Sino Swearingen has successfully flight tested the new SJ30-2 twinjet aircraft for drenched and flooded runway conditions for both rain and slush. The twin engine aircraft completed the test without

the need for modifications, the company reported.

Testing included a number of varied high speed runs of the aircraft through water troughs with levels of water reaching three quarters of an inch deep. Speed as it enters the water troughs can be as much as 126 mph.

The purpose of the test was to verify the aircraft’s performance on a simulated flooded runway to ensure that no tendency existed for unapproved amounts of water to enter the engine inlets during landing, take off and runway operations.

The FAA recently issued authorisation for the new SJ30-2 executive business jet, that included minimum unstick Vr abuse testing, after it demonstrated in tests that it could take off and fly away from ground effects while maintaining extreme pitch attitudes without any occurrence of a tail strike or stall. Pitch attitudes at takeoff were at extreme positions of up to 15 degrees nose up.

The tests open the way to unrestricted rotation speed Vr that will provide low and easy takeoff speeds V2 and shorter takeoff distances. This assists in the projected easy and very good handling takeoffs with the new SJ30-2 twinjet aircraft.

The company has also announced that the new aircraft serial number 0006, which is slated for customer delivery, has been mated with the wings, tail assembly and landing gear, and has moved on to its next production position at its facility in San Antonio.

Serial number 0007’s fuselage and wings are near completion in West Virginia, and numbers 0008

to 0012 are in various stages of mass production.

According to the manufacturer, certification is on schedule for the second half of this year, with customer deliveries expected to follow shortly afterwards.