2026/2027 IATA DANGEROUS GOODS REGULATIONS (DGR)
EXAM 2026 — FULL MOCK EXAM LATEST UPDATE FAST
REVIWED FROM ACTUAL TEST 100 QUESTIONS AND 100%
VERIFIED ANSWERS WITH EXPLANATIONS | A+ GRADE Q&A |
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1. According to IATA DGR, which document must accompany a dangerous goods
shipment?
A. Air Waybill only
B. Shipper’s Declaration for Dangerous Goods
C. Invoice
D. Packing List
Answer: B – The Shipper’s Declaration is mandatory for regulated dangerous
goods shipments.
Explanation: The Shipper’s Declaration for Dangerous Goods is the primary
document required by IATA DGR for any shipment of fully regulated dangerous
goods. The Air Waybill is also required but does not replace the Declaration.
2. Which class is “Flammable Gas”?
A. Class 1
B. Class 2.2
C. Class 3
D. Class 2.1
Answer: D – Flammable gases are classified under Class 2.1.
Explanation: Class 2 is Gases, with Division 2.1 for flammable gases, 2.2 for non-
flammable/non-toxic, and 2.3 for toxic gases.
1
,3. What is the primary purpose of the DGR?
A. Reduce transportation cost
B. Ensure safe air transport of dangerous goods
C. Expedite customs clearance
D. Track shipments globally
Answer: B – Safety of aircraft and personnel is the core aim.
Explanation: The DGR provides regulations to ensure that dangerous goods are
transported safely by air, protecting passengers, crew, and the aircraft.
4. An “ERG” in DGR stands for:
A. Emergency Response Guide
B. Emergency Response Guidance
C. Equipment Risk Guide
D. Emergency Response Guidebook
Answer: D – Emergency Response Guidebook.
Explanation: The ERG is a guide published by transport authorities (e.g., USDOT,
Transport Canada) for first responders during a dangerous goods incident. It is
referenced in the DGR for emergency response information.
5. Which packing group indicates the highest danger?
A. Packing Group I
B. Packing Group II
C. Packing Group III
D. Packing Group X
Answer: A – Packing Group I (greatest danger).
Explanation: Packing Group I is for high danger, II for medium, III for low danger.
Packing Group X does not exist.
6. What does the “List of Dangerous Goods” (Hazmat Table) in IATA DGR primarily
provide?
A. Aircraft registration rules
2
,B. Packing instructions, maximum quantities, and special provisions
C. Crew training requirements
D. Airport security codes
Answer: B – Packing instructions, maximum quantities, and special provisions.
Explanation: The List of Dangerous Goods (Table 4.2) gives for each UN number:
proper shipping name, class, packing group, packing instructions (passenger and
cargo), maximum net quantities, and any special provisions.
7. A shipment of UN1263, Paint (flammable), with a flashpoint of 23°C, falls into:
A. Class 3, PG II
B. Class 3, PG III
C. Class 6.1
D. Class 8
Answer: A – Class 3, PG II.
Explanation: Flammable liquids with flashpoint below 23°C are Packing Group II.
Flashpoint between 23°C and 60°C (inclusive) is PG III. 23°C exactly is PG II.
8. Who is ultimately responsible for the correct classification, packaging, marking,
labeling, and documentation of dangerous goods?
A. The pilot-in-command
B. The freight forwarder
C. The shipper (consignor)
D. The ground handler
Answer: C – The shipper (consignor).
Explanation: Under IATA DGR and most national regulations, the shipper bears
full legal responsibility for compliance.
9. Which of the following is NOT a hazard class recognized by IATA DGR?
A. Class 4.1 – Flammable solids
B. Class 5.2 – Organic peroxides
3
, C. Class 7 – Radioactive material
D. Class 10 – Environmentally hazardous substances
Answer: D – Class 10 does not exist.
Explanation: IATA DGR recognizes Classes 1 through 9. Environmentally hazardous
substances (aquatic pollutants) are generally assigned to Class 9, UN3077 or
UN3082.
10. For a “Cargo Aircraft Only” (CAO) dangerous goods shipment, which
statement is correct?
A. It cannot be carried on any passenger aircraft
B. It must use a special CAO label
C. It is forbidden entirely
D. It requires no documentation
Answer: A – It cannot be carried on any passenger aircraft.
Explanation: CAO means the item is forbidden on passenger aircraft but may be
carried on cargo aircraft, subject to specific packing and quantity limits. A “Cargo
Aircraft Only” label is required.
11. What is the maximum net quantity per package for UN1263 (Paint, PG II) on
passenger aircraft?
A. 5 L
B. 25 L
C. 60 L
D. 220 L
Answer: A – 5 L.
Explanation: According to Packing Instruction 364 for passenger aircraft, Class 3,
PG II liquids are limited to 5 L per inner package and 5 L per outer package.
12. Which document must include a 24-hour emergency response telephone
number for a dangerous goods shipment?
