Vehicle seating supporting a perch position

1. A passenger seat for a vehicle comprising:

a frame for being attached to a floor of said vehicle;

a fixed backshell attached to said frame;

a moveable seat back carried by said backshell; and

a seat bottom attached to said backshell, said seat bottom including a rear edge disposed in a fixed relationship to a primary seating surface thereof, and being selectively moveable between a first, generally flat position for supporting a passenger in an upright seating position with said passenger's hips located at a first height above said floor, and a second, raised position in which said rear edge is disposed for supporting a passenger thereupon in a semi-standing position wherein said passenger's hips are positioned at a second height above said floor substantially greater than said first height; wherein said seat back is carried by said backshell so as to remain at a substantially constant height above said floor when said seat bottom is in said first and second positions.

2. The passenger seat of claim 1 wherein said seat bottom has a front edge and said seat bottom is pivotable upward about said front edge from a lowered position to a raised position.

3. The passenger seat of claim 2 wherein said seat bottom is translatable in a forward-and-aft direction relative to said backshell when said seat bottom is in said raised position.

4. The passenger seat of claim 1 wherein:

said seat bottom is generally horizontal in said first position; and

said seat bottom is generally parallel to said seatback and disposed against said seatback in said second position.