continous broadcast over navaids, shown as H on map. Listen on VOR frequency on NAV radio.

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3
Q

What is an ATIS? Which airports have them?

A

Automated terminal information services.

Airports with control tower. Gives weather, notams, runway in use. Winds in true

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4
Q

What is an AWOS?

A

Automated weather observation system.

Machine that has sensors & processors, only gives you weather. Winds in magnetic.

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5
Q

What is an ASOS?

A

Automated surface observation system
Little better than AWOS. Can give METAR reports too. Type of precipitation falling gicen & + accurate than AWOS. Winds in magnetic

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6
Q

What is a METAR? When is it updated?

A

Aviation routine weather report.
Gives current conditions @ airport
Winds in true. Updated hourly, always on the 53rd minute. Same as others but generated for computer.

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7
Q

What is a PIREP? How can you get one?

A

Pilot report for unobserved weather phenomenon.

Get by calling the briefer when on the ground or flight watch when in flight.

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8
Q

What is a TAF? When is it updated? How long is it good for?

A

Terminal aerodrome forecast
Updated every 6 hours (4x a day)
Good for 24-30 hours
Read like a METAR

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9
Q

What is an area forecast?

A

You use it when your airport doesn’t have a TAF. It gives weather for an entire region of the U.S.

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10
Q

What is an AIRMET?

A

Air men’s meteorological weather advisory.
Issued for everybody, mainly targeting smaller ACFT.
Light to moderate WX

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11
Q

Types of AIRMETS?

A

S - IFR conditions or mountain obscuration
T - moderate turbulence &/or surface winds greater than 30 Kt
Z - moderate icing & freezing level info

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12
Q

What is a SIGMET?

A

Significant meteorological weather advisory
Targets all size ACFT, intended for everybody
Sever weather

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13
Q

Types of SIGMETS?

A

Non convective - severe icing, turbulence. Dust & sand storms, volcanic ash.
Convective - severe thunderstorms, SFC winds > 50 Kts, hail > 3/4” at surface, tornadoes, embedded thunderstorms, line of thunderstorms longer than 60 miles.

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14
Q

What is wind shear? Where can you look to see if there is any?

A

Sudden change in wind speed or direction.

T AIRMETS

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15
Q

What are two main types of icing?

A

Induction icing - Carb ice can occur up to 70F

Structural icing

16
Q

What types of structural icing are there?

A

Clear
Rime
Mixed
Frost - acts like spoilers, accumulates over night

Commercial Pilot (4 decks)

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