AIRMET

Question 1

This is a descriptive aviation forecast covering different regions, and which is updated several times a day

Answer 1

Airmen’s Meteorological Information (AIRMET)

Question 2

AIRMET’s Purpose is that it advises pilots of the occurence or expected occurrence of specified ________ ____________ ____________ which may affect the safety of ________________ ____________ ____________ and which were not already included in the forecast issued for low-level flights in the FIR

Answer 2

AIRMET’s Purpose is that it advices pilots of the occurrence or expected occurrence of specified en-route weather phenomena which may affect the safety of low-level aircraft operations and which were not already included in the forecast issued for low-level flights in the FIR

Question 3

What are the weather phenomenas that call for the issuance of AIRMET?

Answer 3

• Surface Wind Speed (Above 30KT)
• Surface Visibility
• Thunderstorm
• Mountain Obscuration
• Cumulonimbus Clouds
• Towering Cumulus Clouds
• Icing (Moderate Icing)
• Turbulence
• Mountain Wave

Question 4

Abbreviation for Surface Wind Speed

Answer 4

SFC WIND (+wind direction and speed)

Question 5

Abbreviation for Surface Visibility

Answer 5

SFC VIS (+visibility) (+weather phenomenon or combination thereof: BR, DS, DU, DZ, FC, FG, FU, GR, GS, HZ, PL, PO, RA, SA, SG, SN, SQ, SS, OR VA)

Question 6

Abbreviation for Thunderstorm

Answer 6

ISOL TS (Isolated Thunderstorm), OCNL TS (Occasional Thunderstorm)

Question 7

Abbreviation for Mountain Obscuration

Answer 7

BKN CLD (+height of the base and top and units), OVC CLD

Question 8

Abbreviation for Cumulonimbus Clouds

Answer 8

ISOL CB, OCNL CB, FRQ CB

Question 9

Abbreviation for Towering Cumulus Clouds

Answer 9

ISOL TCU, OCNL TCU, FRQ TCU

Question 10

Abbreviation for Icing (Moderate Icing)

Answer 10

MOD IC

Question 11

Abbreviation for Turbulence (Moderate Turbulence)

Answer 11

MOD TB

Question 12

Abbreviation for Mountain Wave (Moderate Mountain Wave)

Answer 12

MOD MTW

Question 13

AIRMET information shall be issued by who?

Answer 13

Meteorological Watch Office

Question 14

AIRMET are for air traffic operating below ______

Answer 14

FL100A

Question 15

AIRMET validity shall be not more than __________, and preferably not more than __ hours.

Answer 15

6 hours, 4 hours

Question 16

TRUE OR FALSE. AIRMET shall be canceled when the phenomena are no longer occurring or are no longer expected to occur in the area.

Answer 16

True

Question 17

These are advisories of significant weather phenomena but describe conditions at intensities lower than those which require the issuance of SIGMETs

Answer 17

AIRMET

Question 18

What are the two formats for AIRMET?

Answer 18

WA and G-AIRMET

Question 19

What are the three types of AIRMET?

Answer 19

SIERRA, TANGO, ZULU

Question 20

This describes IFR conditions and/or extensive mountain obscuration

Answer 20

SIERRA

Question 21

This describes moderate turbulence, sustained surface winds of 30 knots or greater, and low-level wind shear

Answer 21

TANGO

Question 22

This describes moderate icing and provides freezing level heights

Answer 22

ZULU

Question 23

This is a continuous broadcast of recorded non-control information in selected high-activity terminal areas.

Answer 23

Automatic Terminal Information Service (ATIS)

Question 24

What are the information that ATIS include?

Answer 24

1. Airport/Facility Name
2. Phonetic Letter code
3. Time of the latest weather sequence (UTC)
4. Weather information consisting of:
   a. Wind direction and velocity
   b. Visibility
   c. Obstruction to vision
   d. Present weather
5. Instrument approach and RWY in use

Question 25

VOLMET is derived from the french words _____ (Flight) and _____ (weather)

Answer 25

Vol and meteo

Question 26

What are the weather information VOLMET provides to aircraft in flight?

Answer 26

- Terminal Aerodrome Forecast - Significant Meteorological Information - Aviation Routine Weather Report