A. Air Waybill
4
EXAM 2026 — FULL MOCK EXAM LATEST UPDATE FAST
REVIWED FROM ACTUAL TEST 100 QUESTIONS AND 100%
VERIFIED ANSWERS WITH EXPLANATIONS | A+ GRADE Q&A |
INSTANT DOWNLOAD PDF
1. According to IATA DGR, which document must accompany a dangerous goods
shipment?
A. Air Waybill only
B. Shipper’s Declaration for Dangerous Goods
C. Invoice
D. Packing List
Answer: B – The Shipper’s Declaration is mandatory for regulated dangerous
goods shipments.
Explanation: The Shipper’s Declaration for Dangerous Goods is the primary
document required by IATA DGR for any shipment of fully regulated dangerous
goods. The Air Waybill is also required but does not replace the Declaration.
2. Which class is “Flammable Gas”?
A. Class 1
B. Class 2.2
C. Class 3
D. Class 2.1
Answer: D – Flammable gases are classified under Class 2.1.
Explanation: Class 2 is Gases, with Division 2.1 for flammable gases, 2.2 for non-
flammable/non-toxic, and 2.3 for toxic gases.
1
,3. What is the primary purpose of the DGR?
A. Reduce transportation cost
B. Ensure safe air transport of dangerous goods
C. Expedite customs clearance
D. Track shipments globally
Answer: B – Safety of aircraft and personnel is the core aim.
Explanation: The DGR provides regulations to ensure that dangerous goods are
transported safely by air, protecting passengers, crew, and the aircraft.
4. An “ERG” in DGR stands for:
A. Emergency Response Guide
B. Emergency Response Guidance
C. Equipment Risk Guide
D. Emergency Response Guidebook
Answer: D – Emergency Response Guidebook.
Explanation: The ERG is a guide published by transport authorities (e.g., USDOT,
Transport Canada) for first responders during a dangerous goods incident. It is
referenced in the DGR for emergency response information.
5. Which packing group indicates the highest danger?
A. Packing Group I
B. Packing Group II
C. Packing Group III
D. Packing Group X
Answer: A – Packing Group I (greatest danger).
Explanation: Packing Group I is for high danger, II for medium, III for low danger.
Packing Group X does not exist.
6. What does the “List of Dangerous Goods” (Hazmat Table) in IATA DGR primarily
provide?
A. Aircraft registration rules
2
,B. Packing instructions, maximum quantities, and special provisions
C. Crew training requirements
D. Airport security codes
Answer: B – Packing instructions, maximum quantities, and special provisions.
Explanation: The List of Dangerous Goods (Table 4.2) gives for each UN number:
proper shipping name, class, packing group, packing instructions (passenger and
cargo), maximum net quantities, and any special provisions.
7. A shipment of UN1263, Paint (flammable), with a flashpoint of 23°C, falls into:
A. Class 3, PG II
B. Class 3, PG III
C. Class 6.1
D. Class 8
Answer: A – Class 3, PG II.
Explanation: Flammable liquids with flashpoint below 23°C are Packing Group II.
Flashpoint between 23°C and 60°C (inclusive) is PG III. 23°C exactly is PG II.
8. Who is ultimately responsible for the correct classification, packaging, marking,
labeling, and documentation of dangerous goods?
A. The pilot-in-command
B. The freight forwarder
C. The shipper (consignor)
D. The ground handler
Answer: C – The shipper (consignor).
Explanation: Under IATA DGR and most national regulations, the shipper bears
full legal responsibility for compliance.
9. Which of the following is NOT a hazard class recognized by IATA DGR?
A. Class 4.1 – Flammable solids
B. Class 5.2 – Organic peroxides
3
, C. Class 7 – Radioactive material
D. Class 10 – Environmentally hazardous substances
Answer: D – Class 10 does not exist.
Explanation: IATA DGR recognizes Classes 1 through 9. Environmentally hazardous
substances (aquatic pollutants) are generally assigned to Class 9, UN3077 or
UN3082.
10. For a “Cargo Aircraft Only” (CAO) dangerous goods shipment, which
statement is correct?
A. It cannot be carried on any passenger aircraft
B. It must use a special CAO label
C. It is forbidden entirely
D. It requires no documentation
Answer: A – It cannot be carried on any passenger aircraft.
Explanation: CAO means the item is forbidden on passenger aircraft but may be
carried on cargo aircraft, subject to specific packing and quantity limits. A “Cargo
Aircraft Only” label is required.
11. What is the maximum net quantity per package for UN1263 (Paint, PG II) on
passenger aircraft?
A. 5 L
B. 25 L
C. 60 L
D. 220 L
Answer: A – 5 L.
Explanation: According to Packing Instruction 364 for passenger aircraft, Class 3,
PG II liquids are limited to 5 L per inner package and 5 L per outer package.
12. Which document must include a 24-hour emergency response telephone
number for a dangerous goods shipment?
A. Air Waybill
4
