IRA Review Questions and Answers
what effect will a change in wind direction have upon maintaining a 3 degree glide slope at a constant
true speed?
a. rate of descent must be constant to remain on the GS
b. when GS decreases, rate of descent must increase
c. when GS increases, rate of descent must increase - Answer-c. when GS increases, rate of descent
must increase
under which condition does advection fog usually form?
a. a land breeze blowing a cold air mass over a warm water current
b. warm, moist air settling over a cool surface under no wind conditions
c. most air moving over colder ground or water - Answer-c. most air moving over colder ground or
water
which conditions are favorable for the formation of radiation fog?
a. clear sky, little or no wind, small temperature/DP spread, and over a land surface
b. moist air moving over colder ground or water
c. cloudy sky and light wind moving saturated warm air over a cool surface - Answer-a. clear sky, little or
no wind, small temperature/DP spread, and over a land surface
interpret this PIREP
MRB UA/OV MRB/TM1430/FL060/TPC182/SK BKN BL/WX RA/TB MDT
, a. ceiling 6000ft intermittently below moderate thundershowers , turbulence increasing westward
b. at 6000ft between layers moderate turbulence, moderate rain
c. fl 60000 intermittently below clouds, moderate rain, turbulence increasing with the wind - Answer-b.
at 6000ft between layers moderate turbulence, moderate rain
what meteorological conditions are depicted by prognostic chart?
a. interpretation of weather conditions for geographical areas between reporting stations
b. conditions existing at the time of the observation
c. conditions forecast to exist at a specific time shown on the chart - Answer-c. conditions forecast to
exist at a specific time shown on the chart
what information is provided by a convective outlook?
a. indicates areas of probable convective turbulence and the extent of instability in the upper
atmosphere
b. it defines areas of slight, moderate, and high risk of severe and general thunderstorm activity.
c. it provides prospects of general thunderstorms activity during the following 24hr - Answer-b. it
defines areas of slight, moderate, and high risk of severe and general thunderstorm activity.
which range facility associated with the ILS can be identified by a two letter coded signal?
a. outer marker
b. compass locator
c. middle marker - Answer-b. compass locator
which of these facilities may be substituted for an MM during complete ILS IAP?
a. VOR/DME fix
b. surveillance and precision radar
c. compass locator and precision radar - Answer-c. compass locator and precision radar
what effect will a change in wind direction have upon maintaining a 3 degree glide slope at a constant
true speed?
a. rate of descent must be constant to remain on the GS
b. when GS decreases, rate of descent must increase
c. when GS increases, rate of descent must increase - Answer-c. when GS increases, rate of descent
must increase
under which condition does advection fog usually form?
a. a land breeze blowing a cold air mass over a warm water current
b. warm, moist air settling over a cool surface under no wind conditions
c. most air moving over colder ground or water - Answer-c. most air moving over colder ground or
water
which conditions are favorable for the formation of radiation fog?
a. clear sky, little or no wind, small temperature/DP spread, and over a land surface
b. moist air moving over colder ground or water
c. cloudy sky and light wind moving saturated warm air over a cool surface - Answer-a. clear sky, little or
no wind, small temperature/DP spread, and over a land surface
interpret this PIREP
MRB UA/OV MRB/TM1430/FL060/TPC182/SK BKN BL/WX RA/TB MDT
, a. ceiling 6000ft intermittently below moderate thundershowers , turbulence increasing westward
b. at 6000ft between layers moderate turbulence, moderate rain
c. fl 60000 intermittently below clouds, moderate rain, turbulence increasing with the wind - Answer-b.
at 6000ft between layers moderate turbulence, moderate rain
what meteorological conditions are depicted by prognostic chart?
a. interpretation of weather conditions for geographical areas between reporting stations
b. conditions existing at the time of the observation
c. conditions forecast to exist at a specific time shown on the chart - Answer-c. conditions forecast to
exist at a specific time shown on the chart
what information is provided by a convective outlook?
a. indicates areas of probable convective turbulence and the extent of instability in the upper
atmosphere
b. it defines areas of slight, moderate, and high risk of severe and general thunderstorm activity.
c. it provides prospects of general thunderstorms activity during the following 24hr - Answer-b. it
defines areas of slight, moderate, and high risk of severe and general thunderstorm activity.
which range facility associated with the ILS can be identified by a two letter coded signal?
a. outer marker
b. compass locator
c. middle marker - Answer-b. compass locator
which of these facilities may be substituted for an MM during complete ILS IAP?
a. VOR/DME fix
b. surveillance and precision radar
c. compass locator and precision radar - Answer-c. compass locator and precision radar
