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FAA 107 > UAS Weather > Flashcards

UAS Weather Flashcards

1
Q

What is a METARS

A

Routine Surface Observation or Aviation Routine Weather Report

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2
Q

First set of Characters are

A

Airport

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3
Q

Second set of Characters are

A

Date and Time, 1st two #s are date

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4
Q

Third set of characters are

A

Wind (1st three #s are degrees for wind direction, next set of numbers are the wind in knots (KT)

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5
Q

Fourth set of characters are

A

visibility in statute miles

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6
Q

Fifth set of characters are

A

how many clouds (ovc, bkn, sct, few, clr) at how many feet (019=1900)

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7
Q

Sixth set of characters are

A

1st #-degrees in Celcius, 2nd #-dew point

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8
Q

Seventh set of characters are

A

altimeter

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9
Q

What is TAFS?

A

Terminal Aerodrome Forecast

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10
Q

-

A

Light Moderate

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11
Q

+

A

Heavy

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12
Q

VC

A

In the Vicinity

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13
Q

MI

A

Shallow

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14
Q

PR

A

Partial

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15
Q

BC

A

Patches

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16
Q

DR

A

Low Drifting

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17
Q

BL

A

Blowing

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18
Q

SH

A

Showers

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19
Q

TS

A

Thunderstorms

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20
Q

FZ

A

Freezing

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21
Q

DZ

A

Drizzle

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22
Q

RA

A

Rain

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23
Q

SN

A

Snow

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24
Q

SG

A

Snow Grains

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25
Q

IC

A

Ice Crystals

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26
Q

PL

A

Ice Pellets

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27
Q

GR

A

Hail

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28
Q

GS

A

Small Hail and/or Snow Pellets

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29
Q

UP

A

Unknown Precipitation

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30
Q

BR

A

Mist

31
Q

FG

A

Fog

32
Q

FU

A

Smoke

33
Q

VA

A

Volcanic Ash

34
Q

DU

A

Widespread Dust

35
Q

SA

A

Sand

36
Q

HZ

A

Haze

37
Q

PY

A

Spray

38
Q

PO

A

Well-Developed Dust/Sand Whirls

39
Q

SQ

A

Squalls

40
Q

FC

A

Funnel Cloud Tornado Waterspout

41
Q

SS

A

Sandstorm

42
Q

DS

A

Duststorm

43
Q

What is HEMS Tool?

A

Helicopter Emergency Medical Services Tool

44
Q

What is a TFR?

A

Temporary Flight Restriction

45
Q

What is a NOTAM?

A

Notice to Airman

46
Q

What are the 3 types of Briefs?

A

Standard, Abbreviated, Outlook

47
Q

Which Brief is most complete?

A

Standard

48
Q

Which Brief verifies information you already have?

A

Abbreviated

49
Q

Which Brief shows you the forecast in the future?

A

Outlook

50
Q

Stable Air Characteristics

A

Stratiform Clouds (thin, low lying clouds);Fair to Poor Visibility; Continuous Precipitation

51
Q

Unstable Air Characteristics

A

Cumulus Clouds(puffy clouds); good visibility; showery precipitation (nothing consistent)

52
Q

Stratiform Clouds are

A

thin, low lying clouds

53
Q

Cumulus Clouds are

A

puffy clouds

54
Q

Surface Friction

A

“Wind and currents can affect suas performance and maneuverability during all phases of flight. Be vigilant when operating suas at low altitudes, in confined areas, near buildings or other manmade structures, and near natural obstructions (such as mountains, bluffs or canyons).”

55
Q

When do clouds form?

A

Temp and Dew Point get closer together in number resulting in visible moisture (Fog)

56
Q

Radiation (fog type)

A

heat radiates from the surface at night; prefers no wind, if you get a breeze it will go away

57
Q

Advection (fog type)

A

requires cooler surface and some moisture (body of water); a little wind is needed

58
Q

Upslope Fog

A

Moist air flows toward the slope, as air rises with the terrain, it cools to condensation temp and fog forms on slope

59
Q

Precipitation Induced Fog/Steam Fog

A

Rain that hits a hot parking lot and causes steam

60
Q

Types of low clouds

A

Stratus, cumulus, nimbostratus, cumulonimbus

61
Q

Height for Low Clouds

A

6,500 ft and below

62
Q

Types of Mid Clouds

A

Altocumulus, altostratus

63
Q

Height for Mid Clouds

A

Above 6,500 ft to 23,000 ft

64
Q

Types of High Clouds

A

Cirrus, clouds with extensive vertical development, towering cumulonimbus

65
Q

Height for High Clouds

A

Above 23,000 ft

66
Q

Where do standing lenticulars form?

A

Over Mountains

67
Q

What shape are standing lenticulars?

A

Almond Shape

68
Q

What kind of weather is associated with standing lenticulars?

A

Very Bad

69
Q

What is a ceiling (layer)?

A

lowest, broken or overcast layer

70
Q

True vs Magnetic Winds

A

If you read it, its true. If you hear it, its magnetic.

71
Q

When will clouds or fog form?

A

When water vapor condenses

72
Q

What kind of air would you expect over a barren area on a hot day?

A

Thunderstorms

73
Q

When are METARS issued?

A

+55 past the hour

74
Q

How long are METARS valid for?

A

Hourly

FAA 107 (6 decks)

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