IATA Dangerous Goods Regulations (DGR) Certification Exam
latest 2026 Update Actual Questions & Answers Most Asked 200
Questions And Verified Answers | A+ Success Kit”
1. A shipper is preparing a package containing UN 3480 Lithium Ion Batteries (Section IA).
What is the first step they must take?
A. Apply labels directly
B. Complete the Air Waybill
C. Classify the dangerous goods
D. Load onto aircraft
Answer: C
Explanation: Proper classification is always the first step before packaging, labeling, or
documentation.
2. A package contains flammable liquid Class 3 with a flashpoint below 23°C. Which
packing group is most likely assigned?
A. Packing Group III
B. Packing Group II
C. Packing Group I
D. No packing group
Answer: C
Explanation: Highly dangerous substances with low flashpoints are assigned Packing
Group I.
3. A shipper fails to include a Shipper’s Declaration. What is the likely outcome?
A. Shipment accepted
B. Shipment delayed but accepted
C. Shipment rejected
D. Shipment downgraded
Answer: C
Explanation: The Shipper’s Declaration is mandatory for most dangerous goods.
4. A package shows signs of leakage during acceptance. What should the operator do?
A. Ignore and proceed
B. Re-label the package
C. Reject the shipment
D. Store temporarily
Answer: C
Explanation: Damaged or leaking packages must be rejected immediately.
5. A consignment includes dry ice used as refrigerant. What is its UN number?
A. UN 1845
B. UN 1203
C. UN 1090
D. UN 3077
Answer: A
Explanation: Dry ice is classified as UN 1845.
6. A shipment is marked “Cargo Aircraft Only.” What does this indicate?
A. Can go on passenger aircraft
, B. Must go on cargo aircraft only
C. Requires no labeling
D. Is non-hazardous
Answer: B
Explanation: Certain dangerous goods are forbidden on passenger aircraft.
7. A package contains toxic substances. Which class applies?
A. Class 5
B. Class 6
C. Class 7
D. Class 8
Answer: B
Explanation: Toxic substances fall under Class 6.
8. A shipper uses incorrect packaging. What regulation is violated?
A. Classification rules
B. Packaging instructions
C. Labeling rules
D. Documentation rules
Answer: B
Explanation: Each dangerous good must follow specific packing instructions.
9. A lithium battery shipment exceeds allowed limits. What happens?
A. It is accepted
B. It is reclassified
C. It is rejected
D. It is relabeled
Answer: C
Explanation: Exceeding limits violates regulations and leads to rejection.
10. A package lacks hazard labels. What is the issue?
A. Minor error
B. Documentation issue
C. Safety violation
D. No issue
Answer: C
Explanation: Labels communicate hazards and are mandatory for safety.
11. A shipper incorrectly declares net quantity. What risk arises?
A. Delay
B. Mis-handling
C. Safety hazard
D. All of the above
Answer: D
Explanation: Incorrect quantities can affect safety, handling, and compliance.
12. A package contains corrosive material. Which class applies?
A. Class 6
B. Class 7
C. Class 8
D. Class 9
, Answer: C
Explanation: Corrosive substances are Class 8.
13. A shipment includes radioactive materials. What must be included?
A. Extra packaging
B. Special labels
C. Temperature control
D. No requirement
Answer: B
Explanation: Radioactive materials require specific labeling and documentation.
14. A shipper uses an overpack. What must be done?
A. Remove original labels
B. Duplicate labels on overpack
C. Ignore labeling
D. Seal without marking
Answer: B
Explanation: Overpacks must display all required markings and labels.
15. A package exceeds weight limits. What is required?
A. Relabel only
B. Split shipment
C. Ignore
D. Add documentation
Answer: B
Explanation: Weight limits must be respected per package.
16. A flammable gas is being shipped. Which class applies?
A. Class 2
B. Class 3
C. Class 4
D. Class 5
Answer: A
Explanation: Gases are classified under Class 2.
17. A package is missing UN number marking. What is the result?
A. Accepted
B. Delayed
C. Rejected
D. Repacked
Answer: C
Explanation: UN number is mandatory for identification.
18. A shipper misclassifies a substance. What is the impact?
A. No impact
B. Compliance violation
C. Faster shipping
D. Reduced cost
Answer: B
Explanation: Misclassification can lead to serious safety risks.
19. A package is properly labeled but poorly packaged. What happens?
A. Accepted
, B. Rejected
C. Delayed
D. Relabeled
Answer: B
Explanation: Packaging must meet strict standards.
20. A shipment includes infectious substances. Which class applies?
A. Class 5
B. Class 6.2
C. Class 7
D. Class 8
Answer: B
Explanation: Infectious substances are Class 6.2.
21. Which document accompanies dangerous goods?
A. Invoice
B. Packing list
C. Shipper’s Declaration
D. Receipt
Answer: C
Explanation: This document provides essential safety information.
22. What does UN stand for in UN number?
A. Universal Network
B. United Nations
C. Unified Number
D. Unique Notation
Answer: B
Explanation: UN numbers are assigned by the United Nations.
23. What is the purpose of hazard labels?
A. Decoration
B. Identification
C. Pricing
D. Branding
Answer: B
Explanation: Labels identify hazards for safe handling.
24. Which class includes explosives?
A. Class 1
B. Class 2
C. Class 3
D. Class 4
Answer: A
Explanation: Explosives are Class 1.
