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Regarding the carriage of dangerous goods, which of the following are correct?

1. Some dangerous goods can only be carried by cargo aircraft
2. Some dangerous goods can only be in the air for a limited amount of time
3. Some dangerous goods must only be carried in a passenger aircraft
4. Some goods can be carried by either passenger or cargo aircraft

  • A

    1 and 3

  • B

    2 and 3

  • C

    1 and 4

  • D

    2 and 4

Refer to figures.
Note: This question is a development of 713133

Looking at the answer options:

1. Some dangerous goods can only be carried by cargo aircraft → CORRECT. Some DG are forbidden on passenger flights but can only be carried on cargo aircraft. See figure for the relevant label.

2. Some dangerous goods can only be in the air for a limited amount of time → INCORRECT. DG is limited by quantity and packaging, not by time in flight.

3. Some dangerous goods must only be carried in a passenger aircraft → INCORRECT. Any DG that can be carried on a passenger flight can also travel on a cargo flight, and normally in larger quantities.

4. Some goods can be carried by either passenger or cargo aircraft → CORRECT. Any DG that can be carried on a passenger flight can also travel on a cargo flight, and normally in larger quantities.

According to ICAO Doc 9284 (Technical Instructions for the Safe Transport of Dangerous Goods by Air), dangerous goods that are not allowed to be carried on passenger aircraft but may be transported on cargo aircraft are referred to as Cargo Aircraft Only (often labelled with the acronym CAO). 

Packages containing these items must bear the "Cargo Aircraft Only" label. The Cargo Aircraft Only label clearly shows ‘FORBIDDEN in Passenger Aircraft’.

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This question has appeared on the real examination, you can find the related countries below.

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