Martin Audio MLA User Manual page 428

MLA System
USER GUIDE
There are now two options for attaching the front rigging. It can be flown off the ground and the second MLX swung up and
connected at the front in exactly the same way as MLA however this requires strong crew as the MLX weighs 160Kg.
An easier option is to fly the array until the second cabinet is just off the ground, swing it forward and immediately land the array
with the second cabinet horizontal so the first cabinet sits on top of the second;-
MLA System User Guide V2.1
428