This is is a modification for the seat adapter system to the seat rail. During flight the seat can be unlocked and moved from its certified taxi, take-off and landing position and repositioned in increments of 1 inch as desired by the passenger.  

Modification of a Rockwell Collins, Inc. Data Base Unit (DBU)

Installation of a HOBBS Meter in a Piaggio P-180

FAA STC SA10955SC "Installation of a passenger seating system to replacefive existing Decrane single seats with Model FS1101 single seats" FAA STC SA10955SC

Installation of a Mid-Continent MD302 Standby Attitude Module