The pilot of the multi-engine, retractable landing gear airplane reported that, during the initial climb, he "noted 105 IAS [indicated airspeed] as normal and reached down to retract the gear." He added that he "glanced down" to make sure he had grabbed the landing gear selector, and when he looked back outside, the airplane was "near the runway." He further added that he "pulled back hard on the yoke," but the propellers struck the runway, the airplane settled on the runway, and skidded into the grass to the left. The pilot reported additional factors related to the accident on the National Transportation Safety Board Form 6120.1 Pilot/Operator Aircraft Accident/Incident Report Safety Recommendation section. He added that the airplane was "not high enough above [the] ground to raise the gear," and he may have "relaxed back-pressure on the yoke after rotation," and when leaning slightly forward for the gear handle, the yoke may had been pushed forward slightly. The airplane sustained substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. The Federal Aviation Administration's Airplane Flying Handbook stated in part: Avoid premature landing gear retraction and do not retract the landing gear until a positive rate of climb is indicated on the flight instruments. If the airplane has not attained a positive rate of climb, there is always the chance it may settle back onto the runway with the gear retracted. This is especially so in cases of premature lift-off. Remember that leaning forward to reach the landing gear selector may result in inadvertent forward pressure on the yoke, which causes the airplane to descend.