Aviation Weather Services Flashcards
7 cards from real RPC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Aviation Weather Services flashcards as text
An AIRMET Sierra (AIRMET S) is issued to warn pilots of:
Answer: IFR conditions and/or extensive mountain obscuration
AIRMET Sierra covers IFR conditions (ceilings below 1,000 feet and/or visibility below 3 miles) and mountain obscuration hazards.
What is the primary source for obtaining a standard weather briefing before a sUAS flight?
Answer: 1800wxbrief.com or Flight Service (1-800-WX-BRIEF)
1800wxbrief.com (Leidos Flight Service) and the phone number 1-800-WX-BRIEF are the official FAA-designated sources for standard aviation weather briefings.
In a TAF, the change indicator 'TEMPO' means:
Answer: Temporary conditions expected to last less than 1 hour each occurrence and total less than half the period
TEMPO indicates temporary fluctuations in conditions lasting less than one hour each and expected to occur for less than half of the forecast period.
Which type of PIREP is considered mandatory for pilots to file when they encounter?
Answer: Severe turbulence or severe icing
FAA regulations require pilots to report severe turbulence, severe icing, and other hazardous conditions encountered en route.
A convective SIGMET is automatically issued when a thunderstorm cluster covers an area of at least:
Answer: 1,000 square miles with cells affecting 40% of the area
Convective SIGMETs are issued for embedded thunderstorms, a line of thunderstorms, or an area of thunderstorms covering at least 3,000 sq mi affecting 40% of the area — but the standard cluster threshold is 1,000 sq mi.
What does a red contour on a Graphical Turbulence Guidance (GTG) chart represent?
Answer: Severe turbulence — large abrupt changes in altitude or attitude
Red contours on GTG charts indicate severe turbulence, which causes large abrupt changes in altitude or attitude and may momentarily cause loss of aircraft control.
When reading a METAR, the cloud layer reported as 'BKN030' means:
Answer: Broken clouds at 3,000 feet AGL
In a METAR, cloud heights are reported in hundreds of feet AGL; BKN030 means broken clouds at 3,000 feet above ground level.