CATEGORY 11 AERIAL APPLICATION EXAM
2026 UPDATE QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+
(BRAND NEW VISION)
Throughout spraying what can on board computers collect? - ans-Data to construct
records for customer billing, environmental reporting and GPS data analysis.
Modern on board DGPS computers enable precision spray boom operation through the
use of what? - ans-Electronically regulated flow controllers, which change the
application rate based upon air speed.
At the minimum, an agricultural aircraft must be able to do what? - ans--Safely life and
transport its cargo
-Disperse a pesticide accurately and safely at the target site without harming
adjacent land or life
Which type of aircraft offer higher application speeds and higher payload capacity per
dollar invested? - ans-Fixed wing aircraft
Which type of aircraft has greater maneuverability and speed variability? - ans-Rotary
wing aircraft
Which type of aircraft per unit of flying time is more expensive to operate? - ans-Rotary
wing aircraft
A typical aerial spray system consists of the following: - ans--Tank
-Agitation system
-Filters
-Piping and fittings
-Pump and pressure gauges
-Spray boom
What item from an aerial spray system is typically mounted in front of the cockpit and as
close to the center of gravity as possible? - ans-The tank
The spray tank has two sets of graduations printed on it that indicate what? - ans--One
indicates the number of gallons in the tank when on the runway
-One shows spray tank gallonage while the aircraft is in flight
,What are the four types of spray tanks used in aerial application setups? - ans--Belly
mount tanks
-Side mount tanks
-Internal mount tanks
-Sling load tanks (flown suspended under the aircraft by a line and cargo hook)
What are some examples of pesticide types that need constant agitation to keep from
settling out? - ans--Dry Flowables
-Wettable Powders
What type of treatment site can lead to agitation in the spray tank being a necessity? -
ans-Long fields where turnarounds are infrequent.
High flow rate set ups usually utilize what diameter of piping? - ans-Two Inch
Low volume spray application work usually utilizes what diameter of piping? - ans-One
inch
The slower airspeed of helicopters allow for lower flow rates, what is the average GPM
range of helicopter application? - ans-20-80GPM
When should you change any hose or fitting? - ans-At the first sign of swelling or
cracking.
What should each nozzle be equipped with to prevent dripping when the boom is off? -
ans-Check valve
What are the two different ways that a spray pump on an aircraft are generally
powered? - ans--Fan mounted in the propellers slipstream beneath the aircraft
-Hydraulic pump driven by the engine
What type of pump is most commonly used in aerial application? - ans-Centrifugal
pump. These deliver many GPM while working against a low pressure.
What is the average PSI range used in aerial application? - ans-25-50psi
What is the main purpose of a spray boom? - ans-To provide the best possible way
to attach nozzles to the aircraft.
Two aspects of the spray boom influence how much turbulence occurs near the nozzle
tip, what are they? - ans--The position of the boom
-The cross sectional shape of the boom
Where in general is the best position for the spray boom on fixed wing? - ans-Well
below and even with or slightly behind the trailing edge of the wing.
, For rotary wing aircraft, where is the best position for the spray boom? - ans-At the
center or forward from the center of the rotor.
What is the preferred cross sectional shape of a spray boom? - ans-The "Airfoil" or
wing shaped spray boom
What type of boom creates a large amount of turbulence? - ans-Cylindrical
What shape of boom creates intermediate levels of turbulence? - ans-Streamline (oval
or teardrop)
If nozzles are too close to the wingtip, what can happen to the spray output? - ans-It will
get caught in the wingtip vortex, sweeping them upward and inward above the aircraft.
What is total functional boom length? - ans-The distance between the two outermost
nozzles.
What % of the wingspan on fixed wing should the total functional boom length be no
more than. - ans-70%
For rotorcraft, what is the maximum % of rotor width that the total functional boom
length should not exceed? - ans-80%
What are the three most common application rates referred to as in aerial application? -
ans--Conventional rates(5-15 or more GPA)
-Low volume rates(0.5-5 GPA)
-Ultra low volume(less than 0.5 GPA)
What is the first thing you should determine when selecting a nozzle? - ans-Determine
the GPM to apply the desired GPA at the intended application speed.
Do course droplet sprays require higher or lower gallonages per acre to achieve
sufficient coverage? - ans-Higher
What type of rates are typically used for aerial fungicide application? - ans-Low Volume
rates
What are ULV rates most commonly used for? - ans-Public health pest control
What type of nozzle is often used for ULV applications(known for its variable range)? -
ans-Rotary atomizers
What are the two most common cone pattern nozzles? - ans--Disc Core
-Whirl Chamber
A disc core nozzle is designated by what two factors? - ans--The size of its disc orifice
2026 UPDATE QUESTIONS AND CORRECT
VERIFIED ANSWERS ALREADY GRADED A+
(BRAND NEW VISION)
Throughout spraying what can on board computers collect? - ans-Data to construct
records for customer billing, environmental reporting and GPS data analysis.
