AAAE ACE OPERATIONS MODULE 2 SECURITY TRAINING
COURSE 2026 LATEST UPDATE QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+
When are taxiway edge reflectors appropriate? - ANS-Can be used when a centerline lighting
system is in use or when needed to enhance taxiway lighting.
When are runway centerline lights required? - ANS-CAT II and III; CAT I landing below 2,400ft
RVR; takeoffs below 1,600ft RVR; recommended for CAT I when runway width is >170ft or
approach speeds are >140kts
What color are runway centerline lights? - ANS-white until 3,000ft remaining and then
white/red alternating until 1,000ft remaining, then red to the end of runway
What spacing requirements exist for centerline runway lights? - ANS-uniformly centered within
2.5ft of the runway centerline at 50ft intervals
How are touchdown zone lights arranged? - ANS-two rows of light bars with 3 unidirectional
lights each, facing the threshold; start 100 feet from the threshold and continue to 3,000ft
down the runway or one-half the runway length for runways <6,000ft
What color are taxiway centerline lights? - ANS-green; when used as a runway lead-in or lead-
off line, green/yellow alternating; for lead-off lights, the last yellow is one light position
beyond the runway or ILS hold line
What color are runway guard lights? - ANS-yellow; can be alternately illuminated in-pavement
or two alternately illuminated elevated lights (wigwags)
, What are stop bars and when are they needed? - ANS-a row of in-pavement red lights and a
single red light on either side of the taxiway; used to control runway access during low
visibility conditions (<600ft RVR)
When are clearance bars used? - ANS-a line of three in-pavement lights indicating a hold point
for low visibility operations or to indicate an upcoming taxiway intersection
What is indicated by a row of 6 or 7 in-pavement pulsating white lights on the runway? - ANS-a
hold position for land and hold short operations (LAHSO)
How is an airport beacon configured? - ANS-two lights 180 degrees apart; white/green for civil
airports; green flashes 24-30 times per minute; mounted higher than the surrounding
obstacles
Where are wind cones located? - ANS-at least one on the airport, lighted if night carrier
operations occur; additional cones placed so that every takeoff and landing runway has a
cone visible to pilots
When is an obstruction light required? - ANS-at night or during limited visibility when the
obstruction is deemed to present a potential hazard to air traffic
How many sequenced flashing lights (rabbit lights) are there? - ANS-five lights that extend past
the 1,000ft mark of the approach lights
Describe the MALSF lighting system. - ANS-Medium-Intensity Approach Lighting System with
Sequence Flashing Lights: 1400ft; 9 light bars each with 5 steady burning white fixtures, 5
sequence flashing white fixtures, and threshold bar of 18 steady burning green fixtures.
What type of approach lighting system is required for ILS CAT II and III approaches? - ANS-ALSF-
1 or 2 (approach lighting system with sequenced flashers)
COURSE 2026 LATEST UPDATE QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+
When are taxiway edge reflectors appropriate? - ANS-Can be used when a centerline lighting
system is in use or when needed to enhance taxiway lighting.
When are runway centerline lights required? - ANS-CAT II and III; CAT I landing below 2,400ft
RVR; takeoffs below 1,600ft RVR; recommended for CAT I when runway width is >170ft or
approach speeds are >140kts
What color are runway centerline lights? - ANS-white until 3,000ft remaining and then
white/red alternating until 1,000ft remaining, then red to the end of runway
What spacing requirements exist for centerline runway lights? - ANS-uniformly centered within
2.5ft of the runway centerline at 50ft intervals
How are touchdown zone lights arranged? - ANS-two rows of light bars with 3 unidirectional
lights each, facing the threshold; start 100 feet from the threshold and continue to 3,000ft
down the runway or one-half the runway length for runways <6,000ft
What color are taxiway centerline lights? - ANS-green; when used as a runway lead-in or lead-
off line, green/yellow alternating; for lead-off lights, the last yellow is one light position
beyond the runway or ILS hold line
What color are runway guard lights? - ANS-yellow; can be alternately illuminated in-pavement
or two alternately illuminated elevated lights (wigwags)
, What are stop bars and when are they needed? - ANS-a row of in-pavement red lights and a
single red light on either side of the taxiway; used to control runway access during low
visibility conditions (<600ft RVR)
When are clearance bars used? - ANS-a line of three in-pavement lights indicating a hold point
for low visibility operations or to indicate an upcoming taxiway intersection
What is indicated by a row of 6 or 7 in-pavement pulsating white lights on the runway? - ANS-a
hold position for land and hold short operations (LAHSO)
How is an airport beacon configured? - ANS-two lights 180 degrees apart; white/green for civil
airports; green flashes 24-30 times per minute; mounted higher than the surrounding
obstacles
Where are wind cones located? - ANS-at least one on the airport, lighted if night carrier
operations occur; additional cones placed so that every takeoff and landing runway has a
cone visible to pilots
When is an obstruction light required? - ANS-at night or during limited visibility when the
obstruction is deemed to present a potential hazard to air traffic
How many sequenced flashing lights (rabbit lights) are there? - ANS-five lights that extend past
the 1,000ft mark of the approach lights
Describe the MALSF lighting system. - ANS-Medium-Intensity Approach Lighting System with
Sequence Flashing Lights: 1400ft; 9 light bars each with 5 steady burning white fixtures, 5
sequence flashing white fixtures, and threshold bar of 18 steady burning green fixtures.
What type of approach lighting system is required for ILS CAT II and III approaches? - ANS-ALSF-
1 or 2 (approach lighting system with sequenced flashers)
