FMS is totally free, as are all my files posted.
The "premium pakage" is for "Rapidshare" multiple file fast download. You can use the free download it just takes longer to get files.
Use the "i" key to resart after crashing.
There is no manual but here is a list of keyboard short cuts:

FMS Keyboard Shortcuts

Aircraft Controls

Flying with keyboard.

Key Airplane (Heli) Action
← Rudder (Tail) Left
→ Rudder (Tail) Right
↑ Elevator (Nick) Push
↓ Elevator (Nick) Pull
V Full Throttle (Pitch Up)
H Zero Throttle (Pitch Down)
G Increase (Pitch) Throttle
B Decrease (Pitch) Throttle
J Aileron (Roll) Left
K Aileron (Roll) Right

Misc Program Controls

Key Action
I Flight initialize (start at runway)
F2 Load Model Dialogbox
W Winch launch
R Hand launch
A Display (speed, height @ upper left corner)
C Chase Plane Mode
+ Zoom in to the plane
- Zoom out
Z Automatic zoom mode
P Pause
U Model Uncrashable
F12 Hide/show menu (handy in full screen mode)

Pilot Position

The numbers are accessible from both the keyboard and numeric keypad area (with num-lock on). If you would like to have a wider angle of view, to include more of the runway and sky (for landing approaches), use the number 2 and 8 keys to move away from the plane in conjunction with the - and + keys (zoom in/out) to find the best perspective.

Key Action
8 ↑Move toward the plane
2 ↓Move away from the plane
6 →Move to the right of the plane
4 ←Move to the left of the plane
9 Move upwards (taller pilot)
3