EXAMINATION SET UPDATED 100%
CORRECT.
◉ What is the effective detection range of a radar weather report?
Answer: 80-140 NM.
◉ In clear air mode, how often do radar weather reports transmit data?
Answer: Every 10 minutes.
◉ In precip mode, how often do radar weather reports transmit?
Answer: Every 4-6 minutes.
◉ What do Pilot Weather Reports (PIREP) provide? Answer: Valuable
information regarding the conditions as they actually exist.
◉ What should pilots do when unexpected weather conditions are
encountered? Answer: Make a PIREP report to a FSS or ATC.
◉ What is a UA? Answer: A routine PIREP.
◉ What is a UUA? Answer: An urgent PIREP.
,◉ How is a PIREP formatted? Answer: Station identifier type,
Location, Time, Flight Level (Altitude), Type of aircraft, Remarks.
◉ What is the TAF report established for? Answer: The five statute mile
radius around an airport.
◉ What type of airports are TAFs usually for? Answer: Larger airports.
◉ How long is a TAF valid for? Answer: 24-30 hour time period.
◉ How often is a TAF updated? Answer: Four times a day (0000z,
0600Z, 1200Z, and 1800Z).
◉ What other report uses the same descriptors and abbreviations as a
TAF? Answer: METAR report.
◉ What is the purpose of the graphical forecast for aviation (GFA) web
page? Answer: To provide the necessary aviation weather information to
give users a complete picture of the weather that may impact flight in the
U.S.
◉ What does the GFA web page include? Answer: Observational data,
forecasts, and warnings.
, ◉ What is the time range for GFA warnings? Answer: 14 hours in the
past to 18 hours in the future.
◉ What do GFA warnings include? Answer: Thunderstorms, clouds,
flight category, precipitation, icing, turbulence, and wind.
◉ How often are GFA model data and forecasts available? Answer:
Hourly.
◉ What do GFA forecasts provide every 3,000ft from the surface to
30,000ft? Answer: Wind, Icing, and turbulence.
◉ How often are GFA forecasts available from 30,000 MSL to 48,000
MSL? Answer: Every 6,000 ft.
◉ What are GFA turbulence forecasts broken into? Answer: LO (below
18,000 MSL) and HI (at or above 18,000 MSL).
◉ What type of graphics are always available regardless of altitude?
Answer: Maximum icing graphics and wind velocity graphics.
◉ What is a Helicopter Emergency Medical Services (HEMS) Tool?
Answer: A tool specifically designed to show weather conditions for
short distance and low-altitude flights for the helicopter emergency
medical services community.