[gunnut]

Use of one of those devices is a FAA reg violation, and can get the user fined several thousand bucks on the spot by the gov’t. No ticket, no hearing, pay up.

Incorrect.

http://thehill.com/policy/transportation/216157-faa-knee-defenders-dont-violate-rules

[wrench]

Got a copy of the PMA approval? No, repeat, NO alterations to any equipment on certified aircraft is allowed without express approval from the FAA.

Seats are approved parts down to the number of rivets inb the seat pan. Anyone that pushes this will lose, period.