ATC Basics Module 25 Forecasts and
Advisories Exam Questions and Answers
(Latest 2026)
A concise statement of the expected meteorological
conditions significant to aviation for a specified time period
within 5 SM of an Airport that is used to anticipate weather
changes that will affect aircraft operations at specified
terminals. - Correct Answers ✅Terminal Aerodrome
Forecast (TAF) (L25,P1)
Who issues TAFs? - Correct Answers ✅the National
Weather Service (NWS) (L25,P2)
TAFS forecast what? - Correct Answers ✅Wind, vis,
significant wx, cloud and vertical obscuration and non
convective low level wind.
What is not included in TAFs? - Correct Answers
✅Temp/dew point, altimeter and remarks are not included.
(L25,P2)
In the US ___________ hour TAFS are only issued for airports
with ______________. - Correct Answers ✅30 hours,
significant international travel. (L25,P4)
TAF ending hour is midnight UTC its coded how? - Correct
Answers ✅24 (L25,P4)
, ATC Basics Module 25 Forecasts and
Advisories Exam Questions and Answers
(Latest 2026)
The _____________ change indicator group is used to indicate
significant and rapid change to a new set of prevailing
conditions. - Correct Answers ✅FM (from) (L25,P8)
The ______________ change indicator group is used to indicate
temporary fluctuations to forecast meteorological conditions.
- Correct Answers ✅TEMPO (L25,P9)
The _____________ group is used to forecast a low probability
(30%) of a T-Storm or precip event and its associated WX
elements. - Correct Answers ✅PROB30 (L25,P10)
SIGMETS, Convective SIGMETS and AIRMETS are - Correct
Answers ✅IN-Flight advisories. (L25,P13)
A ________________ is a wx advisory concerning wx significant
to the safety of all a/c. - Correct Answers ✅SIGMET
(L25,P13)
A SIGMET is issued when the conditions are expects to affect
an area of at least _______________ square miles or an area
judged to have significant impact on the safety of aircraft
operations. - Correct Answers ✅3,000 (L25,P13)
Advisories Exam Questions and Answers
(Latest 2026)
A concise statement of the expected meteorological
conditions significant to aviation for a specified time period
within 5 SM of an Airport that is used to anticipate weather
changes that will affect aircraft operations at specified
terminals. - Correct Answers ✅Terminal Aerodrome
Forecast (TAF) (L25,P1)
Who issues TAFs? - Correct Answers ✅the National
Weather Service (NWS) (L25,P2)
TAFS forecast what? - Correct Answers ✅Wind, vis,
significant wx, cloud and vertical obscuration and non
convective low level wind.
What is not included in TAFs? - Correct Answers
✅Temp/dew point, altimeter and remarks are not included.
(L25,P2)
In the US ___________ hour TAFS are only issued for airports
with ______________. - Correct Answers ✅30 hours,
significant international travel. (L25,P4)
TAF ending hour is midnight UTC its coded how? - Correct
Answers ✅24 (L25,P4)
, ATC Basics Module 25 Forecasts and
Advisories Exam Questions and Answers
(Latest 2026)
The _____________ change indicator group is used to indicate
significant and rapid change to a new set of prevailing
conditions. - Correct Answers ✅FM (from) (L25,P8)
The ______________ change indicator group is used to indicate
temporary fluctuations to forecast meteorological conditions.
- Correct Answers ✅TEMPO (L25,P9)
The _____________ group is used to forecast a low probability
(30%) of a T-Storm or precip event and its associated WX
elements. - Correct Answers ✅PROB30 (L25,P10)
SIGMETS, Convective SIGMETS and AIRMETS are - Correct
Answers ✅IN-Flight advisories. (L25,P13)
A ________________ is a wx advisory concerning wx significant
to the safety of all a/c. - Correct Answers ✅SIGMET
(L25,P13)
A SIGMET is issued when the conditions are expects to affect
an area of at least _______________ square miles or an area
judged to have significant impact on the safety of aircraft
operations. - Correct Answers ✅3,000 (L25,P13)
