Alternate Eras on pp 103 states that LAM using AirMech movement follows the Turn Mode rules from TO:AR.
The AirMech Hover rules (pp 102) state you can move 1-4 hexes spending normal WiGE MP, by spending 5 MP to hover.
The combination of these two rules means that in hover you are spending at least 5 MP, which means you're in the 5-9 row of the Turn Mode table. Thus, despite "hovering" you can't actually turn on the spot, and can change at most two facings without suffering the need for a PSR:
Move forward one hex (1MP)
Turn one facing (1MP)
Move forward one hex (1MP)
Turn one facing (1MP)
Total 1+1+1+1+5 = 9
Any more than that and you exceed 9 MP, move up to a Turn Mode of 2, and can still only just make two changes, but have to move two hexes between each.
It seems odd that hovering doesn't let you turn on the spot.
Should hovering ignore turn mode? You're limited to four hexes of total distance anyway.
As an aside, it seems like Turn Mode in general should be based on hexes moved (like TMM) rather than MP expended. That would seem to better reflect your overall speed.
Do Mechs benefit / suffer from the same Turn Mode modifiers for weight class - light, medium, heavy assault?
If that's the case, then at least my light LAMs have a turn mode of 0 for 5-9 MP (1 -1) which makes the behaviour a bit more sensible.
*EDIT - was misreading the table
