2026/2027
IATA Dangerous Goods Training
Exam Prep 2026/2027 Advanced
Study Guide with Mock Tests,
Detailed Answer Explanations, and
Test Bank Review
Question 1:
Which type of training focuses specifically on the exact duties an employee performs
when shipping dangerous goods?
A. Advanced hazardous response training
B. Function-specific training
C. Environmental compliance training
D. Emergency evacuation training
Correct Answer: B. Function-specific training
Rationale: Function-specific training is designed to ensure that personnel understand
the exact dangerous goods responsibilities related to their job duties, such as
packaging, labeling, documenting, or handling shipments. General familiarization
training provides broad awareness of regulations, while safety training focuses on
hazard prevention and emergency response. Environmental compliance and
evacuation training may be useful in some workplaces but are not core dangerous
goods training requirements.
Question 2:
Which international organization is responsible for publishing the Model Regulations
used as the foundation for dangerous goods transport rules worldwide?
A. International Civil Aviation Organization (ICAO)
B. World Health Organization (WHO)
C. United Nations Sub-Committee of Experts on the Transport of Dangerous Goods
D. International Maritime Organization (IMO)
Correct Answer: C. United Nations Sub-Committee of Experts on the Transport
of Dangerous Goods
Rationale: The United Nations Sub-Committee of Experts on the Transport of
Dangerous Goods (UNSCoE) develops and publishes the UN Model Regulations,
,2026/2027
which form the basis for international transport rules covering air, sea, road, and rail
transport. ICAO and IMO adopt and apply these recommendations within aviation
and maritime sectors respectively, but they do not create the original model
regulations.
Question 3:
Which mode of transport is generally considered to have the strictest dangerous goods
regulations?
A. Rail transport
B. Road transport
C. Maritime transport
D. Air transport
Correct Answer: D. Air transport
Rationale: Air transport regulations are the most restrictive because of the unique
risks associated with aircraft operations, including pressure changes, limited
emergency response capability during flight, and catastrophic consequences of
incidents in the air. Aviation regulations impose strict quantity limits, packaging
standards, and documentation requirements. Maritime and road transport regulations
are also stringent but generally allow greater flexibility than air transport.
Question 4:
Which of the following information must appear on a dangerous goods training record
or certificate?
A. The trainee’s salary information
B. The trainee’s home address only
C. Evidence that the examination was successfully completed
D. Names of all company directors
Correct Answer: C. Evidence that the examination was successfully completed
Rationale: Dangerous goods training records must include the trainee’s name,
description or location of training materials, training completion date, and proof that
the individual successfully completed an examination or assessment. Salary details,
personal home addresses, and unrelated corporate information are not required as part
of regulatory training documentation.
Question 5:
,2026/2027
Which components are included in the triple packaging system used for infectious
substances?
A. Primary receptacle, secondary packaging, and outer packaging
B. Plastic bag, cardboard divider, and absorbent sheet
C. Outer wrapping, cargo net, and foam insert
D. Metal drum, pressure valve, and fiberboard insert
Correct Answer: A. Primary receptacle, secondary packaging, and outer
packaging
Rationale: Triple packaging is a mandatory packaging system designed to safely
contain infectious substances during transport. The primary receptacle directly
contains the specimen, the secondary packaging provides leakproof protection, and
the outer packaging protects against external damage. This layered design minimizes
the risk of exposure or leakage during handling and transportation.
Question 6:
What is the relationship between proper shipping names and UN numbers?
A. Proper shipping names replace UN numbers
B. Proper shipping names are optional when a UN number is known
C. Proper shipping names are linked to specific UN numbers
D. Proper shipping names are used only for air transport
Correct Answer: C. Proper shipping names are linked to specific UN numbers
Rationale: Every dangerous good assigned for transport has a corresponding UN
number and proper shipping name. These identifiers ensure standardized international
recognition of hazardous materials. The UN number alone is insufficient without the
matching shipping name because the name communicates the specific hazard and
material type associated with the shipment.
Question 7:
Dangerous goods classified under Class 6 include which of the following?
A. Flammable liquids only
B. Corrosive materials
C. Toxic and infectious substances
D. Radioactive materials
Correct Answer: C. Toxic and infectious substances
Rationale: Dangerous Goods Class 6 is divided into two divisions: toxic substances
(Division 6.1) and infectious substances (Division 6.2). These materials pose
, 2026/2027
significant health risks through exposure or infection. Corrosives belong to Class 8,
radioactive materials to Class 7, and flammable liquids to Class 3.
Question 8:
Why should operators carefully examine dangerous goods packages before accepting
them for transport?
A. To confirm regulatory compliance and identify possible damage
B. To estimate the value of the shipment
C. To determine the destination country’s taxes
D. To verify the sender’s employment status
Correct Answer: A. To confirm regulatory compliance and identify possible
damage
Rationale: Operators must inspect packages to ensure labels, markings, packaging
integrity, and documentation comply with regulations. Examination also helps
identify leaks, damage, or improperly prepared shipments that could endanger
personnel, passengers, or cargo. The inspection process is an important safety
measure within dangerous goods transport systems.
Question 9:
Which responsibility belongs primarily to the shipper of dangerous goods?
A. Air traffic control
B. Aircraft maintenance
C. Packing the dangerous goods properly
D. Airport security screening
Correct Answer: C. Packing the dangerous goods properly
Rationale: Shippers are legally responsible for correctly classifying, packaging,
labeling, marking, and documenting dangerous goods shipments. Improper packing
can result in leaks, spills, contamination, or accidents during transport. Air traffic
control and airport security functions belong to other operational authorities.
Question 10:
In the Emergency Response Guidebook (ERG), where are dangerous goods listed
according to UN numbers?