25. What is the main goal of DGR?
A. Profit
B. Speed
C. Safety
D. Marketing
latest 2026 Update Actual Questions & Answers Most Asked 200
Questions And Verified Answers | A+ Success Kit”
1. A shipper is preparing a package containing UN 3480 Lithium Ion Batteries (Section IA).
What is the first step they must take?
A. Apply labels directly
B. Complete the Air Waybill
C. Classify the dangerous goods
D. Load onto aircraft
Answer: C
Explanation: Proper classification is always the first step before packaging, labeling, or
documentation.
2. A package contains flammable liquid Class 3 with a flashpoint below 23°C. Which
packing group is most likely assigned?
A. Packing Group III
B. Packing Group II
C. Packing Group I
D. No packing group
Answer: C
Explanation: Highly dangerous substances with low flashpoints are assigned Packing
Group I.
3. A shipper fails to include a Shipper’s Declaration. What is the likely outcome?
A. Shipment accepted
B. Shipment delayed but accepted
C. Shipment rejected
D. Shipment downgraded
Answer: C
Explanation: The Shipper’s Declaration is mandatory for most dangerous goods.
4. A package shows signs of leakage during acceptance. What should the operator do?
A. Ignore and proceed
B. Re-label the package
C. Reject the shipment
D. Store temporarily
Answer: C
Explanation: Damaged or leaking packages must be rejected immediately.
5. A consignment includes dry ice used as refrigerant. What is its UN number?
A. UN 1845
B. UN 1203
C. UN 1090
D. UN 3077
Answer: A
Explanation: Dry ice is classified as UN 1845.
6. A shipment is marked “Cargo Aircraft Only.” What does this indicate?
A. Can go on passenger aircraft
, B. Must go on cargo aircraft only
C. Requires no labeling
D. Is non-hazardous
Answer: B
Explanation: Certain dangerous goods are forbidden on passenger aircraft.
7. A package contains toxic substances. Which class applies?
A. Class 5
B. Class 6
C. Class 7
D. Class 8
Answer: B
Explanation: Toxic substances fall under Class 6.
8. A shipper uses incorrect packaging. What regulation is violated?
A. Classification rules
B. Packaging instructions
C. Labeling rules
D. Documentation rules
Answer: B
Explanation: Each dangerous good must follow specific packing instructions.
9. A lithium battery shipment exceeds allowed limits. What happens?
A. It is accepted
B. It is reclassified
C. It is rejected
D. It is relabeled
Answer: C
Explanation: Exceeding limits violates regulations and leads to rejection.
10. A package lacks hazard labels. What is the issue?
A. Minor error
B. Documentation issue
C. Safety violation
D. No issue
Answer: C
Explanation: Labels communicate hazards and are mandatory for safety.
11. A shipper incorrectly declares net quantity. What risk arises?
A. Delay
B. Mis-handling
C. Safety hazard
D. All of the above
Answer: D
Explanation: Incorrect quantities can affect safety, handling, and compliance.
12. A package contains corrosive material. Which class applies?
A. Class 6
B. Class 7
C. Class 8
D. Class 9
, Answer: C
Explanation: Corrosive substances are Class 8.
13. A shipment includes radioactive materials. What must be included?
A. Extra packaging
B. Special labels
C. Temperature control
D. No requirement
Answer: B
Explanation: Radioactive materials require specific labeling and documentation.
14. A shipper uses an overpack. What must be done?
A. Remove original labels
B. Duplicate labels on overpack
C. Ignore labeling
D. Seal without marking
Answer: B
Explanation: Overpacks must display all required markings and labels.
15. A package exceeds weight limits. What is required?
A. Relabel only
B. Split shipment
C. Ignore
D. Add documentation
Answer: B
Explanation: Weight limits must be respected per package.
16. A flammable gas is being shipped. Which class applies?
A. Class 2
B. Class 3
C. Class 4
D. Class 5
Answer: A
Explanation: Gases are classified under Class 2.
17. A package is missing UN number marking. What is the result?
A. Accepted
B. Delayed
C. Rejected
D. Repacked
Answer: C
Explanation: UN number is mandatory for identification.
18. A shipper misclassifies a substance. What is the impact?
A. No impact
B. Compliance violation
C. Faster shipping
D. Reduced cost
Answer: B
Explanation: Misclassification can lead to serious safety risks.
19. A package is properly labeled but poorly packaged. What happens?
A. Accepted
, B. Rejected
C. Delayed
D. Relabeled
Answer: B
Explanation: Packaging must meet strict standards.
20. A shipment includes infectious substances. Which class applies?
A. Class 5
B. Class 6.2
C. Class 7
D. Class 8
Answer: B
Explanation: Infectious substances are Class 6.2.
21. Which document accompanies dangerous goods?
A. Invoice
B. Packing list
C. Shipper’s Declaration
D. Receipt
Answer: C
Explanation: This document provides essential safety information.
22. What does UN stand for in UN number?
A. Universal Network
B. United Nations
C. Unified Number
D. Unique Notation
Answer: B
Explanation: UN numbers are assigned by the United Nations.
23. What is the purpose of hazard labels?
A. Decoration
B. Identification
C. Pricing
D. Branding
Answer: B
Explanation: Labels identify hazards for safe handling.
24. Which class includes explosives?
A. Class 1
B. Class 2
C. Class 3
D. Class 4
Answer: A
Explanation: Explosives are Class 1.
25. What is the main goal of DGR?
A. Profit
B. Speed
C. Safety
D. Marketing
