The blood/alcohol limit is
- 40 milligrams of alcohol per 100 millilitres of blood as the single universal limit applying equally to commercial aircrew, air traffic controllers and all maintenance engineers.
- 20 milligrams of alcohol per 100 millilitres of blood as the single uniform limit for commercial aircrew, air traffic controllers and licensed aircraft maintenance engineers alike.
- 20 milligrams of alcohol per 100 millilitres of blood for commercial aircrew, air traffic controllers and 80 milligrams of alcohol per 100 millilitres of blood for maintenance engineers.
Explanation
The blood-alcohol limits differ by role: a stricter 20 mg per 100 ml applies to commercial aircrew and air traffic controllers, while the 80 mg per 100 ml limit applies to licensed maintenance engineers. The options applying a single uniform figure to all groups are therefore incorrect.
Maximillian Reinaldo asking:
The correct answer should be "20 milligrams of alcohol per 100 millilitres of blood for commercial aircrew, air traffic controllers and maintenance engineers." as stated in the CAP 715 Chap.6 para 6.2
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