Modern on board DGPS computers enable precision spray boom operation through the
use of what? - ans-Electronically regulated flow controllers, which change the
application rate based upon air speed.
At the minimum, an agricultural aircraft must be able to do what? - ans--Safely life and
transport its cargo
-Disperse a pesticide accurately and safely at the target site without harming
adjacent land or life
Which type of aircraft offer higher application speeds and higher payload capacity per
dollar invested? - ans-Fixed wing aircraft
Which type of aircraft has greater maneuverability and speed variability? - ans-Rotary
wing aircraft
Which type of aircraft per unit of flying time is more expensive to operate? - ans-Rotary
wing aircraft
A typical aerial spray system consists of the following: - ans--Tank
-Agitation system
-Filters
-Piping and fittings
-Pump and pressure gauges
-Spray boom
What item from an aerial spray system is typically mounted in front of the cockpit and as
close to the center of gravity as possible? - ans-The tank
The spray tank has two sets of graduations printed on it that indicate what? - ans--One
indicates the number of gallons in the tank when on the runway
-One shows spray tank gallonage while the aircraft is in flight
,What are the four types of spray tanks used in aerial application setups? - ans--Belly
mount tanks
-Side mount tanks
-Internal mount tanks
-Sling load tanks (flown suspended under the aircraft by a line and cargo hook)
What are some examples of pesticide types that need constant agitation to keep from
settling out? - ans--Dry Flowables
-Wettable Powders
What type of treatment site can lead to agitation in the spray tank being a necessity? -
ans-Long fields where turnarounds are infrequent.
High flow rate set ups usually utilize what diameter of piping? - ans-Two Inch
Low volume spray application work usually utilizes what diameter of piping? - ans-One
inch
The slower airspeed of helicopters allow for lower flow rates, what is the average GPM
range of helicopter application? - ans-20-80GPM
When should you change any hose or fitting? - ans-At the first sign of swelling or
cracking.
What should each nozzle be equipped with to prevent dripping when the boom is off? -
ans-Check valve
What are the two different ways that a spray pump on an aircraft are generally
powered? - ans--Fan mounted in the propellers slipstream beneath the aircraft
-Hydraulic pump driven by the engine
What type of pump is most commonly used in aerial application? - ans-Centrifugal
pump. These deliver many GPM while working against a low pressure.
What is the average PSI range used in aerial application? - ans-25-50psi
What is the main purpose of a spray boom? - ans-To provide the best possible way
to attach nozzles to the aircraft.
Two aspects of the spray boom influence how much turbulence occurs near the nozzle
tip, what are they? - ans--The position of the boom
-The cross sectional shape of the boom
Where in general is the best position for the spray boom on fixed wing? - ans-Well
below and even with or slightly behind the trailing edge of the wing.
, For rotary wing aircraft, where is the best position for the spray boom? - ans-At the
center or forward from the center of the rotor.
What is the preferred cross sectional shape of a spray boom? - ans-The "Airfoil" or
wing shaped spray boom
What type of boom creates a large amount of turbulence? - ans-Cylindrical
What shape of boom creates intermediate levels of turbulence? - ans-Streamline (oval
or teardrop)
If nozzles are too close to the wingtip, what can happen to the spray output? - ans-It will
get caught in the wingtip vortex, sweeping them upward and inward above the aircraft.
What is total functional boom length? - ans-The distance between the two outermost
nozzles.
What % of the wingspan on fixed wing should the total functional boom length be no
more than. - ans-70%
For rotorcraft, what is the maximum % of rotor width that the total functional boom
length should not exceed? - ans-80%
What are the three most common application rates referred to as in aerial application? -
ans--Conventional rates(5-15 or more GPA)
-Low volume rates(0.5-5 GPA)
-Ultra low volume(less than 0.5 GPA)
What is the first thing you should determine when selecting a nozzle? - ans-Determine
the GPM to apply the desired GPA at the intended application speed.
Do course droplet sprays require higher or lower gallonages per acre to achieve
sufficient coverage? - ans-Higher
What type of rates are typically used for aerial fungicide application? - ans-Low Volume
rates
What are ULV rates most commonly used for? - ans-Public health pest control
What type of nozzle is often used for ULV applications(known for its variable range)? -
ans-Rotary atomizers
What are the two most common cone pattern nozzles? - ans--Disc Core
-Whirl Chamber
A disc core nozzle is designated by what two factors? - ans--The size of its disc orifice
