TM 1-1510-223-10 8-24           Change 3 4.   Altitude alerter — Check. Set as required. 5.   Transponder — As required. 6.   Lights — As required. NOTE Landing lights may be used for takeoff to assist in avoiding bird strikes and to make the aircraft more visible while operating in congested areas. 8-25.   TAKEOFF. To aid in planning the takeoff and to obtain maximum aircraft performance, make full use of the information af- fecting takeoff shown in Chapter 7. The data shown is achieved by setting brakes, setting static takeoff power, and then releasing brakes. Normal takeoff may be modi- fied by starting the takeoff roll prior to attaining takeoff power. This will result in a smoother takeoff, but will invali- date all subsequent field performance data. a.   Normal Takeoff. After the Line Up check is com- plete, smoothly apply power to the setting determined from the appropriate Static Takeoff Power at 1700 RPM chart. Release brakes and maintain directional control with nose-wheel steering and rudder, while maintaining wings level with ailerons. The pilot should retain a light hold  on  the  power  levers  through  the  takeoff  and  be ready to initiate abort procedures if required. The copilot should ensure that the AUTOFEATHER advisory lights are  illuminated  and  monitor  engine  torque  during  the takeoff roll. As the aircraft accelerates, engine torque will increase, but should not exceed engine limits (torque or TGT). As the copilot calls V₁, the pilot will remove his hand from the POWER levers. The copilot will call rotate at V₁, and the pilot will commence a smooth, positive aircraft rotation to an indicated pitch attitude of 7 . When two positive climb indications are observed, the landing gear will be retracted. b.   Crosswind Takeoff. Position the aileron control into the wind at the start of the takeoff roll to maintain a wings level attitude. Under strong crosswind conditions, lead- ing with upwind power at the beginning of the takeoff roll will assist in maintaining directional control. As the nose- wheel comes off the ground, the rudder is used as neces- sary to prevent turning (crabbing) into the wind. Rotate in a positive manner to keep from side-skipping as weight is lifted from the shock struts. To prevent damage to the landing gear, in the event that the aircraft were to settle back onto the runway, remain in slipping flight until well clear of the ground, then crab into the wind to continue a straight flight path. c.   Minimum Run Takeoff. Not applicable. d.   Obstacle Clearance Climb. Follow procedure as outlined for a normal takeoff, as described in Chapter 7. 8-26.   AFTER TAKEOFF. WARNING Immediately after takeoff, the pilot flying the air- craft should avoid adjusting controls located on the aft portion of the extended pedestal to pre- clude inducing spatial disorientation. With both engines operating, the aircraft will rapidly accelerate through V₂. Allow the aircraft to continue ac- celerating to the two engine climb speed, or the cruise climb  schedule,  as  applicable.  Retract  the  flaps  when safely airborne. The procedural steps are as follows: 1.   Gear — UP. 2.   Flaps — UP. 3.   Landing lights — OFF. CAUTION Turn   windshield   anti-ice   on   to   normal   when passing 10,000 feet AGL or prior to entering the freezing level (whichever comes first). Leave on until no longer required during descent for land- ing. High temperature may be selected as re- quired  after  a  minimum  warm-up  period  of  15 minutes. 4.   Windshield anti-ice — As required. 8-27.   CLIMB. Cruise climb is performed at a speed which provides a good rate-of-climb. Propellers should be kept at 1700 RPM. Lower propeller RPMs will reduce the amount of cabin noise, but will degrade the aircraft climb perfor- mance. The following chart may be used as an airspeed schedule. NOTE To increase visibility and safety when operating in high density traffic areas, a climb speed of 160 KIAS to 10,000 feet MSL may be used. SL to 10,000 135 KIAS . . . . . . . . . . . . . . . . . . . . . . . 10,000 to 20,000 FEET 130 KIAS . . . . . . . . . . . . . 20,000 to 25,000 FEET 125 KIAS . . . . . . . . . . . . . 25,000 to 35,000 FEET 120 KIAS . . . . . . . . . . . . .