Line Items Stage 4: Flights 25-31 & Orals 22-31
1. What is a METAR: Aviation Routine Weather Report.
An observation of current surface weather reported in a standard international format.
2. A01: Automated observation without a precipitation discriminator
3. A02: Automated observation with a precipitation discriminator
4. VC indicates: wx within the vicinity of the airport, within 5-10 miles.
5. Automated reporting stations do not report clouds above ' in
METARs.: 12,000' AGL
6. PRESRR: Pressure rising rapidly
7. PRESFR: Pressure falling rapidly
8. Graphical METARs: METARs can be displayed on the MFD, depicted by a flag from the center of the airport
symbol.
VFR = Blue MVFR =
Green IFR = Yellow
LIFR = Pink
9. NOTAMs, Airspace updates, and Weather information provided to proper- ly-equipped aircraft with FIS-B
should be used: As information only, not to meet safety and regulatory requirements. Information may be up to 20-30
mins old.
10.What is a TAF?: A report established for the five statute mile radius around an airport, typically for larger
airports.
11.How frequently are TAFs updated, and how long are they valid?: Updated four times a day.
Valid for 24 or 30 hrs.
0000Z/0600Z/1200Z/1800Z
12.What are FAs?: Area Forecasts.
FAs give a picture of clouds, general weather conditions, and visual meteorological conditions expected over a large area
encompassing several states.
13.How frequently are FAs issues, and how long are they valid for?: Issues three times daily.
Valid for 18 hours.
14.What are FAs helpful for?: FAs give information vital to en route operations, as well as forecast information for
smaller airports that do not furnish TAFs.
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, Line Items Stage 4: Flights 25-31 & Orals 22-31
15.What is an FB?: Winds and Temperature Aloft Forecast
Provide winds and temps forecasts for specific locations throughout the U.S.
16.How frequently are winds and temps aloft reports furnished?: Twice a day, at 0000Z and 1200Z
17.If wind speed exceeds 99 knots in an FB report, how is it determined?: Read by applying following corrections:
-50 from direction
+100 to speed
18.What does the H indicate if depicted in the upper right corner of box?: Hazardous Inflight a VOR
Weather Advisory Service (HIWAS) is broadca VOR. st from
the
19.Inflight Weather Advisories: Weather advisories which are provided to en route aircraft, forecasts that detail
potentially hazardous weather.
20.What are AIRMETs: (WAs)
Inflight weather advisories that detail conditions that are particularly hazardous to light aircraft.
21.How often are AIRMETs issued, and how long are they valid for?: Issued every 6 hours
Valid for 6 hours, updated as needed.
22.What conditions are reported in AIRMETs?: S
- Widespread IFR
- Mountain obscuration
T
- Moderate turbulence
- Sfc winds >30kts <50kts
- LLWS
Z
- Freezing levels
- Moderate icing
23.What are SIGMETs?: Inflight weather advisories concerning non-convective weather that is potentially
hazardous to all aircraft.
2/
1. What is a METAR: Aviation Routine Weather Report.
An observation of current surface weather reported in a standard international format.
2. A01: Automated observation without a precipitation discriminator
3. A02: Automated observation with a precipitation discriminator
4. VC indicates: wx within the vicinity of the airport, within 5-10 miles.
5. Automated reporting stations do not report clouds above ' in
METARs.: 12,000' AGL
6. PRESRR: Pressure rising rapidly
7. PRESFR: Pressure falling rapidly
8. Graphical METARs: METARs can be displayed on the MFD, depicted by a flag from the center of the airport
symbol.
VFR = Blue MVFR =
Green IFR = Yellow
LIFR = Pink
9. NOTAMs, Airspace updates, and Weather information provided to proper- ly-equipped aircraft with FIS-B
should be used: As information only, not to meet safety and regulatory requirements. Information may be up to 20-30
mins old.
10.What is a TAF?: A report established for the five statute mile radius around an airport, typically for larger
airports.
11.How frequently are TAFs updated, and how long are they valid?: Updated four times a day.
Valid for 24 or 30 hrs.
0000Z/0600Z/1200Z/1800Z
12.What are FAs?: Area Forecasts.
FAs give a picture of clouds, general weather conditions, and visual meteorological conditions expected over a large area
encompassing several states.
13.How frequently are FAs issues, and how long are they valid for?: Issues three times daily.
Valid for 18 hours.
14.What are FAs helpful for?: FAs give information vital to en route operations, as well as forecast information for
smaller airports that do not furnish TAFs.
1/
, Line Items Stage 4: Flights 25-31 & Orals 22-31
15.What is an FB?: Winds and Temperature Aloft Forecast
Provide winds and temps forecasts for specific locations throughout the U.S.
16.How frequently are winds and temps aloft reports furnished?: Twice a day, at 0000Z and 1200Z
17.If wind speed exceeds 99 knots in an FB report, how is it determined?: Read by applying following corrections:
-50 from direction
+100 to speed
18.What does the H indicate if depicted in the upper right corner of box?: Hazardous Inflight a VOR
Weather Advisory Service (HIWAS) is broadca VOR. st from
the
19.Inflight Weather Advisories: Weather advisories which are provided to en route aircraft, forecasts that detail
potentially hazardous weather.
20.What are AIRMETs: (WAs)
Inflight weather advisories that detail conditions that are particularly hazardous to light aircraft.
21.How often are AIRMETs issued, and how long are they valid for?: Issued every 6 hours
Valid for 6 hours, updated as needed.
22.What conditions are reported in AIRMETs?: S
- Widespread IFR
- Mountain obscuration
T
- Moderate turbulence
- Sfc winds >30kts <50kts
- LLWS
Z
- Freezing levels
- Moderate icing
23.What are SIGMETs?: Inflight weather advisories concerning non-convective weather that is potentially
hazardous to all aircraft.
2/
