 In March 2002 Raisbeck turned over its flight deck security business and customers to Boeing.Returning to business aircraft in 2002–2005, Raisbeck developed the ZR LITE performance enhancement system for the Learjet 35/36 aircraft.The ZR LITE wing and flap system reduces cruise drag by almost 10 percent and increases the FAA-certified takeoff performance, allowing these airplanes to operate safely into and out of many previously unavailable airports.