Originally Posted by alex0683de

Two things to be aware of when crediting MAS flights to AF/KLM:


Flying Blue members can earn Miles on all Malaysia Airlines-operated flights with an MH or KL prefix.
Exceptions:

* between Tawau and Tarakan v.v.
* between Kuala Lumpur and France, Switzerland and Italy
* domestic Malaysia


You earn:
Economy Class: 100% of your actual flown miles
Business Class: 150% of your actual flown miles
First Class: 300% of your actual flown miles

Only the following booking classes are eligible for earning miles: A, B, C, D, F, H, J, K, M, P, Q, W, Y.


Source: klm.com, bolding mine.