In addition to normal takeoffs, common errors in the  performance of short field takeoffs are: Takeoffs and climbs from soft fields require the use of  operational techniques for getting the WSC aircraft airborne  as quickly as possible to eliminate the drag caused by tall  grass, soft sand, mud, and snow, and may or may not require  climbing over an obstacle. The technique makes judicious  use of ground effect and requires a feel for the WSC aircraft  and fine control touch. These same techniques are also useful  on a rough field where it is advisable to get the aircraft off  the ground as soon as possible to avoid damaging the landing  gear. Soft surfaces or long, wet grass usually reduce the aircraft’s  acceleration during the takeoff roll so much that adequate  takeoff speed might not be attained if normal takeoff  techniques were employed. It should be emphasized that the WSC aircraft is different  from most aircraft. The high wing creates a high center of  gravity in which the front wheel can bog down in soft fi elds  and flip the WSC aircraft forward. The propeller in the  back pushing down on the front wheel also contributes to  this unique situation. This is a limitation for WSC aircraft  that should not be ignored. WSC aircraft that land in soft  fields or sand may not be able to take off. There is a wide  variation of manufacturer designs with the least preferable  being a skinny, high pressure, highly loaded front tire. WSC  aircraft with large wide tires that can be operated at low  pressure are designed for operation in soft and rough fi elds.  [Figures 7-11  through  7-13]  Correct takeoff procedure for soft fields and rough fi elds is  quite different from that appropriate for short fields with fi rm,  smooth surfaces. To minimize the hazards associated with  takeoffs from soft or rough fields, support of the aircraft’s  weight must be transferred as rapidly as possible from the  wheels to the wings as the takeoff roll proceeds. Establishing  and maintaining a relatively high angle of attack with a nose- high pitch attitude as early as possible achieves this.   Soft/Rough Field Takeoff and Climb • Deciding to do a questionable short fi eld takeoff  when the WSC aircraft can be packed up and driven  away. • Failure to adequately determine the best path with the  longest run and shortest obstacle. • Failure to utilize all available runway/takeoff area. • Failure to wait for the best atmospheric conditions of  density altitude and wind direction. • Failure to reduce all possible weight from the WSC  aircraft.  • Failure to have the WSC aircraft properly trimmed  prior to takeoff. • Premature lift-off resulting in high drag. • Holding the WSC aircraft on the ground  unnecessarily. • Inadequate rotation resulting in excessive speed after  lift-off. • Inability to attain/maintain best V$_{X}$ airspeed. • Fixation on the airspeed indicator during initial  climb. Figure 7-11. Soft field takeoff limitation for WSC aircraft: front wheel digs in and WSC aircraft rolls forward. 7-10