Twice a year, once in May and once in October. The primary level can be tested in the same year. You value the content of civil aviation safety officer level 5 safety officer. Verification, inspection and unpacking inspection are also very simple, just do it a few times.

Verification: Check 40 sheets of paper in 2 minutes, make up to 4 mistakes, and then answer this question.

Person: It takes 3 minutes for a person to find out the contraband according to the corresponding checklist and then answer the question.

Unpacking: Just give 4 minutes to check the dangerous goods (multiple pieces) and put them in the corresponding baskets. Then answer the question.

Theory: you value the content of civil aviation safety officer level 5 safety officer.

It is a national unified examination, just like the self-taught undergraduate examination. It's run by the government, and the location of the exam is uncertain. You'll know when you take the exam. If it is arranged in a school or a school, it is not clear that the government's examination information will be provided during the examination time.