On 12 July 1928, it was reported that tests had been conducted by the Accidents Branch of the British Air Ministry using Loewenstein's aircraft. It was stated that at an altitude of one of the Ministry men had thrown himself against the aircraft's entry door, which had opened about . However, he was immediately thrown back into the aircraft when the slipstream violently slammed the door shut. It was concluded that it would have been impossible for someone to accidentally open the door and fall out.
