Originally Posted by Prestige
Mainly used for meal assignments. Were you on standby for that flight?
ML*1 - Revenue customers and guest of AC who are upgraded
ML*2 Revenue and guest standbys
ML*3 Positive space pass holders who are upgraded or downgraded
ML*4 Positive space (confirmed) pass holders
ML*5 Space available pass holders
Similar to what Empress had posted in the past, this type of question/answer should really be put into some FAQ sticky... if I had a penny each time this question was asked...

Thanks Prestige, I will now cut and paste into my own FAQ file