FAA Aircraft Dispatcher Practical Exam
Questions and Correct Answers
Question 1
What person(s) are responsible for operational control of each flight under Part 121
Domestic rules?
Correct Answer
PIC and Dispatcher
Question 2
How many hydraulic systems does the B727 have? What are they?
Correct Answer
Two. System A and System B.
Question 3
What is the relationship between isobars and surface winds?
Correct Answer
The closer the isobars are together, the stronger the winds will be.
Question 4
Describe Clear ice
Correct Answer
Hard, heavy, tenacious, and glossy. Hard to remove/detect
Page 1 of 39
,Question 5
Define dry line
Correct Answer
A dry line is a boundary that separates a moist air mass from a dry air mass. Also
called a "Dew Point Front", sharp changes in dew point temperature can be
observed across a dry line.
Question 6
Under what circumstances is a takeoff alternate required? What requirements must be
met in order to list an airport as a takeoff alternate?
Correct Answer
When either the visibility or the ceiling is is less than the available instrument
approaches to be used to return to the airport if necessary after takeoff.
2 engines or fewer - 1SM visibility is required for takeoff.
3 engines or greater - 1/2SM is required for takeoff.
Question 7
How is the missed approach point depicted on the approach plate for a precision
approach?
Correct Answer
Upon reaching the decision height - dashed line curving up.
Question 8
What is a MOCA?
Correct Answer
MOCA = Minimum obstacle clearance altitude
Question 9
What is a contaminated runway?
Correct Answer
A runway with Snow Ice or water.
Page 2 of 39
,Question 10
As an aircraft dispatcher, what considerations do you need to make if the APU is
inop?
Correct Answer
Make sure that external electrical and pneumatic power (GPU/Air start) are available
at all airports of intended operation
Question 11
What is a CDL?
Correct Answer
Configuration Deviation List. A list which states which items are missing from the
aircraft which are nonessential for flight.
Question 12
If a dispatcher knows of a situation requiring immediate action, what should he/she
do first?
Correct Answer
Contact the PIC and or the appropriate ATC facility.
Question 13
How often are Radar summery charts issued?
Correct Answer
Radar summary charts are issued every hour.
Page 3 of 39
, Question 14
When do icing conditions exist on the ground, according to Boeing?
Correct Answer
OAT
Question 15
What are FDC NOTAMs?
Correct Answer
Pertains to amendments to published approach procedures and aeronautical
chart changes that occur between normal update cycles
Question 16
What is the operational service volume of a high VOR?
Correct Answer
H (High Altitude) From 1,000 feet AGL up to and including 14,500 feet AGL at
radial distances out to 40 NM. From 14,500 AGL up to and including 18,000 feet
at radial distances out to 100 NM. From 18,000 feet AGL up to and including
45,000 feet AGL at radial distances out to 130 NM. From 45,000 feet AGL up to
and including 60,000 feet at radial distances out to 100 NM.
Question 17
How many flight attendants are required for the B727? Find in FARs
Correct Answer
FAR 121.391
Depending on the seating capacity, 3-4.
100 Seats = 2
101-150 = 3
151-200 = 4
Page 4 of 39
Questions and Correct Answers
Question 1
What person(s) are responsible for operational control of each flight under Part 121
Domestic rules?
Correct Answer
PIC and Dispatcher
Question 2
How many hydraulic systems does the B727 have? What are they?
Correct Answer
Two. System A and System B.
Question 3
What is the relationship between isobars and surface winds?
Correct Answer
The closer the isobars are together, the stronger the winds will be.
Question 4
Describe Clear ice
Correct Answer
Hard, heavy, tenacious, and glossy. Hard to remove/detect
Page 1 of 39
,Question 5
Define dry line
Correct Answer
A dry line is a boundary that separates a moist air mass from a dry air mass. Also
called a "Dew Point Front", sharp changes in dew point temperature can be
observed across a dry line.
Question 6
Under what circumstances is a takeoff alternate required? What requirements must be
met in order to list an airport as a takeoff alternate?
Correct Answer
When either the visibility or the ceiling is is less than the available instrument
approaches to be used to return to the airport if necessary after takeoff.
2 engines or fewer - 1SM visibility is required for takeoff.
3 engines or greater - 1/2SM is required for takeoff.
Question 7
How is the missed approach point depicted on the approach plate for a precision
approach?
Correct Answer
Upon reaching the decision height - dashed line curving up.
Question 8
What is a MOCA?
Correct Answer
MOCA = Minimum obstacle clearance altitude
Question 9
What is a contaminated runway?
Correct Answer
A runway with Snow Ice or water.
Page 2 of 39
,Question 10
As an aircraft dispatcher, what considerations do you need to make if the APU is
inop?
Correct Answer
Make sure that external electrical and pneumatic power (GPU/Air start) are available
at all airports of intended operation
Question 11
What is a CDL?
Correct Answer
Configuration Deviation List. A list which states which items are missing from the
aircraft which are nonessential for flight.
Question 12
If a dispatcher knows of a situation requiring immediate action, what should he/she
do first?
Correct Answer
Contact the PIC and or the appropriate ATC facility.
Question 13
How often are Radar summery charts issued?
Correct Answer
Radar summary charts are issued every hour.
Page 3 of 39
, Question 14
When do icing conditions exist on the ground, according to Boeing?
Correct Answer
OAT
Question 15
What are FDC NOTAMs?
Correct Answer
Pertains to amendments to published approach procedures and aeronautical
chart changes that occur between normal update cycles
Question 16
What is the operational service volume of a high VOR?
Correct Answer
H (High Altitude) From 1,000 feet AGL up to and including 14,500 feet AGL at
radial distances out to 40 NM. From 14,500 AGL up to and including 18,000 feet
at radial distances out to 100 NM. From 18,000 feet AGL up to and including
45,000 feet AGL at radial distances out to 130 NM. From 45,000 feet AGL up to
and including 60,000 feet at radial distances out to 100 NM.
Question 17
How many flight attendants are required for the B727? Find in FARs
Correct Answer
FAR 121.391
Depending on the seating capacity, 3-4.
100 Seats = 2
101-150 = 3
151-200 = 4
Page 4 of 39
