,IATA Dangerous Goods Regulations (DGR) Exam 2026 — Full
Mock Exam | 100 Questions with Verified Answers and
Detailed Rationales
SECTION 1: REGULATORY FRAMEWORK & GENERAL PRINCIPLES (Questions 1–15)
1. What is the primary purpose of the IATA Dangerous Goods Regulations (DGR)?
A. To replace the ICAO Technical Instructions
B. To provide a uniform set of rules for the safe transport of dangerous goods by air
C. To regulate maritime dangerous goods transport
D. To establish training requirements for ground staff only
Correct Answer: B
Rationale: The DGR provides a uniform set of rules for the safe transport of dangerous goods by air,
based on the ICAO Technical Instructions. It does not replace them; it incorporates and supplements
them.
2. Under the 2026 IATA DGR, which statement accurately reflects the hierarchy of legal authority
when a State variation and the DGR conflict?
A. The DGR prevails because it incorporates ICAO Technical Instructions by reference
B. State variations published in the DGR have the same legal force as the DGR provisions
C. The ICAO Technical Instructions prevail over both the DGR and State variations
D. The most restrictive requirement between the DGR and State variation applies
Correct Answer: B
Rationale: State variations are published in the DGR and, when adopted by a State, become legally
enforceable within that State, thus having the same legal force as DGR provisions for operations under
that State's jurisdiction. The DGR itself is an industry manual, not law.
3. Who has the primary responsibility for identifying, classifying, packaging, marking, labeling, and
documenting dangerous goods prior to offering them for air transport?
A. The operator (airline)
B. The shipper
C. The freight forwarder
D. The pilot-in-command
Correct Answer: B
Rationale: The shipper is primarily responsible for ensuring that dangerous goods are properly
identified, classified, packed, marked, labeled, and documented before offering them for air transport.
, 4. Which organization publishes the Technical Instructions for the Safe Transport of Dangerous Goods
by Air?
A. IATA
B. ICAO
C. FAA
D. ICAO
Correct Answer: B
Rationale: ICAO (International Civil Aviation Organization) publishes the Technical Instructions, which
form the basis for the IATA DGR.
5. The IATA DGR are updated:
A. Every 5 years
B. Every 2 years
C. Annually
D. Every 6 months
Correct Answer: C
Rationale: The DGR is updated annually, with a new edition effective 1 January each year. The 67th
Edition is effective 1 January 2026.
6. What is the significance of the "Addendum" to the IATA DGR?
A. It replaces the main manual
B. It contains corrections and additions published after the main edition
C. It is only for passenger aircraft
D. It is optional to follow
Correct Answer: B
Rationale: The Addendum contains corrections and additions to the current edition, published after the
main manual is released. Users are expected to incorporate these changes.
7. Which of the following is NOT a shipper responsibility under the DGR?
A. Classifying dangerous goods
B. Selecting approved packaging
C. Loading ULDs onto aircraft
D. Completing the Shipper's Declaration
Correct Answer: C
Rationale: Loading ULDs onto aircraft is an operator responsibility. The shipper is responsible for
classification, packaging, marking, labeling, and documentation.
Mock Exam | 100 Questions with Verified Answers and
Detailed Rationales
SECTION 1: REGULATORY FRAMEWORK & GENERAL PRINCIPLES (Questions 1–15)
1. What is the primary purpose of the IATA Dangerous Goods Regulations (DGR)?
A. To replace the ICAO Technical Instructions
B. To provide a uniform set of rules for the safe transport of dangerous goods by air
C. To regulate maritime dangerous goods transport
D. To establish training requirements for ground staff only
Correct Answer: B
Rationale: The DGR provides a uniform set of rules for the safe transport of dangerous goods by air,
based on the ICAO Technical Instructions. It does not replace them; it incorporates and supplements
them.
2. Under the 2026 IATA DGR, which statement accurately reflects the hierarchy of legal authority
when a State variation and the DGR conflict?
A. The DGR prevails because it incorporates ICAO Technical Instructions by reference
B. State variations published in the DGR have the same legal force as the DGR provisions
C. The ICAO Technical Instructions prevail over both the DGR and State variations
D. The most restrictive requirement between the DGR and State variation applies
Correct Answer: B
Rationale: State variations are published in the DGR and, when adopted by a State, become legally
enforceable within that State, thus having the same legal force as DGR provisions for operations under
that State's jurisdiction. The DGR itself is an industry manual, not law.
3. Who has the primary responsibility for identifying, classifying, packaging, marking, labeling, and
documenting dangerous goods prior to offering them for air transport?
A. The operator (airline)
B. The shipper
C. The freight forwarder
D. The pilot-in-command
Correct Answer: B
Rationale: The shipper is primarily responsible for ensuring that dangerous goods are properly
identified, classified, packed, marked, labeled, and documented before offering them for air transport.
, 4. Which organization publishes the Technical Instructions for the Safe Transport of Dangerous Goods
by Air?
A. IATA
B. ICAO
C. FAA
D. ICAO
Correct Answer: B
Rationale: ICAO (International Civil Aviation Organization) publishes the Technical Instructions, which
form the basis for the IATA DGR.
5. The IATA DGR are updated:
A. Every 5 years
B. Every 2 years
C. Annually
D. Every 6 months
Correct Answer: C
Rationale: The DGR is updated annually, with a new edition effective 1 January each year. The 67th
Edition is effective 1 January 2026.
6. What is the significance of the "Addendum" to the IATA DGR?
A. It replaces the main manual
B. It contains corrections and additions published after the main edition
C. It is only for passenger aircraft
D. It is optional to follow
Correct Answer: B
Rationale: The Addendum contains corrections and additions to the current edition, published after the
main manual is released. Users are expected to incorporate these changes.
7. Which of the following is NOT a shipper responsibility under the DGR?
A. Classifying dangerous goods
B. Selecting approved packaging
C. Loading ULDs onto aircraft
D. Completing the Shipper's Declaration
Correct Answer: C
Rationale: Loading ULDs onto aircraft is an operator responsibility. The shipper is responsible for
classification, packaging, marking, labeling, and documentation.