A. Blue pages
B. Green pages
IATA Dangerous Goods Training
Exam Prep 2026/2027 Advanced
Study Guide with Mock Tests,
Detailed Answer Explanations, and
Test Bank Review
Question 1:
Which type of training focuses specifically on the exact duties an employee performs
when shipping dangerous goods?
A. Advanced hazardous response training
B. Function-specific training
C. Environmental compliance training
D. Emergency evacuation training
Correct Answer: B. Function-specific training
Rationale: Function-specific training is designed to ensure that personnel understand
the exact dangerous goods responsibilities related to their job duties, such as
packaging, labeling, documenting, or handling shipments. General familiarization
training provides broad awareness of regulations, while safety training focuses on
hazard prevention and emergency response. Environmental compliance and
evacuation training may be useful in some workplaces but are not core dangerous
goods training requirements.
Question 2:
Which international organization is responsible for publishing the Model Regulations
used as the foundation for dangerous goods transport rules worldwide?
A. International Civil Aviation Organization (ICAO)
B. World Health Organization (WHO)
C. United Nations Sub-Committee of Experts on the Transport of Dangerous Goods
D. International Maritime Organization (IMO)
Correct Answer: C. United Nations Sub-Committee of Experts on the Transport
of Dangerous Goods
Rationale: The United Nations Sub-Committee of Experts on the Transport of
Dangerous Goods (UNSCoE) develops and publishes the UN Model Regulations,
,2026/2027
which form the basis for international transport rules covering air, sea, road, and rail
transport. ICAO and IMO adopt and apply these recommendations within aviation
and maritime sectors respectively, but they do not create the original model
regulations.
Question 3:
Which mode of transport is generally considered to have the strictest dangerous goods
regulations?
A. Rail transport
B. Road transport
C. Maritime transport
D. Air transport
Correct Answer: D. Air transport
Rationale: Air transport regulations are the most restrictive because of the unique
risks associated with aircraft operations, including pressure changes, limited
emergency response capability during flight, and catastrophic consequences of
incidents in the air. Aviation regulations impose strict quantity limits, packaging
standards, and documentation requirements. Maritime and road transport regulations
are also stringent but generally allow greater flexibility than air transport.
Question 4:
Which of the following information must appear on a dangerous goods training record
or certificate?
A. The trainee’s salary information
B. The trainee’s home address only
C. Evidence that the examination was successfully completed
D. Names of all company directors
Correct Answer: C. Evidence that the examination was successfully completed
Rationale: Dangerous goods training records must include the trainee’s name,
description or location of training materials, training completion date, and proof that
the individual successfully completed an examination or assessment. Salary details,
personal home addresses, and unrelated corporate information are not required as part
of regulatory training documentation.
Question 5:
,2026/2027
Which components are included in the triple packaging system used for infectious
substances?
A. Primary receptacle, secondary packaging, and outer packaging
B. Plastic bag, cardboard divider, and absorbent sheet
C. Outer wrapping, cargo net, and foam insert
D. Metal drum, pressure valve, and fiberboard insert
Correct Answer: A. Primary receptacle, secondary packaging, and outer
packaging
Rationale: Triple packaging is a mandatory packaging system designed to safely
contain infectious substances during transport. The primary receptacle directly
contains the specimen, the secondary packaging provides leakproof protection, and
the outer packaging protects against external damage. This layered design minimizes
the risk of exposure or leakage during handling and transportation.
Question 6:
What is the relationship between proper shipping names and UN numbers?
A. Proper shipping names replace UN numbers
B. Proper shipping names are optional when a UN number is known
C. Proper shipping names are linked to specific UN numbers
D. Proper shipping names are used only for air transport
Correct Answer: C. Proper shipping names are linked to specific UN numbers
Rationale: Every dangerous good assigned for transport has a corresponding UN
number and proper shipping name. These identifiers ensure standardized international
recognition of hazardous materials. The UN number alone is insufficient without the
matching shipping name because the name communicates the specific hazard and
material type associated with the shipment.
Question 7:
Dangerous goods classified under Class 6 include which of the following?
A. Flammable liquids only
B. Corrosive materials
C. Toxic and infectious substances
D. Radioactive materials
Correct Answer: C. Toxic and infectious substances
Rationale: Dangerous Goods Class 6 is divided into two divisions: toxic substances
(Division 6.1) and infectious substances (Division 6.2). These materials pose
, 2026/2027
significant health risks through exposure or infection. Corrosives belong to Class 8,
radioactive materials to Class 7, and flammable liquids to Class 3.
Question 8:
Why should operators carefully examine dangerous goods packages before accepting
them for transport?
A. To confirm regulatory compliance and identify possible damage
B. To estimate the value of the shipment
C. To determine the destination country’s taxes
D. To verify the sender’s employment status
Correct Answer: A. To confirm regulatory compliance and identify possible
damage
Rationale: Operators must inspect packages to ensure labels, markings, packaging
integrity, and documentation comply with regulations. Examination also helps
identify leaks, damage, or improperly prepared shipments that could endanger
personnel, passengers, or cargo. The inspection process is an important safety
measure within dangerous goods transport systems.
Question 9:
Which responsibility belongs primarily to the shipper of dangerous goods?
A. Air traffic control
B. Aircraft maintenance
C. Packing the dangerous goods properly
D. Airport security screening
Correct Answer: C. Packing the dangerous goods properly
Rationale: Shippers are legally responsible for correctly classifying, packaging,
labeling, marking, and documenting dangerous goods shipments. Improper packing
can result in leaks, spills, contamination, or accidents during transport. Air traffic
control and airport security functions belong to other operational authorities.
Question 10:
In the Emergency Response Guidebook (ERG), where are dangerous goods listed
according to UN numbers?
A. Blue pages
B. Green pages
