Possible solutions for you:

• Air Eng 2; = Air Engineer Course exercise 2.
• AE 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 17; = as above, different exercise numbers.
• Cat; = Annual category check.
• E 5, 7; = probably as AE 5, 7.
• Eng 3, 4, 6; = see above.
• Ex 1, 2, 4, 5, 7, 8; = course exercise numbers.
• LL; = low level , possibly Nav training.
• Functional LL; = as above, possibly the operating Nav.
• Maritime Ex; = self explanatory.
• MCT; = probably Multi Crew Training.
• MCT 1, 3 – also I and II Roman numerals; = see above.
• MCT 1 + Wx Check; = see above. Probably first flight of the day around a standard route to check the weather.
• MCT 2 + Formation x3. = = 3-aircraft formation.