Configuration, power, and trim. 
Obstructions and other hazards, which should be considered 
A stabilized slip at the appropriate airspeed to the selected touchdown area 
Possible airspeed indication errors 
Proper application of flight controls 
A precise ground track 
Wind shear and wake turbulence avoidance procedures 
Timing, judgment, and control procedure during transition from slip to touchdown 
Directional control after touchdown 
Use of brakes 
Use of checklist