AAAE ACE OPERATIONS MODULE 3 EXAM 2026
LATEST UPDATE QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+
A 3 degree glideslope produces what slope ratio? - ANS-30:1
Where is the glideslope antennae typically located? - ANS-at about 1,000ft down the runway
alongside the aiming point and at least 250ft on either side of the runway
What are the dimensions of the glideslope critical area? - ANS-500ft wide by 1,200ft long in
front of the antennae
Where is the inner marker for an ILS located? - ANS-1,000ft short of the threshold
Where is the decision height for an ILS typically located? - ANS-At the middle marker, which is
2,000-6,000ft short of the threshold; this places an aircraft on the glidepath at 200ft
What effective range is associated a terminal VOR? Low altitude VOR? - ANS-25 NM; 40NM
What are the dimensions of the VOR protection zone? - ANS-a radius of 750 to 1,000ft around
the VOR
What equipment uses a signal transmitted from the aircraft to a ground station to determine
distance from the station? - ANS-distance measuring equipment (DME)
What ground-based system augments satellite coverage to allow category I GPS instrument
approaches? - ANS-Wide Area Augmentation System (WAAS)
, What is required to allow GPS approaches to be CAT II or III? - ANS-A local ground-based
transmitter known as a Local Area Augmentation System
What is the radius of the critical area around most radars? - ANS-1,000ft
What Doppler radar system, installed at various locations on an airport, provides information on
windshear type, location and intensity? - ANS-Low Level Windshear Alert System (LLWAS)
What system displays information from the LLWAS and Terminal Doppler Weather Radar? - ANS-
The Integrated Terminal Weather Radar System (ITWAS)
What system, installed in the local vicinity of airports, uses several sources of data to detect and
predict lightning strikes? - ANS-Precision Lightning Warning System (PLWS)
What system helps predict the water content of approaching snow to better predict the
potential severity of ice and snow conditions at an airport? - ANS-Weather Support to Deicing
Decision Making (WSDDM)
What weather radar system helps detect and predict not only precipitation, but also wind-shear
and severe weather at an airport? - ANS-Next-Generation Radar (NEXRAD); when installed at
the airport it is known as Terminal Doppler Weather Radar (TDWR)
How far is the transmission from an ASOS or AWOS designed to reach? - ANS-25NM and up to
10,000ft
What is considered the primary weather observing system in the U.S.? - ANS-Automated
Surface Observing System (ASOS) / Automated Weather Sensor System (AWSS)
LATEST UPDATE QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+
A 3 degree glideslope produces what slope ratio? - ANS-30:1
Where is the glideslope antennae typically located? - ANS-at about 1,000ft down the runway
alongside the aiming point and at least 250ft on either side of the runway
What are the dimensions of the glideslope critical area? - ANS-500ft wide by 1,200ft long in
front of the antennae
Where is the inner marker for an ILS located? - ANS-1,000ft short of the threshold
Where is the decision height for an ILS typically located? - ANS-At the middle marker, which is
2,000-6,000ft short of the threshold; this places an aircraft on the glidepath at 200ft
What effective range is associated a terminal VOR? Low altitude VOR? - ANS-25 NM; 40NM
What are the dimensions of the VOR protection zone? - ANS-a radius of 750 to 1,000ft around
the VOR
What equipment uses a signal transmitted from the aircraft to a ground station to determine
distance from the station? - ANS-distance measuring equipment (DME)
What ground-based system augments satellite coverage to allow category I GPS instrument
approaches? - ANS-Wide Area Augmentation System (WAAS)
, What is required to allow GPS approaches to be CAT II or III? - ANS-A local ground-based
transmitter known as a Local Area Augmentation System
What is the radius of the critical area around most radars? - ANS-1,000ft
What Doppler radar system, installed at various locations on an airport, provides information on
windshear type, location and intensity? - ANS-Low Level Windshear Alert System (LLWAS)
What system displays information from the LLWAS and Terminal Doppler Weather Radar? - ANS-
The Integrated Terminal Weather Radar System (ITWAS)
What system, installed in the local vicinity of airports, uses several sources of data to detect and
predict lightning strikes? - ANS-Precision Lightning Warning System (PLWS)
What system helps predict the water content of approaching snow to better predict the
potential severity of ice and snow conditions at an airport? - ANS-Weather Support to Deicing
Decision Making (WSDDM)
What weather radar system helps detect and predict not only precipitation, but also wind-shear
and severe weather at an airport? - ANS-Next-Generation Radar (NEXRAD); when installed at
the airport it is known as Terminal Doppler Weather Radar (TDWR)
How far is the transmission from an ASOS or AWOS designed to reach? - ANS-25NM and up to
10,000ft
What is considered the primary weather observing system in the U.S.? - ANS-Automated
Surface Observing System (ASOS) / Automated Weather Sensor System (AWSS)
