Weather Oral Questions

Question 1

What Conditions are Necessary for Structural Icing?

Answer 1

Visible moisture and below freezing temperatures at the point the moisture strikes the aircraft.

Question 2

Is Frost considered to be hazardous to Flight & why?

Answer 2

Yes, Loss of Lift

Question 3

What types of Weather Briefings are Available from a Flight service station?

Answer 3

1. Standard Briefing - Planning the flight
2. Abbreviated Briefing - Update STD
3. Outlook Briefing - 6 hours prior
4. Inflight briefing - Inflight

Question 4

What is HIWAS?

Answer 4

Hazardous inflight Weather advisory service

Question 5

What does HIWAS Provide?

Answer 5

Continuous Broadcast of Inflight weather advisories, etc. Aviation weather warnings, SIGMETS, Convective SIGMETS, AIRMETS, and Urgent PIREPS

Question 6

Is HIWAS Still in service?

Answer 6

No

Question 7

what is a METAR?

Answer 7

Meteorological Aerodrome Report Which updates every 20 minutes or hourly; sooner based on surface conditions observed at the airport

Question 8

what is a TAF?

Answer 8

Terminal Aerodrome Forecast - aviation forecast weather in a radius of 5sm of an airport valid between 24/36 hours and updated 4 times a day 0000z, 0600z, 1200z 1800z

Question 9

What is a Convective Sigmet?

Answer 9

An area forecast (FA) associated with Convective activity; Tornados, Embedded and lines of Thunderstorms, Severe or greater turbulence, Severe Icing and Low-level Windshear.

Question 10

Who does a Convective SIGMET concern?

Answer 10

All aircraft

Question 11

How long are Convective SIGMETs Valid for?

Answer 11

2 hours

Question 12

What is a SIGMET?

Answer 12

Significant Meteorological Report
Non-Convective weather hazardous to all aircraft

Question 13

How long are SIGMETS issued?

Answer 13

4 hours

Question 14

What is included in a SIGMET?

Answer 14

Extreme Turbulence, Clear air turbulence, Severe Icing, Dust storms, Volcanic Ashe

Question 15

What is an AIRMET?

Answer 15

Airman meterological report, which may pose hazards to VFR Traffic, and aircraft under 12,500lbs MGTOW

Question 16

What types of AIRMETs are there?

Answer 16

1. Sierra - IFR or mountain obscuration
2. Tango - Moderate to Severe Turbulence?
3. Zulu - Icing and freezing levels

Question 17

Tell me about winds a loft and temperature forecast?

Answer 17

This service helps pilots find favorable altitudes Temperature inversions, and avoid turbulence and icing conditions

Question 18

Define and describe Low IFR

Answer 18

Low Instrument Flight Rules

less than 1sm Visibility and at or below 500’ ceilings

Question 19

Define and describe IFR

Answer 19

Instrument flight rules

less than 2sm Visibility and at or below 1,000’ ceilings

Question 20

Define and Describe MVFR

Answer 20

Marginal Visual Flight Rules

between 3-5 sm visibility 1,000’-3.000’ ceilings

Question 21

Define and Describe VFR

Answer 21

Visual Flight Rules

Greater than 5sm Visiblity and no ceiling or greater than 3,000’

Question 22

what is ASOS

Answer 22

Automated Service Observing system

Question 22

List different types of weather information available to pilots

Answer 22

METARs, Winds aloft and Temperature forecast, TAFs and ATIS reports, ASOS, Inflight weather advisories,

Question 23

What is ATIS?

Answer 23

Automated Terminal information Service

Question 24

What is AWOS

Answer 24

Automated Weather Obersvation system

Question 25

What does AWOS A consist of?

Answer 25

Measures and Reports Altimeter Only

Question 26

What does AWOS AV consist of?

Answer 26

Consist of AWOS A and Visibility

Question 27

What does AWOS - 1 consist of?

Answer 27

Wind data, direction velocity, Temps/Dewpoint, altimeter and density altitude

Question 28

What does AWOS - 2 consist of?

Answer 28

Consist of AWOS - 1 and visiblity

Question 29

What does AWOS - 3 consist of?

Answer 29

Does everything in AWOS 2 plus precipitation accumulation and Optional sensors for thunderstorms

Question 30

AWOS 4

Answer 30

reports all of AWOS 3PT and freezing rain

Question 31

What are the basic VFR Weather minimums in Class E under 10,000' MSL

Answer 31

3sm Visibility 500 feet below, 1000 feet above, 2000 feet Horizontal

Question 32

Define a ceiling

Answer 32

From the height above the surface the lowest layer of cloud indicating coverage of BKN, OVC, Obscuration and not classified as thin or partial

Question 33

what weather constitutes the rotating beacon to be in operation during daylight?

Answer 33

When IFR conditions exist; Below 3 sm visibility and Ceilings below 1,000'

Question 34

What does a small Temperature/Dew point Spread mean to you?

Answer 34

Visible moisture in the form of clouds, dew, or fog Ideal Conditions for Carburetor Icing

Question 35

What is the Major Difference between Convective SIGMETs and SIGMETs?

Answer 35

Convective SIGMETs are associated with Thunderstorms

Question 36

Are AIRMETs directed towards all aircraft?

Answer 36

No, directed towards Small aircraft (MGTOW below 12,001lbs)

Question 37

Scenario; you are not on an IFR flight plan and you inadvertently fly into clouds what do you do?

Answer 37

Situate yourself and transition to IFR flight, make a 180 degree standard rate turn to exit the IMC. Contact ATC to Pick up IFR clearance

Question 39

When was HIWAS discontinued and why?

Answer 39

January 8th 2020, in favor of FIS-B